Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Hazardous Weather Conditions

For More Weather Information:

New York, NY Local Forecast Office

16NM WSW Islip NY

Marine Point Forecast

[NOTICE]

Today
W 24kt
4ft
Tonight
W 27kt⇓
4ft
Friday
W 17kt
2-3ft
Friday Night
WNW 10kt
1-2ft
Saturday
⇑WSW 12kt
1-2ft
Saturday Night
W 12kt
2ft
Sunday
⇑NW 17kt
2ft
Sunday Night
NW 20kt
2ft
Monday
NW 18kt
2ft

Associated Zone Forecast which includes this point

Last Update: 8:58 am EST Dec 11, 2025
Forecast Valid: 9am EST Dec 11, 2025-6pm EST Dec 17, 2025

View Nearby Observations

Detailed Forecast

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

Today

W wind 20 to 24 kt, with gusts as high as 39 kt. Mostly sunny. Seas around 4 ft.

Tonight

W wind 24 to 27 kt decreasing to 19 to 22 kt after midnight. Winds could gust as high as 41 kt. Partly cloudy. Seas around 4 ft.

Friday

W wind 13 to 17 kt, with gusts as high as 26 kt. Mostly sunny. Seas 2 to 3 ft.

Friday Night

WNW wind 6 to 10 kt. Partly cloudy. Seas 1 to 2 ft.

Saturday

WSW wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. Partly sunny. Seas 1 to 2 ft.

Saturday Night

W wind 9 to 12 kt. Rain and snow likely after 1am, becoming all snow after 4am. Seas around 2 ft.

Sunday

NW wind 9 to 12 kt increasing to 14 to 17 kt in the afternoon. Winds could gust as high as 24 kt. Snow likely, mainly before 1pm. Seas around 2 ft.

Sunday Night

NW wind around 20 kt, with gusts as high as 27 kt. Partly cloudy. Seas around 2 ft.

Monday

NW wind 15 to 18 kt, with gusts as high as 24 kt. Mostly sunny. Seas around 2 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.