Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Plains and Mississippi Valley

A heat wave over the Southwest will intensify late week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rain are expected over portions of the Plains and Mississippi Valley tonight, which will shift to parts of the Upper Midwest and mid-Mississippi Valley Friday. Monsoonal showers and flooding persist in the Desert Southwest. Read More >

For More Weather Information:

Buffalo, NY Local Forecast Office

Oswego NY

Marine Point Forecast

[NOTICE]

Overnight
Low: 67 °F
Water: 72 °F
W 6kt⇓
< 1ft
Friday
High: 75 °F
WSW 7kt
< 1ft
Friday Night
Low: 66 °F
Light Wind
< 1ft
Saturday
High: 79 °F
SSE 6kt⇓
< 1ft
Saturday Night
Low: 68 °F
⇑SSE 6kt
< 1ft
Sunday
High: 73 °F
S 9kt
< 1ft
Sunday Night
Low: 65 °F
N 8kt
< 1ft
Monday
High: 75 °F
N 10kt
1ft
Monday Night
Low: 64 °F
WNW 7kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:58 pm EDT Jul 30, 2026
Forecast Valid: 11pm EDT Jul 30, 2026-6pm EDT Aug 6, 2026

View Nearby Observations

Detailed Forecast

Overnight

W wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Friday

WSW wind 5 to 7 kt. Sunny. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Saturday

SSE wind around 6 kt becoming variable and less than 5 kt in the afternoon. Partly sunny. Waves 1 ft or less.

Saturday Night

Variable winds less than 5 kt becoming SSE around 6 kt in the evening. A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Waves 1 ft or less.

Sunday

S wind around 9 kt. Showers and possibly a thunderstorm. Waves 1 ft or less.

Sunday Night

WSW wind around 8 kt becoming N after midnight. Showers likely before 2am. Waves 1 ft or less.

Monday

NNE wind around 10 kt becoming NNW in the afternoon. Partly sunny. Waves around 1 ft.

Monday Night

WNW wind 5 to 7 kt becoming WSW after midnight. Partly cloudy. Waves 1 ft or less.

Winds and waves higher in and near thunderstorms.

*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.