Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

Buffalo, NY Local Forecast Office

Oswego NY

Marine Point Forecast

[NOTICE]

Wednesday
High: 73 °F
Water: 55 °F
SSE 9kt
< 1ft
Wednesday Night
Low: 62 °F
⇑SE 13kt
< 1ft
Thursday
High: 75 °F
S 20kt
1-2ft
Thursday Night
Low: 58 °F
W 20kt
4ft
Juneteenth
High: 68 °F
W 19kt
5ft
Friday Night
Low: 56 °F
W 20kt
4-5ft
Saturday
High: 66 °F
W 20kt
4-5ft
Saturday Night
Low: 56 °F
W 14kt
4ft
Sunday
High: 66 °F
W 10kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:22 am EDT Jun 17, 2026
Forecast Valid: 3am EDT Jun 17, 2026-6pm EDT Jun 23, 2026

View Nearby Observations

Detailed Forecast

Wednesday

SSE wind 5 to 9 kt becoming SW in the afternoon. A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Waves 1 ft or less.

Wednesday Night

Variable winds less than 5 kt becoming SE 8 to 13 kt in the evening. Winds could gust as high as 23 kt. Showers and possibly a thunderstorm. Waves 1 ft or less.

Thursday

S wind 15 to 20 kt becoming WSW in the afternoon. Winds could gust as high as 31 kt. Showers and thunderstorms likely before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Waves 1 to 2 ft.

Thursday Night

W wind 18 to 20 kt, with gusts as high as 30 kt. A chance of showers and thunderstorms before 8pm. Waves around 4 ft.

Juneteenth

W wind 16 to 19 kt, with gusts as high as 30 kt. Sunny. Waves around 5 ft.

Friday Night

W wind 18 to 20 kt, with gusts as high as 27 kt. Partly cloudy. Waves 4 to 5 ft.

Saturday

W wind around 20 kt, with gusts as high as 28 kt. Mostly sunny. Waves 4 to 5 ft.

Saturday Night

W wind 10 to 14 kt, with gusts as high as 21 kt. Partly cloudy. Waves 4 ft subsiding to 2 ft.

Sunday

W wind around 10 kt. Mostly sunny. Waves 1 to 2 ft.

Winds and waves higher in and near thunderstorms.

The water temperature off Rochester is 60 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.