Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

For More Weather Information:

Buffalo, NY Local Forecast Office

4NM NNW Irondequoit NY

Marine Point Forecast

[NOTICE]

Tonight
Low: 19 °F
Water: 45 °F
NNW 19kt
4-5ft

Small Craft Advisory
Monday
High: 24 °F
N 10kt⇓
3ft

Small Craft Advisory
Monday Night
Low: 16 °F
⇑S 9kt
< 1ft
Tuesday
High: 35 °F
⇑S 16kt
< 1ft
Tuesday Night
Low: 32 °F
SW 16kt
1ft
Wednesday
High: 41 °F
SW 19kt
1ft
Wednesday Night
Low: 28 °F
W 19kt
4ft
Thursday
High: 31 °F
W 16kt
2-3ft
Thursday Night
Low: 25 °F
W 12kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:36 pm EST Dec 7, 2025
Forecast Valid: 10pm EST Dec 7, 2025-6pm EST Dec 14, 2025

View Nearby Observations

Detailed Forecast

Tonight

NNW wind 15 to 19 kt. A chance of snow before 2am, then a slight chance of snow after 3am. Waves 4 to 5 ft.

Monday

N wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. A slight chance of snow showers before 7am. Waves 3 ft subsiding to 1 ft or less.

Monday Night

Variable winds less than 5 kt becoming S 5 to 9 kt in the evening. Partly cloudy. Waves 1 ft or less.

Tuesday

S wind 10 to 13 kt increasing to 13 to 16 kt in the afternoon. Winds could gust as high as 22 kt. Snow showers likely, mainly after 4pm. Waves 1 ft or less.

Tuesday Night

SW wind 13 to 16 kt, with gusts as high as 22 kt. Rain and snow showers, mainly after 1am. Waves around 1 ft.

Wednesday

S wind 15 to 19 kt becoming SW in the afternoon. Winds could gust as high as 26 kt. Rain, possibly mixed with snow, becoming all rain after 1pm. Waves around 1 ft.

Wednesday Night

WSW wind 17 to 19 kt becoming WNW in the evening. Rain and snow likely before 1am, then a chance of snow. Waves 2 ft building to 4 ft.

Thursday

W wind 14 to 16 kt. A chance of snow showers. Waves 2 to 3 ft.

Thursday Night

W wind 10 to 12 kt. A chance of snow showers. Waves around 1 ft.

The water temperature off Rochester is 43 degrees.

*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.