Coastal Waters Forecast
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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191 FZUS51 KOKX 110338 CWFOKX Coastal Waters Forecast National Weather Service New York NY 1038 PM EST Wed Dec 10 2025 Montauk Point NY to Sandy Hook NJ out 20 nm offshore, including Long Island Sound, the Long Island Bays, and New York Harbor ANZ300-111615- 1038 PM EST Wed Dec 10 2025 .Synopsis for the Long Island and Connecticut coastal waters... A strong cold front will move across late tonight into Thursday morning. Associated low pressure will move well north and deepen, eventually tracking into the Canadian Maritimes on Thursday. Weak high pressure will follows for Friday. A couple of clipper lows over the Midwest on Saturday will send another shot of Arctic air across the region Saturday night into Sunday. Strong high pressure will then build in early next week. $$ ANZ350-111615- Moriches Inlet NY to Montauk Point NY out 20 nm- 1038 PM EST Wed Dec 10 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST THURSDAY... .TONIGHT...W winds 25 to 30 kt. Seas 10 to 12 ft, occasionally to 15 ft, subsiding to 8 to 11 ft, occasionally to 14 ft after midnight. Wave Detail: SW 11 ft at 8 seconds, becoming SW 11 ft at 8 seconds and SE 1 ft at 9 seconds. Rain likely, ending after midnight. .THU...W winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft, occasionally to 13 ft. Wave Detail: SW 9 ft at 8 seconds and SE 1 ft at 9 seconds. Slight chance of snow showers in the afternoon. .THU NIGHT...W winds 30 to 35 kt, becoming 25 to 35 kt after midnight. Seas 8 to 11 ft, occasionally to 14 ft. Wave Detail: SW 11 ft at 8 seconds. Slight chance of snow showers in the evening. .FRI...W winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 6 to 9 ft, occasionally to 11 ft, subsiding to 5 to 7 ft, occasionally to 9 ft in the afternoon. Wave Detail: SW 9 ft at 7 seconds, becoming SW 6 ft at 7 seconds. .FRI NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 5 ft, occasionally to 6 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: SW 4 ft at 6 seconds, becoming SW 3 ft at 6 seconds. .SAT...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. .SAT NIGHT...W winds 20 to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. Chance of snow. Vsby 1 to 3 nm. .SUN...NW winds 25 to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. Chance of snow. Vsby 1 to 3 nm. .SUN NIGHT...NW winds 25 to 35 kt. Seas 5 to 8 ft, occasionally to 10 ft. Chance of snow. Vsby 1 to 3 nm. .MON...NW winds 25 to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. $$ ANZ353-111615- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 1038 PM EST Wed Dec 10 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST THURSDAY... .TONIGHT...W winds 20 to 25 kt, increasing to 25 to 30 kt late. Seas 7 to 10 ft, occasionally to 13 ft. Wave Detail: SW 10 ft at 8 seconds and W 5 ft at 5 seconds. .THU...W winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to 9 ft, occasionally to 11 ft. Wave Detail: SW 8 ft at 7 seconds and SE 1 ft at 9 seconds. Slight chance of snow showers in the afternoon. .THU NIGHT...W winds 30 to 35 kt, diminishing to 25 to 30 kt after midnight. Seas 7 to 10 ft, occasionally to 13 ft. Wave Detail: SW 9 ft at 9 seconds and W 8 ft at 6 seconds. Slight chance of snow showers in the evening. .FRI...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: SW 6 ft at 7 seconds. .FRI NIGHT...W winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: SW 3 ft at 6 seconds. .SAT...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. Chance of snow. Vsby 1 to 3 nm. .SUN...NW winds 25 to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft. Chance of snow. Vsby 1 to 3 nm. .SUN NIGHT...NW winds 25 to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. .MON...NW winds 25 to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft, occasionally to 5 ft. $$ ANZ355-111615- Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 1038 PM EST Wed Dec 10 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST THURSDAY... .TONIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft, occasionally to 10 ft. Wave Detail: S 7 ft at 8 seconds and W 5 ft at 5 seconds. .THU...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: W 7 ft at 5 seconds and S 4 ft at 8 seconds. Slight chance of snow showers in the afternoon. .THU NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft, occasionally to 10 ft. Wave Detail: W 7 ft at 5 seconds and S 2 ft at 9 seconds. .FRI...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 4 to 6 ft, occasionally to 8 ft, subsiding to 2 to 4 ft, occasionally to 5 ft in the afternoon. Wave Detail: SW 5 ft at 6 seconds, becoming W 4 ft at 4 seconds and S 1 ft at 7 seconds. .FRI NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and S 1 ft at 7 seconds. .SAT...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. Chance of snow. Vsby 1 to 3 nm. .SUN...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft. Chance of snow. Vsby 1 to 3 nm. .SUN NIGHT...NW winds 25 to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. .MON...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft. .MON NIGHT...W winds 15 to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. $$ ANZ332-111615- Long Island Sound East of the Mouth of the Connecticut River- 1038 PM EST Wed Dec 10 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST THURSDAY... .TONIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt late. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: SW 4 ft at 4 seconds and SE 1 ft at 9 seconds. Chance of rain before midnight. .THU...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: W 5 ft at 5 seconds and SE 1 ft at 10 seconds. Slight chance of snow showers in the afternoon. .THU NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. 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. Wave Detail: W 5 ft at 5 seconds. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds. .SAT...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 ft or less, then around 2 ft in the afternoon. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Chance of snow. Vsby 1 to 3 nm. .SUN...NW winds 20 to 25 kt. Seas 2 to 3 ft. Chance of 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. .MON...NW winds 20 to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. $$ ANZ331-111615- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- 1038 PM EST Wed Dec 10 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST THURSDAY... .TONIGHT...SW winds 15 to 20 kt, becoming W 20 to 25 kt late. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: W 4 ft at 5 seconds. .THU...W winds 20 to 25 kt with gusts up to 30 kt, increasing to 25 to 30 kt with gusts up to 40 kt in the afternoon. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: W 6 ft at 5 seconds. Slight chance of snow showers in the afternoon. .THU NIGHT...W winds 25 to 30 kt. Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: W 6 ft at 6 seconds. .FRI...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 4 to 6 ft, occasionally to 8 ft, subsiding to 2 to 4 ft, occasionally to 5 ft in the afternoon. Wave Detail: W 5 ft at 5 seconds, becoming W 4 ft at 5 seconds. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds. .SAT...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 ft or less, then around 2 ft in the afternoon. .SAT NIGHT...W winds 10 to 15 kt. Seas around 2 ft. Chance of snow. Vsby 1 to 3 nm. .SUN...NW winds 20 to 25 kt. Seas 2 to 3 ft. Chance of snow. Vsby 1 to 3 nm. .SUN NIGHT...NW winds 25 to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft. .MON...NW winds 20 to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. $$ ANZ335-111615- Long Island Sound West of New Haven CT/Port Jefferson NY- 1038 PM EST Wed Dec 10 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST THURSDAY... .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming W 20 to 25 kt with gusts up to 30 kt late. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: SW 3 ft at 4 seconds. .THU...W winds 25 to 30 kt with gusts up to 40 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: W 4 ft at 4 seconds. Slight chance of snow showers in the afternoon. .THU NIGHT...W winds 25 to 30 kt. 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. Wave Detail: W 4 ft at 4 seconds. .FRI NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft in the evening, then 1 ft or less. Wave Detail: W 2 ft at 3 seconds, becoming W 1 ft at 2 seconds. .SAT...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 ft or less, then around 2 ft in the afternoon. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Chance of snow. Vsby 1 to 3 nm. .SUN...NW winds 20 to 25 kt. Seas 2 to 3 ft. Chance of snow. Vsby 1 to 3 nm. .SUN NIGHT...NW winds 25 to 30 kt. Seas 2 to 4 ft, occasionally to 5 ft. .MON...NW winds 20 to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. .MON NIGHT...W winds 10 to 15 kt. Seas around 2 ft. $$ ANZ338-111615- New York Harbor- 1038 PM EST Wed Dec 10 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST THURSDAY... .TONIGHT...SW winds 10 to 15 kt, becoming W 15 to 20 kt after midnight, then increasing to 20 to 25 kt late. Waves 1 to 3 ft. Wave Detail: SW 2 ft at 2 seconds. .THU...W winds 20 to 25 kt with gusts up to 40 kt. Waves 2 to 3 ft. Wave Detail: W 3 ft at 3 seconds. .THU NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Waves 2 to 3 ft. Wave Detail: W 3 ft at 3 seconds. .FRI...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Waves around 2 ft. Wave Detail: W 2 ft at 3 seconds. .FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft or less. Wave Detail: W 1 ft at 2 seconds. .SAT...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 ft or less. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Chance of snow. Vsby 1 to 3 nm. .SUN...NW winds 20 to 25 kt. Waves around 2 ft. Chance of snow. Vsby 1 to 3 nm. .SUN NIGHT...NW winds 20 to 25 kt. Waves 2 to 3 ft. .MON...NW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. $$ ANZ340-111615- Peconic and Gardiners Bays- 1038 PM EST Wed Dec 10 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST THURSDAY... .TONIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Waves around 2 ft. Chance of rain before midnight. .THU...W winds 20 to 25 kt. Gusts up to 40 kt in the afternoon. Waves 2 to 3 ft. Slight chance of snow showers in the afternoon. .THU NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Waves 2 to 3 ft. .FRI...W winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves 1 ft or less. .SAT...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 ft or less. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. Chance of snow. Vsby 1 to 3 nm. .SUN...NW winds 15 to 20 kt with gusts up to 25 kt. Waves 1 to 2 ft. Chance of 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. .MON...NW winds 20 to 25 kt. Waves 2 to 3 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves 1 to 2 ft. $$ ANZ345-111615- South Shore Bays from Jones Inlet through Shinnecock Bay- 1038 PM EST Wed Dec 10 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST THURSDAY... .TONIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt late. Waves around 2 ft. .THU...W winds 20 to 25 kt with gusts up to 40 kt. Waves around 2 ft. Slight chance of snow showers in the afternoon. .THU NIGHT...W winds 25 to 30 kt with gusts up to 40 kt, diminishing to 20 to 25 kt with gusts up to 30 kt after midnight. Waves around 2 ft. .FRI...W winds 15 to 20 kt with gusts up to 30 kt. Waves 1 ft or less. .FRI NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Waves 1 ft or less. .SAT...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 ft or less. .SAT NIGHT...W winds 15 to 20 kt. Waves 1 ft or less. Chance of snow. Vsby 1 to 3 nm. .SUN...NW winds 20 to 25 kt with gusts up to 30 kt. Waves 1 ft or less. Chance of snow. Vsby 1 to 3 nm. .SUN NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Waves around 2 ft. .MON...NW winds 15 to 20 kt with gusts up to 25 kt. Waves 1 ft or less. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less. $$