Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from December 9, 09:00 PM EST until December 13, 06:00 PM EST

For More Weather Information:

Buffalo, NY Local Forecast Office

Oswego NY

Marine Point Forecast

[NOTICE]

Tuesday
High: 31 °F
Water: 43 °F
⇑S 17kt
< 1ft
Tuesday Night
Low: 27 °F
S 19kt
1ft

Small Craft Advisory
Wednesday
High: 39 °F
SSW 18kt
1ft

Small Craft Advisory
Wednesday Night
Low: 26 °F
WNW 22kt
5ft

Small Craft Advisory
Thursday
High: 29 °F
WNW 25kt
5ft

Small Craft Advisory
Thursday Night
Low: 24 °F
WNW 22kt
5ft

Small Craft Advisory
Friday
High: 32 °F
WNW 17kt
3-4ft

Small Craft Advisory
Friday Night
Low: 25 °F
WSW 12kt
2-3ft

Small Craft Advisory
Saturday
High: 32 °F
⇑WSW 23kt
5ft

Small Craft Advisory

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:18 am EST Dec 9, 2025
Forecast Valid: 2am EST Dec 9, 2025-6pm EST Dec 15, 2025

View Nearby Observations

Detailed Forecast

Tuesday

S wind 10 to 13 kt increasing to 14 to 17 kt in the afternoon. Winds could gust as high as 23 kt. Snow likely, mainly after 5pm. Waves 1 ft or less.

Tuesday Night

S wind 15 to 19 kt, with gusts as high as 26 kt. Snow likely, mainly after 5am. Waves around 1 ft.

Wednesday

SSE wind 16 to 18 kt becoming SSW in the afternoon. Winds could gust as high as 27 kt. Rain, possibly mixed with snow, becoming all rain after 4pm. Waves around 1 ft.

Wednesday Night

SW wind 19 to 22 kt becoming WNW after midnight. Winds could gust as high as 29 kt. Rain showers before 7pm, then rain and snow showers between 7pm and 10pm, then snow showers after 10pm. Waves 3 ft building to 5 ft.

Thursday

WNW wind 21 to 25 kt. Snow showers likely. Waves around 5 ft.

Thursday Night

WNW wind 18 to 22 kt. A chance of snow showers. Waves around 5 ft.

Friday

WNW wind 14 to 17 kt. A chance of snow showers. Waves 3 to 4 ft.

Friday Night

WSW wind around 12 kt becoming SSW after midnight. Snow showers likely. Waves 2 to 3 ft.

Saturday

WSW wind 15 to 18 kt increasing to 20 to 23 kt in the afternoon. Snow showers likely. Waves 2 ft building to 5 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.