Atlantic Coast marine forecasts

Peconic and Gardiners Bays

ANZ340 · Coastal Waters Forecast, National Weather Service New York NY · issued Fri, Sep 25, 4:22 PM EDT

Gale Warning in force. Tonight: NE winds 25 to 30 kt. Gusts up to 45 kt, increasing to 50 kt late. Waves 3 to 5 ft. Rain.

Peconic and Gardiners Bays on the map

The zone and the zones around it, tinted where a marine warning or advisory is in force. Tap a neighboring zone to open its forecast.

  • Storm Warning
  • Gale Warning

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Now

The nearest stations reporting each, as of Sat, Sep 26, 3:48 AM EDT.

Wind
NNE 21 kt, gusts 32 kt at NWHC3
Water
65°F at MTKN6

Alerts in force

  • Gale Warning from Sat, Sep 26, 4:30 AM EDT until Sun, Sep 27, 6:00 PM EDT

    Gale Warning issued September 26 at 4:30AM EDT until September 27 at 6:00PM EDT by NWS Upton NY

    The full text
    * WHAT...Northeast winds 25 to 35 kt with gusts up to 45 kt and
    seas 5 to 8 ft. Occasional gusts up to 50 kt possible on the
    waters E of Orient Point.
    
    * WHERE...Long Island Sound east of Port Jefferson and New Haven,
    and the south shore and eastern bays of Long Island.
    
    * WHEN...Until 6 PM EDT Sunday.
    
    * IMPACTS...Strong winds will cause hazardous seas which could
    capsize or damage vessels and reduce visibility.
    Mariners should alter plans to avoid these hazardous conditions.
    Remain in port, seek safe harbor, alter course, and/or secure the
    vessel for hazardous conditions.

The forecast

Coastal Waters Forecast from National Weather Service New York NY, issued Fri, Sep 25, 4:22 PM EDT, valid until Sat, Sep 26, 5:15 AM EDT. Wind in knots, seas in feet.

GALE WARNING IN EFFECT THROUGH LATE SATURDAY NIGHT

Tonight
NE winds 25 to 30 kt. Gusts up to 45 kt, increasing to 50 kt late. Waves 3 to 5 ft. Rain.
Saturday
NE winds 25 to 30 kt with gusts up to 50 kt. Waves 3 to 5 ft. Rain.
Saturday night
NE winds around 30 kt with gusts up to 45 kt. Waves 3 to 5 ft. Rain.
Sunday
NE winds 25 to 30 kt with gusts up to 45 kt. Waves 3 to 5 ft. Rain.
Sunday night
NE winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 4 ft. Rain.
Monday
E winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Rain.
Monday night
N winds 5 to 10 kt. Waves 1 ft or less. Rain likely in the evening, then chance of showers after midnight.
Tuesday
NW winds around 5 kt. Waves 1 ft or less.
Tuesday night
W winds around 5 kt. Waves 1 ft or less.
Wednesday
W winds around 5 kt. Waves 1 ft or less.
Wednesday night
SW winds around 5 kt. Waves 1 ft or less.

Synopsis

Synopsis for the Long Island and Connecticut coastal waters

A nor'easter will impact waters through Monday before high pressure moves back into the area thereafter.

Buoys and stations nearby

The latest report from each station within reach of the zone, nearest first. Distances in nautical miles from the middle of the zone.

StationDistanceWindWavesWaterAirPressureReported
MTKN6 8510560 - Montauk, NY13 nm65°F1008.7 hPaSat, Sep 26, 3:48 AM EDT
NLHC3 8461490 - New London, CT17 nm64°F1009.3 hPaSat, Sep 26, 3:48 AM EDT
NWHC3 8465705 - New Haven, CT32 nmNNE 21 kt, gusts 3265°F1009.2 hPaSat, Sep 26, 3:48 AM EDT
BRHC3 8467150 - Bridgeport, CT43 nmNNE 17 kt, gusts 2367°F1007.9 hPaSat, Sep 26, 3:48 AM EDT
44069 Great South Bay46 nmNNE 27 kt, gusts 3759°F59°FSat, Sep 26, 4:00 AM EDT
NWPR1 8452660 - Newport, RI48 nmNNE 19 kt, gusts 2963°F1010.2 hPaSat, Sep 26, 3:48 AM EDT

The past year

Warnings, watches and advisories the National Weather Service issued for this zone over the past 12 months, from the Iowa Environmental Mesonet’s archive.

ProductIssuedMost recent
Gale Warning24Fri, Sep 25, 2026, 6:00 AM EDT
Special Marine Warning12Thu, Aug 13, 2026, 5:59 AM EDT
Storm Warning2Sun, Feb 22, 2026, 7:00 PM EST
Gale Watch17Fri, Sep 25, 2026, 12:00 AM EDT
Severe Thunderstorm Watch4Sat, Jul 4, 2026, 7:20 PM EDT
Storm Watch3Sun, Feb 22, 2026, 7:00 PM EST
Small Craft Advisory85Tue, Sep 22, 2026, 6:00 AM EDT
Dense Fog Advisory17Mon, Jun 29, 2026, 1:00 AM EDT
Freezing Spray Advisory1Sat, Feb 7, 2026, 1:00 PM EST
Low Water Advisory1Thu, Nov 6, 2025, 3:00 AM EST

What this means

Marine forecasts give wind in knots (1 knot is 1.15 mph) and seas in feet, except the high seas forecasts, which give seas in meters. Seas are the significant wave height, the average of the highest third of the waves; individual waves may be more than twice that. On the Great Lakes the forecast gives waves, not seas. "Wave Detail" splits the seas into the wind waves and each swell, with its direction and period.

Each coastal office writes a Coastal Waters Forecast for the bays, sounds and ocean out to 20 to 60 nautical miles, or on the Great Lakes a Nearshore Marine Forecast within 5 nautical miles of shore; the Open Lakes Forecast covers the rest of each lake. The Ocean Prediction Center and the National Hurricane Center write the Offshore Waters Forecasts out to about 250 nautical miles, and the High Seas Forecasts beyond. Forecasts are issued at least twice a day and updated when they go wrong.

Small Craft Advisory
Winds or conditions hazardous to small boats. The thresholds are set by each NWS region: typically sustained winds or frequent gusts of 20 to 25 knots up to 33 knots, and seas of 5 to 7 feet or more.
Gale Warning
Sustained winds or frequent gusts of 34 to 47 knots, not from a tropical cyclone.
Storm Warning
Sustained winds or frequent gusts of 48 to 63 knots, not from a tropical cyclone.
Hurricane Force Wind Warning
Sustained winds or frequent gusts of 64 knots or more, not from a tropical cyclone.
Special Marine Warning
A thunderstorm or squall over the water with winds or gusts of 34 knots or more, hail of 3/4 inch or more, or a waterspout, for up to two hours.
Hazardous Seas Warning
Wave heights or steepness at or above the office’s warning threshold, when the wind alone does not warrant a warning.
Heavy Freezing Spray Warning
Spray freezing on a vessel at 2 cm (3/4 inch) an hour or more.
Tropical Storm and Hurricane Warnings
Tropical storm (34 to 63 knots) or hurricane (64 knots or more) conditions expected within 36 hours. Watches: possible within 48 hours.

Nearby

Open the live map with marine zones and buoysThe hour-by-hour forecast for the middle of the zoneSoutheastern Suffolk BeachesSouthern Middlesex County BeachesSouthern New London County BeachesEvery Atlantic Coast zone

Sources

Coastal Waters Forecast CWFOKX from National Weather Service New York NY, issued Fri, Sep 25, 4:22 PM EDT. Original at NWS. Buoy reports from the National Data Buoy Center. Past products from the Iowa Environmental Mesonet. Zone outlines from the NWS marine and offshore zone boundaries. Warnings and advisories from the NWS API, read 08:35 UTC. All public domain, from the National Weather Service.