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]

Overnight
Low: 66 °F
Water: 72 °F
SSW 7kt
< 1ft
Wednesday
High: 74 °F
SW 10kt
< 1ft
Wednesday Night
Low: 65 °F
W 8kt
1ft
Thursday
High: 72 °F
W 8kt
< 1ft
Thursday Night
Low: 62 °F
Light Wind
< 1ft
Friday
High: 74 °F
Light Wind
< 1ft
Friday Night
Low: 62 °F
⇑SE 6kt
< 1ft
Saturday
High: 79 °F
SSE 8kt
< 1ft
Saturday Night
Low: 64 °F
SSE 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: 9:57 pm EDT Aug 18, 2026
Forecast Valid: 12am EDT Aug 19, 2026-6pm EDT Aug 25, 2026

View Nearby Observations

Detailed Forecast

Overnight

SSW wind 5 to 7 kt. Partly cloudy. Waves 1 ft or less.

Wednesday

SSW wind 8 to 10 kt becoming W in the afternoon. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms, mainly between 2pm and 4pm. Waves 1 ft or less.

Wednesday Night

W wind 6 to 8 kt becoming NW after midnight. A slight chance of showers between 7pm and 8pm. Waves around 1 ft.

Thursday

NW wind 5 to 8 kt becoming W in the afternoon. 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

SSE wind around 8 kt. A chance of showers. Waves 1 ft or less.

Saturday Night

SSE wind around 8 kt. A chance of showers before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. 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.