Navigating the waters around New York City requires careful planning, and access to reliable weather forecasts is paramount for safety and efficiency. The National Weather Service Nyc (NWS NYC) provides crucial coastal waters forecasts, ensuring mariners and coastal enthusiasts are well-informed about upcoming conditions. This detailed forecast, issued by NWS New York, NY, covers a wide expanse from Montauk Point NY to Sandy Hook NJ, including the Long Island Sound, the Long Island Bays, and the bustling New York Harbor.
This report, updated at 11:14 AM EST on Monday, February 24, 2025, offers a comprehensive outlook for the upcoming days. Let’s dive into the specifics to help you plan your activities in and around the NYC coastal waters.
Synopsis of Coastal Weather Conditions
The current weather pattern is influenced by high pressure moving eastward into the Atlantic. Looking ahead, a weak cold front is expected to approach on Tuesday, passing through the area in the late afternoon and early evening. Following this, high pressure will bring more settled conditions on Wednesday. Mid-week will see more dynamic weather as a warm front lifts northward on Wednesday night, followed by a cold front on Thursday, and a secondary cold frontal passage Thursday night. A brief period of high pressure is anticipated to return on Friday.
Detailed Forecasts by Zone
To provide clarity, the National Weather Service NYC breaks down the forecast into specific coastal zones. Here’s a look at what you can expect in each area:
Moriches Inlet NY to Montauk Point NY out to 20 nm (ANZ350)
Today: Expect Southeast winds at 5 to 10 knots, becoming South at 10 to 15 knots later in the day. Seas will be around 2 feet. Wave details indicate South waves at 2 feet with a 5-second period and Southeast waves at 1 foot with a 9-second period.
Tonight: South winds will continue at 10 to 15 knots, with gusts potentially reaching 20 knots. Seas are expected to build to 2 to 4 feet, occasionally up to 5 feet. Wave details show South waves at 3 feet with a 4-second period and Southeast waves at 1 foot with a 9-second period.
Tuesday: Southwest winds will blow at 10 to 15 knots, gusting to 20 knots, but diminishing to 5 to 10 knots in the afternoon. Seas will remain at 2 to 3 feet. Wave details: Southwest waves at 3 feet with a 5-second period and Southeast waves at 1 foot with a 9-second period.
Tuesday Night: Winds will shift to West at 5 to 10 knots, becoming Northwest at 10 to 15 knots with gusts to 20 knots after midnight. Seas will be 2 to 3 feet. Wave details: South waves at 2 feet with a 5-second period and Southeast waves at 1 foot with a 9-second period.
Wednesday: West winds will be 10 to 15 knots with gusts to 20 knots. Seas 2 to 3 feet. Wave details: Northwest waves at 2 feet with a 4-second period and South waves at 2 feet with an 8-second period.
Wednesday Night: Southwest winds at 5 to 10 knots, becoming South at 10 to 15 knots with gusts to 20 knots after midnight. Seas 2 to 3 feet, building to 3 to 5 feet, occasionally 6 feet after midnight. Wave details will transition from Southwest waves at 2 feet with a 4-second period and Southeast waves at 2 feet with an 8-second period, to Southwest waves at 3 feet with a 4-second period and Southeast waves at 3 feet with an 11-second period.
Thursday: South winds at 15 to 20 knots with gusts to 25 knots. Seas 5 to 7 feet, occasionally reaching 9 feet. There is a chance of showers.
Thursday Night: West winds at 15 to 20 knots. Seas 6 to 8 feet, occasionally to 10 feet. Chance of showers.
Friday: Northwest winds at 15 to 20 knots with gusts to 25 knots. Seas 6 to 8 feet, occasionally to 10 feet.
Friday Night: Northwest winds at 15 to 20 knots with gusts to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet.
Fire Island Inlet NY to Moriches Inlet NY out to 20 nm (ANZ353)
Today: Southeast winds 5 to 10 knots, becoming South 10 to 15 knots late. Seas around 2 feet. Wave detail: South 2 feet at 4 seconds and Southeast 1 foot at 9 seconds.
Tonight: South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave detail: South 3 feet at 4 seconds and Southeast 1 foot at 9 seconds.
Tuesday: Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave detail: South 3 feet at 5 seconds and Southeast 1 foot at 9 seconds.
Tuesday Night: West winds 5 to 10 knots, becoming Northwest 10 to 15 knots after midnight. Seas around 2 feet. Wave detail: South 2 feet at 4 seconds and Southeast 1 foot at 9 seconds.
Wednesday: West winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: West 2 feet at 4 seconds and Southeast 2 feet at 8 seconds.
Wednesday Night: Southwest winds 10 to 15 knots. Seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet after midnight. Wave detail: Southeast 2 feet at 8 seconds and Southwest 1 foot at 3 seconds, becoming Southwest 3 feet at 4 seconds and Southeast 3 feet at 10 seconds.
Thursday: South winds 15 to 20 knots with gusts to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Chance of showers.
Thursday Night: West winds 10 to 15 knots with gusts to 20 knots. Seas 6 to 7 feet, occasionally to 9 feet. Chance of showers.
Friday: Northwest winds 15 to 20 knots with gusts to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet.
Friday Night: Northwest winds 15 to 20 knots with gusts to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet.
Sandy Hook NJ to Fire Island Inlet NY out to 20 nm (ANZ355)
Today: Southeast winds 5 to 10 knots, becoming South 10 to 15 knots with gusts to 20 knots late. Seas 2 to 3 feet. Wave detail: South 2 feet at 3 seconds and Southeast 1 foot at 9 seconds.
Tonight: South winds 10 to 15 knots with gusts to 20 knots. Seas 2 to 3 feet. Wave detail: South 3 feet at 4 seconds and Southeast 1 foot at 9 seconds.
Tuesday: Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: South 2 feet at 5 seconds and Southeast 1 foot at 9 seconds.
Tuesday Night: West winds 5 to 10 knots, becoming Northwest 10 to 15 knots after midnight. Seas around 2 feet. Wave detail: Southwest 2 feet at 4 seconds and Southeast 1 foot at 9 seconds.
Wednesday: Northwest winds 10 to 15 knots with gusts to 20 knots, becoming West 5 to 10 knots in the afternoon. Seas around 2 feet. Wave detail: Northwest 2 feet at 3 seconds and Southeast 2 feet at 8 seconds.
Wednesday Night: South winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: South 3 feet at 4 seconds and Southeast 3 feet at 11 seconds.
Thursday: South winds 15 to 20 knots with gusts to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Chance of showers.
Thursday Night: West winds 10 to 15 knots with gusts to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Chance of showers.
Friday: Northwest winds 15 to 20 knots with gusts to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet.
Friday Night: Northwest winds 10 to 15 knots with gusts to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet.
Long Island Sound East of the Mouth of the Connecticut River (ANZ332)
Today: Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave detail: South 1 foot at 2 seconds and Southeast 1 foot at 9 seconds.
Tonight: Southwest winds 10 to 15 knots with gusts to 20 knots. Seas 1 to 2 feet. Wave detail: South 1 foot at 3 seconds and Southeast 1 foot at 9 seconds.
Tuesday: Southwest winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave detail: Southwest 1 foot at 3 seconds, becoming Southwest 1 foot at 2 seconds.
Tuesday Night: Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave detail: West 1 foot at 2 seconds.
Wednesday: West winds 5 to 10 knots. Seas around 2 feet. Wave detail: Northwest 1 foot at 3 seconds.
Wednesday Night: Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: East 2 feet at 10 seconds and West 1 foot at 2 seconds.
Thursday: South winds 10 to 15 knots with gusts to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Chance of showers.
Thursday Night: West winds 10 to 15 knots with gusts to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Chance of showers.
Friday: West winds 10 to 15 knots with gusts to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet.
Friday Night: Northwest winds 10 to 15 knots with gusts to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet.
Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River (ANZ331)
Today: Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave detail: South 1 foot at 2 seconds and Southeast 1 foot at 9 seconds.
Tonight: South winds 5 to 10 knots, becoming Southwest 10 to 15 knots after midnight. Seas 1 foot or less, then 1 to 2 feet after midnight. Wave detail: South 1 foot at 3 seconds and Southeast 1 foot at 9 seconds, becoming Southwest 1 foot at 3 seconds and Southeast 1 foot at 9 seconds.
Tuesday: Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave detail: Southwest 1 foot at 3 seconds.
Tuesday Night: Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave detail: Northwest 1 foot at 2 seconds.
Wednesday: West winds 5 to 10 knots. Seas 1 foot or less. Wave detail: Northwest 1 foot at 3 seconds.
Wednesday Night: Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave detail: West 1 foot at 3 seconds.
Thursday: South winds 10 to 15 knots with gusts to 20 knots. Seas around 2 feet. Chance of showers.
Thursday Night: West winds 10 to 15 knots. Seas around 2 feet. Chance of showers.
Friday: West winds 10 to 15 knots with gusts to 20 knots. Seas around 2 feet.
Friday Night: North winds 10 to 15 knots with gusts to 20 knots. Seas around 2 feet.
Long Island Sound West of New Haven CT/Port Jefferson NY (ANZ335)
Today: Southeast winds 5 to 10 knots, becoming South late. Seas 1 foot or less. Wave detail: South 1 foot at 2 seconds.
Tonight: Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave detail: South 1 foot at 3 seconds, becoming Southwest.
Tuesday: Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave detail: Southwest 1 foot at 2 seconds.
Tuesday Night: Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave detail: Northwest 1 foot at 2 seconds.
Wednesday: West winds 5 to 10 knots. Seas 1 foot or less. Wave detail: West 1 foot at 2 seconds.
Wednesday Night: South winds 5 to 10 knots. Seas 1 foot or less.
Thursday: South winds 10 to 15 knots. Seas 1 foot or less. Chance of showers.
Thursday Night: West winds around 10 knots. Seas 1 foot or less. Chance of showers.
Friday: Northwest winds 10 to 15 knots with gusts to 20 knots. Seas around 2 feet.
Friday Night: North winds 10 to 15 knots with gusts to 20 knots. Seas 1 to 2 feet.
New York Harbor (ANZ338)
Today: Southeast winds 5 to 10 knots. Waves 1 foot or less, then 1 to 2 feet this afternoon, highest at the harbor entrance. Wave detail: South 1 foot at 2 seconds.
Tonight: South winds 5 to 10 knots. Waves 1 to 2 feet, highest at the harbor entrance. Wave detail: South 1 foot at 3 seconds.
Tuesday: Southwest winds 5 to 10 knots. Waves 1 foot or less.
Tuesday Night: Northwest winds 5 to 10 knots. Waves 1 foot or less.
Wednesday: West winds 5 to 10 knots. Waves 1 foot or less. Wave detail: Northwest 1 foot at 2 seconds.
Wednesday Night: South winds 5 to 10 knots. Waves 1 foot or less, then 1 to 2 feet after midnight.
Thursday: Southwest winds around 10 knots. Waves around 2 feet. Chance of showers.
Thursday Night: West winds around 10 knots. Waves 2 to 3 feet. Chance of showers.
Friday: Northwest winds 10 to 15 knots with gusts to 20 knots. Waves 2 to 3 feet.
Friday Night: North winds 10 to 15 knots. Waves 1 to 2 feet.
Peconic and Gardiners Bays (ANZ340)
Today: Southeast winds 5 to 10 knots. Waves 1 foot or less.
Tonight: Southwest winds 10 to 15 knots. Waves 1 to 2 feet.
Tuesday: Southwest winds 5 to 10 knots. Waves 1 foot or less.
Tuesday Night: Northwest winds 5 to 10 knots. Waves 1 foot or less.
Wednesday: West winds 5 to 10 knots. Waves 1 foot or less.
Wednesday Night: Southwest winds 5 to 10 knots. Waves 1 foot or less.
Thursday: South winds 10 to 15 knots with gusts to 20 knots. Waves 1 to 2 feet. Chance of showers.
Thursday Night: West winds 10 to 15 knots. Waves 1 to 2 feet. Chance of showers.
Friday: West winds 10 to 15 knots with gusts to 20 knots. Waves 1 to 2 feet.
Friday Night: Northwest winds 10 to 15 knots with gusts to 20 knots. Waves 1 to 2 feet.
South Shore Bays from Jones Inlet through Shinnecock Bay (ANZ345)
Today: Southeast winds 5 to 10 knots, becoming South late. Waves 1 foot or less.
Tonight: Southwest winds 10 to 15 knots with gusts to 20 knots. Waves 1 to 2 feet.
Tuesday: Southwest winds 5 to 10 knots. Waves 1 foot or less.
Tuesday Night: Northwest winds 5 to 10 knots. Waves 1 foot or less.
Wednesday: West winds 5 to 10 knots. Waves 1 foot or less.
Wednesday Night: Southwest winds around 5 knots, becoming South 10 to 15 knots after midnight. Waves 1 foot or less.
Thursday: South winds 10 to 15 knots with gusts to 20 knots. Waves 1 foot or less. Chance of showers.
Thursday Night: West winds 10 to 15 knots. Waves 1 foot or less. Chance of showers.
Friday: Northwest winds 10 to 15 knots with gusts to 20 knots. Waves 1 foot or less.
Friday Night: Northwest winds 10 to 15 knots with gusts to 20 knots. Waves 1 foot or less.
Conclusion
This detailed coastal waters forecast from the National Weather Service NYC provides essential information for anyone planning activities on or near the water around New York City. From wind conditions to wave heights, staying informed ensures safety and preparedness. Be sure to check back for updates, especially as weather systems evolve throughout the week. For the most current and comprehensive information, always refer directly to the official National Weather Service NYC resources.
