Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

For More Weather Information:

Buffalo, NY Local Forecast Office

Oswego NY

Marine Point Forecast

[NOTICE]

Overnight
Low: 64 °F
Water: 61 °F
Light Wind
< 1ft
Monday
High: 79 °F
⇑N 9kt
< 1ft
Monday Night
Low: 66 °F
⇑SSE 6kt
< 1ft
Tuesday
High: 81 °F
S 6kt
< 1ft
Tuesday Night
Low: 70 °F
⇑S 7kt
< 1ft
Wednesday
High: 81 °F
WSW 6kt
< 1ft
Wednesday Night
Low: 70 °F
WSW 6kt
< 1ft
Thursday
High: 82 °F
WSW 7kt
< 1ft
Thursday Night
Low: 70 °F
WSW 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 Jun 28, 2026
Forecast Valid: 12am EDT Jun 29, 2026-6pm EDT Jul 5, 2026

View Nearby Observations

Detailed Forecast

Overnight

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

Monday

Variable winds less than 5 kt becoming N 5 to 9 kt in the afternoon. Sunny. Waves 1 ft or less.

Monday Night

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

Tuesday

S wind around 6 kt. A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Waves 1 ft or less.

Tuesday Night

Variable winds less than 5 kt becoming S 5 to 7 kt in the evening. A chance of showers and thunderstorms before 2am. Waves 1 ft or less.

Wednesday

WSW wind around 6 kt. Mostly sunny. Waves 1 ft or less.

Wednesday Night

WSW wind around 6 kt. Partly cloudy. Waves 1 ft or less.

Thursday

WSW wind around 7 kt. Sunny. Waves 1 ft or less.

Thursday Night

WSW wind around 6 kt. A chance of showers. Waves 1 ft or less.

Winds and waves higher in and near thunderstorms.

The water temperature off Rochester is 54 degrees.

*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.