Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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013 FZUS51 KBOX 262005 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 PM EDT Sun Jul 26 2026 Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM ANZ200-270900- 404 PM EDT Sun Jul 26 2026 .Synopsis for Massachusetts and Rhode Island coastal waters... Calm seas continue into Mon with high pres over the waters. Increasing risk for rough seas towards the middle of next week as low pressure approaches from the W. This will also bring periodic chances for showers and perhaps thunderstorms Tue through mid-week. Rough seas should start to diminish heading into the back half of the week. $$ ANZ250-270900- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 404 PM EDT Sun Jul 26 2026 .TONIGHT...NE winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and N 1 foot at 3 seconds. .MON...NE winds around 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and S 1 foot at 3 seconds. .TUE...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: E 3 ft at 8 seconds and S 2 ft at 3 seconds. .TUE NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 6 seconds. Patchy fog. A chance of showers after midnight with vsby 1 to 3 NM. .WED...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 5 seconds and SE 2 ft at 9 seconds. Patchy fog. Showers. Vsby 1 to 3 NM. .WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers with a chance of tstms. Patchy fog in the evening. Vsby 1 to 3 NM. .THU...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. .THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers. .FRI...N winds 5 to 10 kt. Seas 3 to 5 ft. .FRI NIGHT...SW winds around 5 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-270900- Massachusetts Bay and Ipswich Bay- 404 PM EDT Sun Jul 26 2026 .TONIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and N 1 foot at 3 seconds. .MON...N winds around 5 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and S 1 foot at 2 seconds. .TUE...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 3 seconds and E 2 ft at 7 seconds. Patchy fog in the afternoon. .TUE NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and SE 2 ft at 5 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM after midnight. .WED AND WED NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 5 seconds and SE 2 ft at 5 seconds. Showers. A chance of tstms. Patchy fog. Vsby 1 to 3 NM. .THU...NE winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. Showers likely with a chance of tstms. .THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers and tstms. .FRI AND FRI NIGHT...NE winds 5 to 10 kt, becoming SW. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ231-270900- Cape Cod Bay- 404 PM EDT Sun Jul 26 2026 .TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and N 1 foot at 3 seconds. .MON...N winds around 5 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 8 seconds and N 1 foot at 4 seconds. .MON NIGHT...S winds around 5 kt. Seas around 2 ft. Wave Detail: E 2 ft at 5 seconds and E 1 foot at 11 seconds. .TUE...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 8 seconds and S 1 foot at 2 seconds. .TUE NIGHT...SE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 1 foot at 2 seconds and E 1 foot at 5 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM after midnight. .WED AND WED NIGHT...E winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 4 seconds and E 2 ft at 3 seconds. Showers. A chance of tstms through the night. Patchy fog. Vsby 1 to 3 NM. .THU...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .FRI AND FRI NIGHT...N winds 5 to 10 kt, becoming SW. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-270900- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 404 PM EDT Sun Jul 26 2026 .TONIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and NW 1 foot at 5 seconds. Patchy fog this evening with vsby 1 to 3 NM. .MON...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and NW 1 foot at 4 seconds. .MON NIGHT...S winds around 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 3 ft at 8 seconds. .TUE...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and E 2 ft at 7 seconds. .TUE NIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and S 2 ft at 4 seconds. Patchy fog. A chance of showers after midnight with vsby 1 to 3 NM. .WED AND WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 6 seconds and SE 2 ft at 11 seconds. Showers likely. Patchy fog. Vsby 1 to 3 NM. .THU AND THU NIGHT...NE winds 10 to 15 kt, becoming N. Gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers. .FRI...N winds 5 to 10 kt. Seas 4 to 6 ft. .FRI NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ255-270900- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- 404 PM EDT Sun Jul 26 2026 .TONIGHT...NE winds 10 to 15 kt, becoming N 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: N 3 ft at 5 seconds and SE 2 ft at 7 seconds. .MON...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 7 seconds and N 1 foot at 3 seconds. .MON NIGHT...S winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. .TUE...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and S 2 ft at 3 seconds. .TUE NIGHT...SE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 4 seconds and SE 2 ft at 8 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM after midnight. .WED AND WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 6 seconds and NW 3 ft at 7 seconds. Showers. A chance of showers after midnight. Patchy fog. Vsby 1 to 3 NM. .THU...NE winds 15 to 20 kt. Seas 4 to 5 ft. A chance of showers. .THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .FRI AND FRI NIGHT...NW winds 10 to 15 kt, becoming W 5 to 10 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-270900- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 404 PM EDT Sun Jul 26 2026 .TONIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 7 seconds and N 1 foot at 4 seconds. .MON...N winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and N 1 foot at 4 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 7 seconds and SE 2 ft at 8 seconds. .TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at 4 seconds. Patchy fog. .TUE NIGHT AND WED...E winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 6 seconds. Patchy fog. A chance of showers in the evening. Showers likely. Vsby 1 to 3 NM. .WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: SE 5 ft at 8 seconds and SE 1 foot at 10 seconds. Showers likely. Patchy fog in the evening with vsby 1 to 3 NM. .THU AND THU NIGHT...NE winds 15 to 20 kt, becoming N 10 to 15 kt. Gusts up to 25 kt. Seas 4 to 5 ft. A chance of showers. .FRI AND FRI NIGHT...NW winds 5 to 10 kt, becoming W. Seas 3 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ232-270900- Nantucket Sound- 404 PM EDT Sun Jul 26 2026 .TONIGHT...NE winds 10 to 15 kt, becoming N 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 5 seconds and S 1 foot at 7 seconds. .MON...N winds 5 to 10 kt, becoming NE in the afternoon. Seas around 2 ft. Wave Detail: NW 1 foot at 6 seconds and NE 1 foot at 6 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 foot at 3 seconds and SE 1 foot at 7 seconds. .TUE...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 10 seconds. .TUE NIGHT...SE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and SE 1 foot at 8 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM after midnight. .WED AND WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 5 seconds and S 1 foot at 5 seconds. Showers. Patchy fog. Vsby 1 to 3 NM. .THU AND THU NIGHT...NE winds around 15 kt, becoming N. Gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .FRI AND FRI NIGHT...N winds 5 to 10 kt, becoming W. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-270900- Vineyard Sound- 404 PM EDT Sun Jul 26 2026 .TONIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 3 seconds and NW 1 foot at 6 seconds. .MON...N winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: NE 1 foot at 3 seconds and NW 1 foot at 6 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. .TUE...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 7 seconds. .TUE NIGHT THROUGH WED NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 5 seconds and S 4 ft at 8 seconds. A chance of showers in the evening. Showers. Patchy fog in the evening. Patchy fog. Vsby 1 to 3 NM. .THU AND THU NIGHT...NE winds 15 to 20 kt, becoming N 10 to 15 kt. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 3 seconds and SW 3 ft at 9 seconds. A chance of showers. .FRI AND FRI NIGHT...NW winds around 10 kt, becoming W. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ234-270900- Buzzards Bay- 404 PM EDT Sun Jul 26 2026 .TONIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 3 seconds and S 1 foot at 7 seconds. .MON...N winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. Wave Detail: NE 1 foot at 2 seconds and NW 1 foot at 6 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft after midnight. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 6 seconds, becoming SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. .TUE...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 9 seconds. .TUE NIGHT THROUGH WED NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and S 2 ft at 3 seconds. A chance of showers in the evening. Showers. Patchy fog in the evening. Patchy fog. Vsby 1 to 3 NM. .THU...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: NE 2 ft at 3 seconds and NW 2 ft at 8 seconds. Showers likely with a chance of tstms. .THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers and tstms. .FRI AND FRI NIGHT...NW winds 5 to 10 kt, becoming W. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-270900- Rhode Island Sound- 404 PM EDT Sun Jul 26 2026 .TONIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and N 2 ft at 5 seconds. .MON...N winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and N 1 foot at 4 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 2 seconds. .TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and S 2 ft at 3 seconds. Patchy fog in the afternoon. .TUE NIGHT AND WED...E winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 6 seconds. Patchy fog. A chance of showers in the evening. Showers. Vsby 1 to 3 NM. .WED NIGHT...E winds 20 to 25 kt, becoming NE 15 to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds and SE 1 foot at 10 seconds. Showers likely. Patchy fog in the evening with vsby 1 to 3 NM. .THU...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers and tstms. .THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers and tstms. .FRI AND FRI NIGHT...NW winds around 10 kt, becoming W. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ237-270900- Block Island Sound- 404 PM EDT Sun Jul 26 2026 .TONIGHT...NE winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and N 1 foot at 4 seconds. .MON...NE winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and N 1 foot at 4 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 2 seconds. .TUE...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 7 seconds. Patchy fog. A chance of showers in the afternoon. .TUE NIGHT...SE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 6 seconds. Patchy fog. A chance of tstms. A chance of showers in the evening, then showers after midnight with vsby 1 to 3 NM. .WED...E winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 6 seconds and SE 1 foot at 10 seconds. Patchy fog. Showers. Vsby 1 to 3 NM. .WED NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. A chance of tstms in the evening. Patchy fog in the evening with vsby 1 to 3 NM. .THU AND THU NIGHT...N winds 15 to 20 kt with gusts up to 25 kt, diminishing to around 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. .FRI AND FRI NIGHT...NW winds 5 to 10 kt, becoming SW. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-270900- Boston Harbor- 404 PM EDT Sun Jul 26 2026 .TONIGHT...NE winds 5 to 10 kt, becoming N after midnight. Waves 1 foot or less. .MON...N winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less. .MON NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. .TUE...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon. A chance of showers. Patchy fog in the morning. .TUE NIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt after midnight. Waves around 2 ft. Patchy fog. A chance of showers in the evening. Showers likely after midnight. .WED AND WED NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. Showers. A chance of tstms. Patchy fog. Vsby 1 to 3 NM. .THU...NE winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. Showers likely with a chance of tstms. .THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers and tstms. .FRI AND FRI NIGHT...NE winds 5 to 10 kt, becoming SW. Waves 1 foot or less. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ236-270900- Narragansett Bay- 404 PM EDT Sun Jul 26 2026 .TONIGHT...NE winds 5 to 10 kt, becoming N after midnight. Waves around 2 ft. .MON...N winds around 5 kt, becoming S in the afternoon. Waves around 2 ft. .MON NIGHT...S winds 5 to 10 kt. Waves around 2 ft. .TUE...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves around 2 ft. Patchy fog. A chance of showers in the afternoon. .TUE NIGHT AND WED...E winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 4 ft. Patchy fog. A chance of showers in the evening, then showers. A chance of tstms through the day. Vsby 1 to 3 NM. .WED NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Showers likely. Patchy fog in the evening with vsby 1 to 3 NM. .THU...N winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Showers likely with a chance of tstms. .THU NIGHT...N winds 10 to 15 kt. Waves 2 to 3 ft. A chance of showers and tstms. .FRI AND FRI NIGHT...NW winds 5 to 10 kt, becoming W. Waves around 2 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ280-270900- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 404 PM EDT Sun Jul 26 2026 .TONIGHT...NE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: E 3 ft at 7 seconds and N 1 foot at 3 seconds. .MON...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 8 seconds. .MON NIGHT...S winds around 5 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 8 seconds and S 1 foot at 2 seconds. .TUE...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 8 seconds and SE 2 ft at 3 seconds. .TUE NIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and S 2 ft at 3 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .WED AND WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft at 5 seconds and S 3 ft at 8 seconds. A chance of showers in the morning. Showers likely. Patchy fog. Vsby 1 to 3 NM. .THU...NE winds around 15 kt with gusts up to 25 kt. Seas 5 to 7 ft. Showers likely. .THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to 7 ft. A chance of showers. .FRI...N winds 5 to 10 kt. Seas 5 to 7 ft. .FRI NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ281-270900- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 404 PM EDT Sun Jul 26 2026 .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and NW 1 foot at 6 seconds. Patchy fog. A slight chance of showers this evening. Vsby 1 NM or less. .MON...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and NW 1 foot at 4 seconds. Patchy fog in the morning with vsby 1 NM or less. .MON NIGHT...SW winds around 5 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 7 seconds and SE 3 ft at 8 seconds. .TUE...SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 7 seconds and E 2 ft at 10 seconds. .TUE NIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and S 2 ft at 4 seconds. Patchy fog. A chance of showers after midnight with vsby 1 to 3 NM. .WED...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft at 5 seconds and SE 3 ft at 9 seconds. Patchy fog. A chance of showers in the morning. Showers likely in the afternoon. Vsby 1 to 3 NM. .WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely in the evening. A chance of showers after midnight. Patchy fog in the evening with vsby 1 to 3 NM. .THU...NE winds around 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. A chance of showers. .THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to 8 ft. A chance of showers. .FRI...NW winds 10 to 15 kt. Seas 5 to 8 ft. .FRI NIGHT...W winds 5 to 10 kt. Seas 4 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ282-270900- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- 404 PM EDT Sun Jul 26 2026 .TONIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 7 seconds and NW 2 ft at 5 seconds. Patchy fog. Vsby 1 NM or less. .MON...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and N 1 foot at 3 seconds. .MON NIGHT...SW winds around 5 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and SW 1 foot at 3 seconds. .TUE...SE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: E 3 ft at 7 seconds and E 2 ft at 10 seconds. .TUE NIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 6 seconds and E 1 foot at 10 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM after midnight. .WED...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft at 5 seconds and SE 4 ft at 9 seconds. Patchy fog. Showers. Vsby 1 to 3 NM. .WED NIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 4 to 6 ft. A chance of showers. Patchy fog in the evening with vsby 1 to 3 NM. .THU...N winds around 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. A chance of showers. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. .FRI AND FRI NIGHT...NW winds 5 to 10 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ283-270900- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 404 PM EDT Sun Jul 26 2026 .TONIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 7 seconds and N 1 foot at 4 seconds. .MON...N winds 5 to 10 kt. Seas around 3 ft. Wave Detail: E 3 ft at 7 seconds and N 1 foot at 3 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 7 seconds and NW 1 foot at 3 seconds. .TUE...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and S 2 ft at 4 seconds. .TUE NIGHT...SE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SE 3 ft at 6 seconds and SE 2 ft at 9 seconds. Patchy fog. A chance of showers in the evening. Showers likely after midnight with vsby 1 to 3 NM. .WED...SE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: E 4 ft at 6 seconds and SE 4 ft at 9 seconds. Patchy fog. Showers likely. Vsby 1 to 3 NM. .WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. A chance of showers. Patchy fog in the evening with vsby 1 to 3 NM. .THU...N winds around 15 kt with gusts up to 25 kt. Seas 5 to 8 ft. A chance of showers. .THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. .FRI AND FRI NIGHT...NW winds around 10 kt, becoming W. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston