Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

For More Weather Information:

Buffalo, NY Local Forecast Office

Oswego NY

Marine Point Forecast

[NOTICE]

Today
High: 74 °F
Water: 72 °F
NE 7kt⇓
< 1ft
Tonight
Low: 65 °F
⇑S 7kt
< 1ft
Wednesday
High: 74 °F
WSW 11kt
< 1ft
Wednesday Night
Low: 65 °F
WNW 9kt
1ft
Thursday
High: 73 °F
⇑WNW 8kt
< 1ft
Thursday Night
Low: 62 °F
Light Wind
< 1ft
Friday
High: 75 °F
Light Wind
< 1ft
Friday Night
Low: 63 °F
⇑SE 6kt
< 1ft
Saturday
High: 78 °F
SE 8kt
< 1ft

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 am EDT Aug 18, 2026
Forecast Valid: 5am EDT Aug 18, 2026-6pm EDT Aug 24, 2026

View Nearby Observations

Detailed Forecast

Today

NE wind 5 to 7 kt becoming variable and less than 5 kt. Mostly sunny. Waves 1 ft or less.

Tonight

Variable winds less than 5 kt becoming S 5 to 7 kt after midnight. Partly cloudy. Waves 1 ft or less.

Wednesday

SSW wind 8 to 11 kt becoming W in the afternoon. A chance of showers, with thunderstorms also possible after 11am. Waves 1 ft or less.

Wednesday Night

WNW wind 6 to 9 kt. Partly cloudy. Waves around 1 ft.

Thursday

Variable winds less than 5 kt becoming WNW 5 to 8 kt in the morning. 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

Variable winds less than 5 kt becoming SE around 6 kt after midnight. Mostly clear. Waves 1 ft or less.

Saturday

SE wind around 8 kt. A chance of showers. 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.