Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

For More Weather Information:

Key West, FL Local Forecast Office

Boot Key Harbor FL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 81 °F
E 10kt
< 1ft
Tonight
Low: 73 °F
E 10kt
< 1ft
Friday
High: 82 °F
NE 10kt
< 1ft
Friday Night
Low: 74 °F
E 10kt
< 1ft
Saturday
High: 82 °F
E 10kt
< 1ft
Saturday Night
Low: 74 °F
E 10kt
< 1ft
Sunday
High: 83 °F
Light Wind
< 1ft
Sunday Night
Low: 74 °F
Light Wind
< 1ft
Monday
High: 82 °F
N 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:15 pm CDT Apr 16, 2026
Forecast Valid: 5pm CDT Apr 16, 2026-6pm CDT Apr 23, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

E wind around 10 kt. Mostly sunny. Seas 1 ft or less.

Tonight

E wind around 10 kt. Partly cloudy. Seas 1 ft or less.

Friday

NE wind around 10 kt. Mostly sunny. Seas 1 ft or less.

Friday Night

E wind around 10 kt. A slight chance of showers. Seas 1 ft or less.

Saturday

E wind around 10 kt. Sunny. Seas 1 ft or less.

Saturday Night

E wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

Monday

N wind 5 to 10 kt becoming NE in the afternoon. Mostly sunny. Seas 1 ft or less.

*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.