Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
311 FZUS51 KBOX 312105 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 405 PM EST Wed Dec 31 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-011000- 405 PM EST Wed Dec 31 2025 .Synopsis for Massachusetts and Rhode Island coastal waters... Low pres tracks across northern New England tonight and will drag a strong cold front across the waters early Thu. Gale Force NW wind gusts follow Thu into Thu night with areas of light to moderate freezing spray developing as well. High pres builds S of the waters Fri. Another cold front moves across the region Fri night, followed by high pres for Sat. Low pres will likely then track well southeast of the Benchmark on Sun followed by another high pres system for Mon. $$ ANZ250-011000- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 405 PM EST Wed Dec 31 2025 ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY MORNING... ...FREEZING SPRAY ADVISORY IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON... .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 11 seconds. A slight chance of snow this evening, then snow after midnight with vsby 1 NM or less. .THU...W winds 20 to 25 kt with gusts up to 30 kt, increasing to 25 to 30 kt with gusts up to 40 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 6 ft in the afternoon. Wave Detail: SW 4 ft at 5 seconds and E 2 ft at 13 seconds, becoming W 6 ft at 6 seconds and E 2 ft at 13 seconds. Snow in the morning. Light freezing spray in the afternoon. Vsby 1 NM or less in the morning. .THU NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft. Wave Detail: NW 8 ft at 6 seconds and E 2 ft at 12 seconds. Light freezing spray. .FRI...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, subsiding to 3 to 5 ft in the afternoon. Wave Detail: W 7 ft at 6 seconds and E 2 ft at 12 seconds, becoming W 5 ft at 5 seconds and E 1 foot at 12 seconds. Light freezing spray. .FRI NIGHT AND SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 5 seconds and E 1 foot at 11 seconds. Light freezing spray. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and E 1 foot at 10 seconds. A chance of snow after midnight. .SUN...NW winds 10 to 15 kt. Seas around 2 ft. A chance of snow. .SUN NIGHT AND MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of snow. 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. $$ ANZ251-011000- Massachusetts Bay and Ipswich Bay- 405 PM EST Wed Dec 31 2025 ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... ...FREEZING SPRAY ADVISORY IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON... .TONIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot at 11 seconds. A slight chance of snow this evening, then snow after midnight with vsby 1 NM or less. .THU...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 4 ft at 4 seconds and E 1 foot at 14 seconds. Scattered snow showers in the morning. Light freezing spray in the afternoon. Vsby 1 NM or less in the morning. .THU NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and E 1 foot at 13 seconds. Light freezing spray. .FRI...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 4 ft at 4 seconds and E 1 foot at 12 seconds. Light freezing spray. .FRI NIGHT AND SAT...W winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and E 1 foot at 11 seconds. Light freezing spray. .SAT NIGHT...W winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and E 1 foot at 11 seconds. A chance of snow after midnight. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. A chance of snow. .SUN NIGHT THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 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. $$ ANZ231-011000- Cape Cod Bay- 405 PM EST Wed Dec 31 2025 ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .TONIGHT...SW winds 10 to 15 kt. Gusts up to 25 kt after midnight. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot at 11 seconds. A chance of snow this evening, then snow after midnight with vsby 1 NM or less. .THU...W winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and E 1 foot at 13 seconds. Snow in the morning, then scattered snow showers in the afternoon. Light freezing spray in the afternoon. Vsby 1 NM or less in the morning. .THU NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 6 seconds and E 1 foot at 13 seconds. Light freezing spray. .FRI...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: W 4 ft at 5 seconds and NE 1 foot at 11 seconds. Light freezing spray. .FRI NIGHT AND SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 5 seconds and E 1 foot at 11 seconds. Light freezing spray. .SAT NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 4 seconds and E 1 foot at 10 seconds. .SUN THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-011000- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 405 PM EST Wed Dec 31 2025 ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY MORNING... .TONIGHT...SW 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: SW 4 ft at 5 seconds and E 2 ft at 14 seconds. A chance of snow this evening, then snow and rain after midnight with vsby 1 NM or less. .THU...W winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 6 seconds and E 2 ft at 14 seconds. Snow likely with rain in the morning, then scattered snow showers in the afternoon. Light freezing spray in the afternoon. Vsby 1 NM or less in the morning. .THU NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft. Wave Detail: NW 8 ft at 7 seconds and E 2 ft at 12 seconds. Light freezing spray. .FRI...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 7 seconds and E 2 ft at 12 seconds. Light freezing spray. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 6 seconds and E 2 ft at 11 seconds. Light freezing spray after midnight. .SAT AND SAT NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 4 ft at 5 seconds and E 1 foot at 11 seconds. .SUN...NW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of snow. .SUN NIGHT THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 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. $$ ANZ255-011000- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 405 PM EST Wed Dec 31 2025 ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY MORNING... .TONIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and E 1 foot at 11 seconds. A chance of snow. Rain after midnight with vsby 1 NM or less. .THU...W winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to 9 ft. Wave Detail: SW 9 ft at 8 seconds and E 2 ft at 14 seconds. Rain with snow likely in the morning, then scattered snow showers in the afternoon. Light freezing spray in the afternoon. Vsby 1 NM or less in the morning. .THU NIGHT...NW winds 30 to 35 kt, becoming W 25 to 30 kt after midnight. Seas 7 to 10 ft. Wave Detail: W 10 ft at 8 seconds and E 2 ft at 13 seconds. Light freezing spray. .FRI...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: W 8 ft at 7 seconds and E 2 ft at 12 seconds. Light freezing spray in the morning. .FRI NIGHT...W winds 20 to 25 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 7 seconds and E 1 foot at 12 seconds. .SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 5 ft at 6 seconds and E 1 foot at 11 seconds. .SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .SUN...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN NIGHT AND MON...NW winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas 2 to 3 ft. Light freezing spray. .MON NIGHT...W winds around 10 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-011000- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 405 PM EST Wed Dec 31 2025 ...GALE WARNING IN EFFECT FROM 4 AM EST THURSDAY THROUGH FRIDAY MORNING... .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, increasing to 25 to 30 kt with gusts up to 35 kt after midnight. Seas 4 to 5 ft, building to 5 to 7 ft after midnight. Wave Detail: SW 5 ft at 6 seconds and E 1 foot at 12 seconds, becoming SW 7 ft at 7 seconds and E 1 foot at 13 seconds. A chance of snow this evening, then rain and snow after midnight with vsby 1 NM or less. .THU...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft. Wave Detail: W 8 ft at 8 seconds and E 1 foot at 15 seconds. Scattered rain and snow showers in the morning. Light freezing spray in the afternoon. .THU NIGHT...NW winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft. Wave Detail: NW 8 ft at 7 seconds and E 1 foot at 14 seconds. Light freezing spray. .FRI...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 6 seconds and E 1 foot at 13 seconds. Light freezing spray in the morning. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 6 seconds and E 1 foot at 12 seconds. .SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 6 seconds and E 1 foot at 11 seconds. .SAT NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. .SUN THROUGH MON...NW winds 15 to 20 kt. Seas 2 to 3 ft. .MON NIGHT...W winds 10 to 15 kt. 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. $$ ANZ232-011000- Nantucket Sound- 405 PM EST Wed Dec 31 2025 ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... ...FREEZING SPRAY ADVISORY IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON... .TONIGHT...SW winds 15 to 20 kt. Gusts up to 20 kt, increasing to 30 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 foot at 11 seconds. A chance of snow this evening, then snow and rain after midnight with vsby 1 NM or less. .THU...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 5 ft at 5 seconds and E 1 foot at 14 seconds. Snow likely in the morning, then scattered snow showers in the afternoon. Light freezing spray in the afternoon. Vsby 1 NM or less in the morning. .THU NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 5 seconds and E 1 foot at 13 seconds. Light freezing spray. .FRI...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 4 ft at 5 seconds and E 1 foot at 12 seconds. Light freezing spray. .FRI NIGHT...W winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and E 1 foot at 12 seconds. Light freezing spray after midnight. .SAT AND SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and E 1 foot at 11 seconds. .SUN THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-011000- Vineyard Sound- 405 PM EST Wed Dec 31 2025 ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... ...FREEZING SPRAY ADVISORY IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON... .TONIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Wave Detail: SW 3 ft at 6 seconds and E 1 foot at 11 seconds, becoming SW 5 ft at 6 seconds and E 1 foot at 13 seconds. A chance of snow this evening, then snow and rain after midnight with vsby 1 NM or less. .THU...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and E 1 foot at 14 seconds. Scattered snow showers in the morning. Light freezing spray in the afternoon. .THU NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 5 ft at 7 seconds and E 1 foot at 14 seconds. Light freezing spray. .FRI...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 6 seconds and E 1 foot at 13 seconds. Light freezing spray. .FRI NIGHT AND SAT...W winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 6 seconds and E 1 foot at 12 seconds. Light freezing spray through the day. .SAT NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 2 ft at 5 seconds and E 1 foot at 10 seconds. .SUN THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 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. $$ ANZ234-011000- Buzzards Bay- 405 PM EST Wed Dec 31 2025 ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... ...FREEZING SPRAY ADVISORY IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON... .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Wave Detail: SW 3 ft at 6 seconds and E 1 foot at 11 seconds, becoming SW 4 ft at 6 seconds and E 1 foot at 13 seconds. A chance of snow this evening, then snow and rain after midnight with vsby 1 NM or less. .THU...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and SE 1 foot at 14 seconds. Scattered snow showers in the morning. Light freezing spray in the afternoon. .THU NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 7 seconds and E 1 foot at 14 seconds. Light freezing spray. .FRI...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 6 seconds and E 1 foot at 13 seconds. Light freezing spray. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 6 seconds and E 1 foot at 12 seconds. Light freezing spray. .SAT AND SAT NIGHT...NW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: W 2 ft at 6 seconds and E 1 foot at 11 seconds. .SUN THROUGH MON NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-011000- Rhode Island Sound- 405 PM EST Wed Dec 31 2025 ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .TONIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and E 1 foot at 12 seconds. A chance of snow this evening, then snow and rain after midnight with vsby 1 NM or less. .THU...W winds 20 to 25 kt, becoming NW 25 to 30 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: W 6 ft at 7 seconds and SE 1 foot at 15 seconds. Snow in the morning. Light freezing spray in the afternoon. .THU NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 4 to 6 ft. Wave Detail: W 6 ft at 7 seconds and SE 1 foot at 15 seconds. Light freezing spray. .FRI...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 5 ft at 6 seconds and E 1 foot at 13 seconds. Light freezing spray in the morning. .FRI NIGHT AND SAT...W winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: W 4 ft at 7 seconds and E 1 foot at 12 seconds. Light freezing spray through the day. .SAT NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 2 ft at 5 seconds and E 1 foot at 11 seconds. .SUN THROUGH MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 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. $$ ANZ237-011000- Block Island Sound- 405 PM EST Wed Dec 31 2025 ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .TONIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds and SE 1 foot at 12 seconds. A chance of snow this evening, then snow and rain after midnight with vsby 1 NM or less. .THU...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 6 seconds and SE 1 foot at 14 seconds. Snow likely in the morning. Light freezing spray in the afternoon. .THU NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 6 seconds and SE 1 foot at 14 seconds. Light freezing spray. .FRI...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 5 seconds and E 1 foot at 13 seconds. Light freezing spray. .FRI NIGHT...W winds around 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 5 seconds and E 1 foot at 12 seconds. Light freezing spray after midnight. .SAT AND SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 5 seconds and E 1 foot at 12 seconds. .SUN THROUGH MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-011000- Boston Harbor- 405 PM EST Wed Dec 31 2025 ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .TONIGHT...SW winds 10 to 15 kt. Gusts up to 25 kt after midnight. Waves around 2 ft. A chance of snow this evening, then snow after midnight with vsby 1 NM or less. .THU...W winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Waves around 2 ft. Scattered snow showers in the morning. .THU NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Waves around 2 ft. .FRI...W winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. .FRI NIGHT AND SAT...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .SAT NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. A chance of snow after midnight. .SUN THROUGH MON...NW winds 10 to 15 kt. Waves around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of snow. 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. $$ ANZ236-011000- Narragansett Bay- 405 PM EST Wed Dec 31 2025 ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt after midnight. Waves 2 to 3 ft. A chance of snow this evening, then snow after midnight with vsby 1 NM or less. .THU...W winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Waves around 3 ft. Scattered snow showers in the morning. Light freezing spray in the afternoon. .THU NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Waves around 3 ft. Light freezing spray. .FRI...W winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .FRI NIGHT AND SAT...W winds 10 to 15 kt. Waves 2 to 3 ft. .SAT NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Waves around 2 ft in the evening, then 1 foot or less. A chance of snow after midnight. .SUN THROUGH MON NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston