Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

For More Weather Information:

Buffalo, NY Local Forecast Office

Oswego NY

Marine Point Forecast

[NOTICE]

Tonight
Low: 65 °F
Water: 72 °F
WNW 6kt⇓
< 1ft
Thursday
High: 73 °F
⇑WNW 6kt
< 1ft
Thursday Night
Low: 60 °F
Light Wind
< 1ft
Friday
High: 75 °F
Light Wind
< 1ft
Friday Night
Low: 63 °F
SE 7kt
< 1ft
Saturday
High: 77 °F
SE 8kt
< 1ft
Saturday Night
Low: 64 °F
SSE 8kt
< 1ft
Sunday
High: 73 °F
W 13kt
2ft
Sunday Night
Low: 60 °F
W 10kt
2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:57 pm EDT Aug 19, 2026
Forecast Valid: 6pm EDT Aug 19, 2026-6pm EDT Aug 26, 2026

View Nearby Observations

Detailed Forecast

Tonight

WNW wind around 6 kt becoming variable and less than 5 kt. Partly cloudy. Waves 1 ft or less.

Thursday

Variable winds less than 5 kt becoming WNW around 6 kt in the afternoon. Partly sunny. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Friday Night

NE wind 5 to 7 kt becoming SE after midnight. Mostly clear. Waves 1 ft or less.

Saturday

SE wind around 8 kt. A chance of showers and thunderstorms after 2pm. Waves 1 ft or less.

Saturday Night

SSE wind 6 to 8 kt. A chance of showers, then showers likely and possibly a thunderstorm after 8pm. Waves 1 ft or less.

Sunday

W wind 10 to 13 kt. Showers likely, with thunderstorms also possible after 2pm. Waves 1 ft or less building to 2 ft.

Sunday Night

W wind around 10 kt. A chance of showers and thunderstorms. Waves around 2 ft.

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.