Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

Buffalo, NY Local Forecast Office

14NM NNE Olcott NY

Marine Point Forecast

[NOTICE]

Overnight
Low: 68 °F
Water: 68 °F
S 10kt
< 1ft
Tuesday
High: 72 °F
ENE 16kt
1-2ft
Tuesday Night
Low: 67 °F
⇑N 23kt
5ft
Wednesday
High: 71 °F
N 21kt
3-4ft
Wednesday Night
Low: 66 °F
N 15kt
2ft
Thursday
High: 73 °F
N 14kt⇓
2ft
Thursday Night
Low: 67 °F
WNW 8kt
< 1ft
Friday
High: 73 °F
N 6kt⇓
< 1ft
Friday Night
Low: 69 °F
SSW 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: 9:58 pm EDT Jul 27, 2026
Forecast Valid: 11pm EDT Jul 27, 2026-6pm EDT Aug 3, 2026

View Nearby Observations

Detailed Forecast

Overnight

S wind 8 to 10 kt becoming SE after midnight. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Waves 1 ft or less.

Tuesday

SE wind 14 to 16 kt becoming NE in the afternoon. Showers and possibly a thunderstorm, mainly before 11am, then a chance of showers and thunderstorms after 11am. Waves 1 to 2 ft.

Tuesday Night

N wind 16 to 19 kt increasing to 20 to 23 kt after midnight. Showers likely and possibly a thunderstorm. Waves 3 ft building to 5 ft.

Wednesday

N wind 16 to 21 kt. Showers likely, with thunderstorms also possible after 2pm. Waves 3 to 4 ft.

Wednesday Night

N wind around 15 kt, with gusts as high as 21 kt. A chance of showers and thunderstorms. Waves around 2 ft.

Thursday

N wind 11 to 14 kt becoming WNW 6 to 9 kt in the afternoon. A slight chance of showers before 8am. Waves 2 ft subsiding to 1 ft or less.

Thursday Night

WNW wind around 8 kt becoming NNW after midnight. Partly cloudy. Waves 1 ft or less.

Friday

N wind around 6 kt becoming variable and less than 5 kt in the morning. Sunny. Waves 1 ft or less.

Friday Night

SSW wind around 6 kt. Partly cloudy. 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.