STORM WATCH

Nor’easter to bring heavy rain, strong winds and coastal flooding to Long Island

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STORM WATCH: Major nor'easter bringing strong wind, flooding, heavy rain to LI

Significant travel impacts from times of heavy rain, intense wind and coastal flooding expected from now through Monday morning - plan for the chance of power outages and travel disruptions.

Matt Hammer

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Sep 25, 2026, 7:42 PM

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Updated

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NOW THROUGH THIS WEEKEND: RAIN, STRONG WIND, COASTAL FLOODING

The powerful nor'easter is moving in now with increasing wind this evening, moderate coastal flooding and periods of off-and-on moderate to heavy rain, but the worst conditions will be this weekend with significant travel impacts. Wind gusts are likely to reach 60 mph along with heavy rain, beach erosion and coastal flooding.

Please be safe this weekend and stay with News 12 Long Island on-air, on social media and the News 12 app for continuous STORM WATCH coverage all weekend long.

Check local tides and shoreline alerts.

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STORM IMPACTS

- Coastal flooding: Coastal flood warning in effect from now through 6 p.m. Sunday. Multiple rounds of coastal flooding around high tide times through the weekend.

- Beach erosion: Persistent onshore winds and rough surf will continue to produce beach erosion.

- Damaging wind gusts: Gusts of 30 to 55 mph through tonight. Gusts of 40 to 60 mph Saturday through Sunday during the strongest parts of the storm, with widespread power outages possible.

- Heavy rain: Periods of moderate to heavy rain are expected, especially Saturday afternoon through Sunday morning. Street flooding is likely with rain totals ranging from 3 to 6 inches.

- Thunderstorm risk: Thunderstorms possible Saturday, which could locally enhance rainfall and wind gusts.

- Improvements: Showers may linger Sunday night before conditions gradually improve Monday afternoon.

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EXTENDED FORECAST

TONIGHT: STORM WATCH - Mainly cloudy with periods of rain. Windy with continued rough surf and minor to moderate coastal flooding during high tide. A wind advisory is in effect. Gusts up to 60 mph possible. Scattered power outages likely. Rain will be heavy at times through Friday night. Lows near the mid-50s.

SATURDAY: STORM WATCH - Moderate to major coastal flooding possible during the morning high tide. Windy with moderate to heavy rain. Scattered power outages, dangerous travel and areas of flooding will be possible. Please use caution if you have to travel. Wind gusts may exceed 40-60 mph, mainly in Suffolk County. Highs around 64 degrees. Lows near 56 degrees.

SUNDAY: STORM WATCH - Mostly cloudy and windy, with periods of rain. There will be improvements in the afternoon with stronger winds subsiding and rain tapering off to periodic showers, but this can change a bit depending on the exact storm track. Lingering scattered wind damage, debris and water in streets will continue to lead to potentially dangerous travel. Highs around 67 degrees. Lows near 57 degrees.

MONDAY: Showers can linger through the morning. Mostly cloudy with a few sun breaks possible. Highs around 66 degrees. Lows near 55 degrees.

TUESDAY: Partly sunny. Highs around 69 degrees. Lows near 56 degrees.

WEDNESDAY: Mostly sunny. Highs around 70 degrees. Lows near 58 degrees.

THURSDAY: Mostly sunny. Highs around 74 degrees. Lows near 62 degrees.

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