Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
931 FZUS51 KOKX 010631 CWFOKX Coastal Waters Forecast National Weather Service New York NY 231 AM EDT Tue Sep 1 2026 Montauk Point NY to Sandy Hook NJ out 60 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-011930- 231 AM EDT Tue Sep 1 2026 .Synopsis for the Long Island and Connecticut coastal waters... A warm front will lift north of the waters this morning before dropping back to the southwest as a backdoor cold front late this afternoon into this evening. The boundary will then remain to the southwest of the area on Wednesday before returning to the north as a warm front late Wednesday night into Thursday. A cold frontal passage will follow Thursday night with high pressure gradually building in over the holiday weekend. $$ ANZ350-011930- Moriches Inlet NY to Montauk Point NY out 20 NM- 231 AM EDT Tue Sep 1 2026 .TODAY...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 ft at 3 seconds and SW 1 ft at 4 seconds. Showers this morning, then showers and slight chance of tstms this afternoon. .TONIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: SE 3 ft at 7 seconds and SW 1 ft at 3 seconds. Showers and chance of tstms in the evening, then chance of showers and slight chance of tstms after midnight. .WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft at 6 seconds and SE 2 ft at 11 seconds. .WED NIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft at 6 seconds and SE 2 ft at 10 seconds. Chance of showers after midnight. .THU...SW winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 6 seconds and SW 2 ft at 5 seconds. Slight chance of tstms in the morning. Chance of showers. .THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 6 seconds. Chance of showers. .FRI...NW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. .SAT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas may be higher in and near tstms. $$ ANZ353-011930- Fire Island Inlet NY to Moriches Inlet NY out 20 NM- 231 AM EDT Tue Sep 1 2026 .TODAY...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 ft at 3 seconds. Showers early this morning, then chance of showers late this morning and early afternoon. Showers and chance of tstms late. .TONIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave Detail: E 2 ft at 3 seconds and SE 2 ft at 9 seconds. Showers and chance of tstms in the evening, then chance of showers and slight chance of tstms after midnight. .WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft at 6 seconds and SE 2 ft at 12 seconds. Slight chance of showers in the afternoon. .WED NIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 6 seconds and SE 2 ft at 10 seconds. Chance of showers and slight chance of tstms after midnight. .THU...SW winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 6 seconds and SE 2 ft at 9 seconds. Slight chance of tstms in the morning. Chance of showers. .THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 6 seconds. Chance of showers. .FRI...NW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. .SAT...N winds 10 to 15 kt. Seas 2 to 3 ft. .SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Winds and seas may be higher in and near tstms. $$ ANZ355-011930- Sandy Hook NJ to Fire Island Inlet NY out 20 NM- 231 AM EDT Tue Sep 1 2026 .TODAY...SW winds 5 to 10 kt, becoming S late. Seas around 2 ft. Wave Detail: S 1 ft at 3 seconds and SE 1 ft at 8 seconds. Chance of showers. Slight chance of tstms early this afternoon. Chance of tstms late. .TONIGHT...E winds 5 to 10 kt, becoming NE 10 to 15 kt after midnight. Seas around 2 ft. Wave Detail: E 1 ft at 2 seconds and S 1 ft at 3 seconds. Showers likely with chance of tstms in the evening, then chance of showers and slight chance of tstms after midnight. .WED...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 5 seconds and SE 2 ft at 11 seconds. Chance of showers in the afternoon. .WED NIGHT...E winds around 10 kt, becoming SE after midnight. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 6 seconds and SE 2 ft at 11 seconds. Chance of showers and slight chance of tstms after midnight. .THU...SW winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 6 seconds and SE 2 ft at 9 seconds. Slight chance of tstms. Slight chance of showers in the morning, then chance of showers in the afternoon. .THU NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds and SW 1 ft at 4 seconds. Chance of tstms in the evening. Chance of showers. .FRI...NW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. .SAT...N winds 10 to 15 kt. Seas 2 to 3 ft. .SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Winds and seas may be higher in and near tstms. $$ ANZ332-011930- Long Island Sound East of the Mouth of the Connecticut River- 231 AM EDT Tue Sep 1 2026 .TODAY...SE winds 5 to 10 kt, becoming E late. Seas 1 ft or less, then around 2 ft this afternoon. Wave Detail: SE 1 ft at 2 seconds, becoming SE 1 ft at 3 seconds. Showers. Slight chance of tstms early this afternoon. Chance of tstms late. .TONIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 6 seconds. Showers and chance of tstms in the evening, then chance of showers after midnight. .WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 5 seconds. .WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 5 seconds and E 1 ft at 10 seconds. Slight chance of showers in the evening, then showers likely after midnight. .THU...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds and SW 1 ft at 2 seconds. Showers likely. .THU NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: SW 1 ft at 2 seconds and SE 1 ft at 6 seconds. Chance of showers. .FRI...NW winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .SAT...N winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...NE winds 5 to 10 kt. Seas 1 ft or less. Winds and seas may be higher in and near tstms. $$ ANZ331-011930- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 231 AM EDT Tue Sep 1 2026 .TODAY...SE winds around 5 kt. Seas 1 ft or less. Showers likely this morning, then showers and chance of tstms this afternoon. .TONIGHT...E winds 10 to 15 kt. Seas 1 ft or less, then around 2 ft after midnight. Wave Detail: E 1 ft at 2 seconds, becoming E 2 ft at 3 seconds. Showers and chance of tstms in the evening, then slight chance of showers after midnight. .WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds. .WED NIGHT...SE winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: E 1 ft at 3 seconds. Slight chance of showers in the evening, then showers likely with slight chance of tstms after midnight. .THU...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds and E 1 ft at 3 seconds. Showers likely in the morning, then chance of showers and slight chance of tstms in the afternoon. .THU NIGHT...W winds around 5 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. Chance of showers. .FRI...NW winds 5 to 10 kt. Seas 1 ft or less. .FRI NIGHT...NW winds 5 to 10 kt. Seas 1 ft or less. .SAT...N winds 5 to 10 kt. Seas 1 ft or less. .SAT NIGHT...NE winds 5 to 10 kt. Seas 1 ft or less. Winds and seas may be higher in and near tstms. $$ ANZ335-011930- Long Island Sound West of New Haven CT/Port Jefferson NY- 231 AM EDT Tue Sep 1 2026 .TODAY...S winds around 5 kt, becoming SE late. Seas 1 ft or less. Chance of showers until late afternoon. Chance of tstms this afternoon. Showers late. .TONIGHT...E winds 5 to 10 kt, becoming NE 10 to 15 kt after midnight. Seas 1 ft or less, then 1 to 2 ft after midnight. Wave Detail: E 1 ft at 2 seconds, becoming E 2 ft at 3 seconds. Showers and chance of tstms in the evening, then chance of showers after midnight. .WED...E winds 10 to 15 kt. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds. Slight chance of showers in the afternoon. .WED NIGHT...SE winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: E 1 ft at 3 seconds. Slight chance of showers in the evening, then showers likely with slight chance of tstms after midnight. .THU...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: E 1 ft at 3 seconds. Showers likely. Slight chance of tstms in the afternoon. .THU NIGHT...W winds 5 to 10 kt. Seas 1 ft or less. Showers likely with chance of tstms in the evening, then chance of showers after midnight. .FRI...NW winds 5 to 10 kt. Seas 1 ft or less. .FRI NIGHT...NW winds 5 to 10 kt. Seas 1 ft or less. .SAT...N winds 5 to 10 kt. Seas 1 ft or less. .SAT NIGHT...NE winds 5 to 10 kt. Seas 1 ft or less. Winds and seas may be higher in and near tstms. $$ ANZ338-011930- New York Harbor- 231 AM EDT Tue Sep 1 2026 .TODAY...SW winds around 5 kt, becoming SE around 5 kt late. Waves 1 ft or less. Chance of showers this morning, then showers and chance of tstms this afternoon. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft or less. Showers and chance of tstms in the evening, then chance of showers and slight chance of tstms after midnight. .WED...E winds 5 to 10 kt. Waves 1 ft or less, then around 2 ft in the afternoon. Wave Detail: E 1 ft at 2 seconds, becoming E 1 ft at 3 seconds. Chance of showers in the afternoon. .WED NIGHT...E winds 5 to 10 kt, becoming SE after midnight. Waves 1 to 2 ft. Wave Detail: E 1 ft at 3 seconds. Slight chance of tstms. Chance of showers in the evening, then showers likely after midnight. .THU...SW winds 5 to 10 kt. Waves 1 to 2 ft. Slight chance of tstms. Showers likely, mainly in the morning. .THU NIGHT...W winds 5 to 10 kt. Waves 1 to 2 ft. Chance of tstms in the evening. Chance of showers. .FRI...NW winds 5 to 10 kt. Waves 1 to 2 ft. .FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. .SAT...N winds 5 to 10 kt. Waves 1 ft or less. .SAT NIGHT...NE winds 5 to 10 kt. Waves 1 ft or less. Winds and waves may be higher in and near tstms. $$ ANZ340-011930- Peconic and Gardiners Bays- 231 AM EDT Tue Sep 1 2026 .TODAY...SE winds around 5 kt. Waves 1 ft or less. Showers. Slight chance of tstms early this afternoon, then chance of tstms late. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft or less. Showers and chance of tstms in the evening, then chance of showers after midnight. .WED...E winds around 10 kt. Waves 1 ft or less. .WED NIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. Slight chance of showers in the evening, then showers likely after midnight. .THU...SW winds 5 to 10 kt. Waves 1 ft or less. Showers likely with slight chance of tstms in the morning, then chance of showers in the afternoon. .THU NIGHT...W winds around 5 kt. Waves 1 ft or less. Chance of showers. .FRI...NW winds 5 to 10 kt. Waves 1 ft or less. .FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. .SAT...N winds 5 to 10 kt. Waves 1 ft or less. .SAT NIGHT...NE winds 5 to 10 kt. Waves 1 ft or less. Winds and waves may be higher in and near tstms. $$ ANZ345-011930- South Shore Bays from Jones Inlet through Shinnecock Bay- 231 AM EDT Tue Sep 1 2026 .TODAY...S winds 5 to 10 kt. Waves 1 ft or less. Showers. Chance of tstms this afternoon. .TONIGHT...E winds 5 to 10 kt, becoming NE 10 to 15 kt after midnight. Waves 1 ft or less. Showers and chance of tstms in the evening, then chance of showers after midnight. .WED...E winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. Slight chance of showers in the afternoon. .WED NIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. Showers likely with slight chance of tstms after midnight. .THU...SW winds 5 to 10 kt. Waves 1 ft or less. Slight chance of tstms in the morning. Chance of showers. .THU NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Waves 1 ft or less. Chance of showers. .FRI...NW winds 5 to 10 kt. Waves 1 ft or less. .FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. .SAT...N winds 5 to 10 kt. Waves 1 ft or less. .SAT NIGHT...NE winds 5 to 10 kt. Waves 1 ft or less. Winds and waves may be higher in and near tstms. $$ ANZ380-011930- Waters from Moriches Inlet NY to Montauk Point NY from 20 to 60 nm- 231 AM EDT Tue Sep 1 2026 .TODAY...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 ft at 2 seconds and E 1 ft at 3 seconds. Showers and slight chance of tstms this morning, then chance of showers early this afternoon. Showers likely with slight chance of tstms late. .TONIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft at 6 seconds and SE 2 ft at 12 seconds. Showers likely with chance of tstms in the evening, then chance of showers and slight chance of tstms after midnight. .WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: E 4 ft at 6 seconds and SE 2 ft at 11 seconds. .WED NIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft at 6 seconds and SE 2 ft at 10 seconds. Chance of showers after midnight. .THU...S winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: SE 3 ft at 6 seconds and SW 2 ft at 5 seconds. Slight chance of tstms in the morning. Chance of showers. .THU NIGHT...W winds 10 to 15 kt. Seas around 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 6 seconds. Chance of showers. .FRI...NW winds around 10 kt. Seas around 3 ft. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .SAT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Winds and seas may be higher in and near tstms. $$ ANZ383-011930- Waters from Fire Island Inlet NY to Moriches Inlet NY from 20 to 60 nm- 231 AM EDT Tue Sep 1 2026 .TODAY...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 ft at 2 seconds and SE 1 ft at 8 seconds. Showers likely with slight chance of tstms. .TONIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 9 seconds and SW 1 ft at 3 seconds. Showers likely with chance of tstms in the evening, then chance of showers and slight chance of tstms after midnight. .WED...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: NE 3 ft at 6 seconds and SE 2 ft at 12 seconds. Slight chance of showers in the afternoon. .WED NIGHT...E winds 5 to 10 kt, becoming SE after midnight. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 6 seconds and SE 2 ft at 10 seconds. Chance of showers and slight chance of tstms after midnight. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 6 seconds and SW 2 ft at 5 seconds. Slight chance of tstms in the morning. Chance of showers. .THU NIGHT...SW winds 10 to 15 kt, becoming W after midnight. Seas around 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 6 seconds. Chance of showers. .FRI...NW winds 5 to 10 kt. Seas around 3 ft. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .SAT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Winds and seas may be higher in and near tstms. $$ ANZ385-011930- Waters from Sandy Hook NJ to Fire Island Inlet NY from 20 to 60 nm- 231 AM EDT Tue Sep 1 2026 .TODAY...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 ft at 2 seconds and SE 1 ft at 8 seconds. Slight chance of tstms this morning. Showers likely. Chance of tstms this afternoon. .TONIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 9 seconds and NE 1 ft at 3 seconds. Showers likely with chance of tstms in the evening, then chance of showers and slight chance of tstms after midnight. .WED...NE winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: NE 3 ft at 6 seconds and SE 2 ft at 11 seconds. Slight chance of showers in the afternoon. .WED NIGHT...E winds around 10 kt, becoming SE after midnight. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 6 seconds and SE 2 ft at 10 seconds. Chance of showers and slight chance of tstms after midnight. .THU...SW winds 5 to 10 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: E 3 ft at 6 seconds and SW 2 ft at 5 seconds. Chance of showers and slight chance of tstms in the morning, then slight chance of showers in the afternoon. .THU NIGHT...SW winds around 10 kt, becoming W after midnight. Seas around 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 6 seconds. Chance of showers. .FRI...NW winds 5 to 10 kt. Seas around 3 ft. .FRI NIGHT...NW winds 10 to 15 kt. Seas around 3 ft. .SAT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Winds and seas may be higher in and near tstms. $$