Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

Buffalo, NY Local Forecast Office

Oswego NY

Marine Point Forecast

[NOTICE]

Overnight
Low: 66 °F
Water: 72 °F
Light Wind
< 1ft
Thursday
High: 74 °F
WNW 9kt
< 1ft
Thursday Night
Low: 65 °F
W 6kt⇓
< 1ft
Friday
High: 72 °F
⇑N 7kt
< 1ft
Friday Night
Low: 61 °F
Light Wind
< 1ft
Saturday
High: 72 °F
N 6kt
< 1ft
Saturday Night
Low: 60 °F
Light Wind
< 1ft
Sunday
High: 76 °F
SSE 7kt
< 1ft
Sunday Night
Low: 65 °F
NNW 6kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:57 pm EDT Aug 12, 2026
Forecast Valid: 11pm EDT Aug 12, 2026-6pm EDT Aug 19, 2026

View Nearby Observations

Detailed Forecast

Overnight

Variable winds 5 kt or less. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Waves 1 ft or less.

Thursday

WNW wind 5 to 9 kt. Mostly sunny. Waves 1 ft or less.

Thursday Night

W wind around 6 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Waves 1 ft or less.

Friday

Variable winds less than 5 kt becoming N 5 to 7 kt in the afternoon. Mostly cloudy through mid morning, then becoming sunny. Waves 1 ft or less.

Friday Night

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

Saturday

E wind around 6 kt becoming N in the afternoon. Sunny. Waves 1 ft or less.

Saturday Night

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

Sunday

SSE wind 5 to 7 kt becoming SSW in the afternoon. A chance of showers. Waves 1 ft or less.

Sunday Night

WNW wind around 6 kt becoming N in the evening. 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.