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Gusty winds the next several days from offshore nor'easter

More sunshine than clouds into the weekend but we will have gusty winds around 40 mph at times.

Rich Hoffman

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Oct 20, 2026, 8:04 AM

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Islip Information

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Islip, New York • Climate data: Islip MacArthur Airport (ISP)
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Another day of sunshine across Long Island, but that gusty northeast wind just doesn't want to let up! We're looking at mostly sunny skies for today, although there will be a few more clouds hanging around the East End. The big weather story continues to be the persistent northeast wind, with gusts between 25 and 35 mph, especially along the shoreline and across eastern Suffolk County. Despite the breeze, temperatures will be fairly mild for late October, with afternoon highs around 65 degrees.

Long Island Today forecast

For tonight, skies will be partly cloudy across much of Long Island, while the East End will see mostly cloudy conditions. It will be another cool and breezy night, with temperatures dropping into the 40s to lower 50s. Northeast winds will continue to gust between 15 and 30 mph, making it feel a little cooler if you're heading outdoors. You'll definitely want a jacket if you have evening plans.

Long Island tonight forecast

Wednesday looks to be the windiest day of the week. We'll see a mixture of sunshine and clouds, with more clouds across the East End, where skies could become mostly cloudy at times. The northeast wind will pick up again, with gusts reaching 30 to 40 mph, especially along the beaches, waterfront communities and across eastern Long Island. It will also be cooler, with afternoon highs in the upper 50s and lower 60s. With that gusty wind, it will certainly feel more like fall, especially if you're spending time outdoors.

Long Island tomorrow forecast

Looking ahead to Thursday and Friday, we'll enjoy plenty of sunshine as dry weather continues across Long Island. However, that persistent northeast wind will remain noticeable, with gusts occasionally reaching 25 to 35 mph. The breeze will make it feel cooler, especially near the water, but overall, we're looking at a nice stretch of dry fall weather to finish the workweek. Just keep that light jacket handy if you're heading outside.

And here's some good news as we look toward the weekend! Right now, both Saturday and Sunday are looking dry, with afternoon temperatures generally in the 60s. That's encouraging news if you're planning to visit a pumpkin patch, head to a fall festival or spend some time outdoors with the family. We'll continue to fine-tune the forecast as the weekend gets closer, but for now, it looks like a pretty nice stretch of fall weather across Long Island.

Long Island 10 day forecast

OFFSHORE NOR'EASTER

It will stay dry this week, but an offshore Nor'easter (coastal storm) will bring some windier weather and rough surf to Long Island from today through early Thursday. Even though the center of the storm is staying well offshore, its wind field will still bring northeast gusts of around 25 to 40 mph to Long Island. The highest gusts in the 40-mph range will mostly be along the shoreline and East End of Long Island. That's not necessarily damaging wind, but it will be annoying at times. Just expect decent, but windy and cool weather midweek.

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This offshore storm will also bring rough surf along Long Island’s South Shore. Waves could build to around 5 to 10 feet, creating pounding surf and the potential for some beach erosion. Coastal communities, especially along the South Shore and East End, should keep an eye on conditions as we head through the middle of the week. Beach erosion and minor coastal flooding are possible Wednesday into Thursday. Right now, the tide that would be impacted with the best chance for some minor coastal flooding would be Wednesday p.m.

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