Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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866 FZUS51 KOKX 091839 CWFOKX Coastal Waters Forecast National Weather Service New York NY 139 PM EST Tue Dec 9 2025 Montauk Point NY to Sandy Hook NJ out 20 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-100800- 139 PM EST Tue Dec 9 2025 .Synopsis for the Long Island and Connecticut coastal waters... High pressure moves well out into the Atlantic into this evening. A weak wave of low pressure moves northward within the Western Atlantic late tonight into early Wednesday. A stronger wave of low pressure approaches from the west Wednesday afternoon into Wednesday evening with a corresponding strong cold front moving across late Wednesday night. High pressure builds in from the south and west Thursday into Thursday night. A weak upper level disturbance will move across Friday night into Saturday morning. An Arctic cold front will approach Saturday night, then move through on Sunday as offshore low pressure forms along the front. $$ ANZ350-100800- Moriches Inlet NY to Montauk Point NY out 20 nm- 139 PM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH LATE TONIGHT... ...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... .REST OF TODAY...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt late. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and E 2 ft at 7 seconds. .TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft, building to 5 to 8 ft, occasionally to 10 ft after midnight. Wave Detail: SW 5 ft at 5 seconds and E 1 ft at 9 seconds, becoming SW 8 ft at 7 seconds and E 1 ft at 9 seconds. .WED...SW winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft, occasionally to 13 ft, building to 9 to 13 ft, occasionally to 17 ft in the afternoon. Wave Detail: SW 10 ft at 7 seconds and E 1 ft at 9 seconds, becoming SW 12 ft at 8 seconds and SE 1 ft at 9 seconds. Chance of rain in the afternoon. .WED NIGHT...W winds 25 to 30 kt. Gusts up to 35 kt. Seas 9 to 13 ft, occasionally to 17 ft. Wave Detail: S 12 ft at 9 seconds. Rain likely, mainly in the evening. .THU...W winds 25 to 30 kt. Seas 7 to 10 ft, occasionally to 13 ft. Wave Detail: SW 9 ft at 8 seconds and S 7 ft at 9 seconds. .THU NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft, occasionally to 13 ft. Wave Detail: SW 10 ft at 8 seconds. .FRI...W winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 8 ft, occasionally to 10 ft, subsiding to 4 to 6 ft, occasionally to 8 ft in the afternoon. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. Chance of light rain and light snow. .SAT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft. Chance of light rain and light snow. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. Chance of rain and snow. Vsby 1 to 3 nm. .SUN...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. Chance of rain and snow. Vsby 1 to 3 nm. .SUN NIGHT...NW winds 25 to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. Chance of snow. Vsby 1 to 3 nm. $$ ANZ353-100800- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 139 PM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH LATE TONIGHT... ...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... .REST OF TODAY...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and SW 1 ft at 2 seconds. .TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft, building to 5 to 7 ft, occasionally to 9 ft after midnight. Wave Detail: SW 5 ft at 5 seconds and E 2 ft at 9 seconds, becoming SW 7 ft at 6 seconds and E 1 ft at 9 seconds. .WED...SW winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft, occasionally to 13 ft, building to 9 to 12 ft, occasionally to 15 ft in the afternoon. Wave Detail: SW 9 ft at 7 seconds and E 1 ft at 9 seconds, becoming S 12 ft at 8 seconds and SE 1 ft at 9 seconds. Rain likely in the afternoon. .WED NIGHT...W winds 25 to 30 kt. Gusts up to 35 kt. Seas 9 to 11 ft, occasionally to 14 ft, subsiding to 7 to 10 ft, occasionally to 13 ft after midnight. Wave Detail: SW 11 ft at 8 seconds and SE 9 ft at 9 seconds, becoming S 9 ft at 9 seconds and W 6 ft at 6 seconds. Chance of rain in the evening. .THU...W winds 25 to 30 kt. Seas 6 to 9 ft, occasionally to 11 ft. Wave Detail: W 7 ft at 6 seconds and S 6 ft at 9 seconds. .THU NIGHT...W winds 25 to 30 kt. Seas 6 to 9 ft, occasionally to 11 ft. Wave Detail: W 8 ft at 7 seconds and S 3 ft at 9 seconds. .FRI...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. Chance of light snow. .SAT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 5 ft, occasionally to 6 ft. Chance of rain and snow. Vsby 1 to 3 nm. .SUN...W winds 25 to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. Chance of rain and snow. Vsby 1 to 3 nm. .SUN NIGHT...NW winds 25 to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. $$ ANZ355-100800- Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 139 PM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH LATE TONIGHT... ...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... .REST OF TODAY...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and SW 1 ft at 2 seconds. .TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: SW 5 ft at 6 seconds and E 2 ft at 8 seconds. .WED...SW winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 7 ft, occasionally to 9 ft, building to 7 to 10 ft, occasionally to 13 ft in the afternoon. Wave Detail: S 7 ft at 7 seconds and E 1 ft at 9 seconds, becoming S 9 ft at 8 seconds. Rain likely in the afternoon. .WED NIGHT...W winds 25 to 30 kt. Gusts up to 35 kt in the evening. Seas 6 to 9 ft, occasionally to 11 ft. Wave Detail: S 8 ft at 8 seconds and W 5 ft at 5 seconds. Chance of rain in the evening. .THU...W winds 25 to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: W 6 ft at 5 seconds and S 5 ft at 9 seconds. .THU NIGHT...W winds 25 to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: W 6 ft at 5 seconds and S 2 ft at 9 seconds. .FRI...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 4 to 6 ft, occasionally to 8 ft. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. Chance of light snow. .SAT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft. .SAT NIGHT...W winds around 20 kt with gusts up to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft. Chance of rain and snow. Vsby 1 to 3 nm. .SUN...W winds 25 to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. Chance of rain. .SUN NIGHT...NW winds 25 to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. $$ ANZ332-100800- Long Island Sound East of the Mouth of the Connecticut River- 139 PM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH LATE TONIGHT... ...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY AFTERNOON... .REST OF TODAY...SW winds 5 to 10 kt. Seas 1 ft or less. Wave Detail: W 1 ft at 2 seconds. .TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds. Slight chance of rain and snow in the evening, then slight chance of rain after midnight. Vsby 1 to 3 nm in the evening. .WED...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: SW 4 ft at 4 seconds. Rain likely in the afternoon. .WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: SW 4 ft at 4 seconds and SE 1 ft at 10 seconds. Rain likely in the evening. .THU...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: W 5 ft at 5 seconds and SE 1 ft at 10 seconds. .THU NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: W 5 ft at 5 seconds and E 1 ft at 10 seconds. .FRI...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Chance of rain and snow. Vsby 1 to 3 nm. .SUN...W winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 3 ft. Chance of rain and snow. Vsby 1 to 3 nm. .SUN NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft, occasionally to 5 ft. $$ ANZ331-100800- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 139 PM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH LATE TONIGHT... ...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY AFTERNOON... .REST OF TODAY...SW winds around 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds. .WED...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: SW 4 ft at 4 seconds. Slight chance of rain in the morning, then rain likely in the afternoon. .WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 4 ft, occasionally to 5 ft. Wave Detail: SW 4 ft at 5 seconds. Chance of rain in the evening. .THU...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: W 5 ft at 5 seconds. .THU NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: W 6 ft at 5 seconds. .FRI...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft, occasionally to 6 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Chance of snow. Vsby 1 to 3 nm. .SUN...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 2 to 4 ft, occasionally to 5 ft. Chance of snow and rain. Vsby 1 to 3 nm. .SUN NIGHT...NW winds 25 to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft. $$ ANZ335-100800- Long Island Sound West of New Haven CT/Port Jefferson NY- 139 PM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH LATE TONIGHT... ...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY AFTERNOON... .REST OF TODAY...SW winds around 10 kt. Seas 1 ft or less. Wave Detail: SW 1 ft at 2 seconds. .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds. .WED...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 3 seconds. Slight chance of rain in the morning, then rain in the afternoon. .WED NIGHT...SW winds 15 to 20 kt, becoming W 20 to 25 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: SW 3 ft at 4 seconds. Chance of rain in the evening. .THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: W 4 ft at 4 seconds. .THU NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: W 4 ft at 4 seconds. .FRI...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. Chance of light snow. .SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Chance of snow. Vsby 1 to 3 nm. .SUN...NW winds 25 to 30 kt. Seas 2 to 4 ft, occasionally to 5 ft. Chance of snow and rain. Vsby 1 to 3 nm. .SUN NIGHT...NW winds 25 to 30 kt. Seas 2 to 4 ft, occasionally to 5 ft. $$ ANZ338-100800- New York Harbor- 139 PM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH WEDNESDAY AFTERNOON... .REST OF TODAY...SW winds 5 to 10 kt. Waves 1 ft or less. .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 1 to 2 ft. Wave Detail: SW 1 ft at 2 seconds. .WED...SW winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft. Wave Detail: SW 2 ft at 2 seconds. Slight chance of rain in the morning, then rain in the afternoon. .WED NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft. Wave Detail: SW 2 ft at 2 seconds. Chance of rain in the evening. .THU...W winds 20 to 25 kt with gusts up to 30 kt. Waves 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds. .THU NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Waves 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds. .FRI...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Waves around 2 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. Chance of light snow. .SAT...W winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. .SAT NIGHT...W winds around 15 kt with gusts up to 25 kt. Waves around 2 ft. Chance of snow. Vsby 1 to 3 nm. .SUN...NW winds 20 to 25 kt with gusts up to 30 kt. Waves around 2 ft. Chance of snow and rain. Vsby 1 to 3 nm. .SUN NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Waves 2 to 3 ft. $$ ANZ340-100800- Peconic and Gardiners Bays- 139 PM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH LATE TONIGHT... ...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY AFTERNOON... .REST OF TODAY...SW winds 5 to 10 kt. Waves 1 ft or less. .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 1 ft or less, then around 2 ft after midnight. .WED...SW winds 15 to 20 kt with gusts up to 35 kt. Waves around 2 ft. Rain likely in the afternoon. .WED NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft. Rain likely in the evening. .THU...W winds 20 to 25 kt with gusts up to 30 kt. Waves 2 to 3 ft. .THU NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Waves 2 to 3 ft. .FRI...W winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. Chance of snow. Vsby 1 to 3 nm. .SUN...W winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft. Chance of rain and snow. Vsby 1 to 3 nm. .SUN NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Waves 2 to 3 ft. $$ ANZ345-100800- South Shore Bays from Jones Inlet through Shinnecock Bay- 139 PM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH LATE TONIGHT... ...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY AFTERNOON... .REST OF TODAY...SW winds 10 to 15 kt. Waves 1 ft or less. .TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Waves 1 ft or less, then around 2 ft after midnight. .WED...SW winds 20 to 25 kt with gusts up to 40 kt. Waves around 2 ft. Rain likely in the afternoon. .WED NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Occasional gusts up to 35 kt in the evening. Otherwise, gusts up to 30 kt. Waves around 2 ft. Chance of rain in the evening. .THU...W winds 20 to 25 kt with gusts up to 35 kt. Waves around 2 ft. .THU NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Waves around 2 ft. .FRI...W winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. Chance of light snow. .SAT...W winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Chance of snow. Vsby 1 to 3 nm. .SUN...W winds 20 to 25 kt with gusts up to 30 kt. Waves 2 to 3 ft. Chance of rain and snow. Vsby 1 to 3 nm. .SUN NIGHT...NW winds 25 to 30 kt. Waves 2 to 3 ft. $$