Subtropical Storm Josephine Impacts the Eastern Seaboard; Pacific Storm Impacting the Southwest U.S.

Subtropical Storm Josephine will continue to bring significant coastal flooding impacts, dangerous marine conditions, and beach erosion along portions of the Eastern Seaboard. A Pacific storm will interact with tropical moisture and bring excessive rainfall, severe thunderstorms, and high elevation snow to California, the Southwest, and Four Corners region. Read More >

For More Weather Information:

Key West, FL Local Forecast Office

Boot Key Harbor FL

Marine Point Forecast

[NOTICE]

Today
High: 83 °F
NNE 10kt
< 1ft
Tonight
Low: 74 °F
NNE 10kt
< 1ft
Friday
High: 82 °F
NE 15kt
< 1ft
Friday Night
Low: 74 °F
NE 15kt
< 1ft
Saturday
High: 81 °F
NE 15kt
< 1ft
Saturday Night
Low: 73 °F
NNE 15kt
< 1ft
Sunday
High: 82 °F
NE 20kt
< 1ft
Sunday Night
Low: 75 °F
NE 25kt
< 1ft
Monday
High: 83 °F
NE 25kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:15 am CDT Oct 22, 2026
Forecast Valid: 6am CDT Oct 22, 2026-6pm CDT Oct 28, 2026

View Nearby Observations

Detailed Forecast

Today

NNE wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Tonight

NNE wind around 10 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.

Friday

NE wind 10 to 15 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Friday Night

NE wind around 15 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Saturday

NE wind 10 to 15 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Saturday Night

NNE wind around 15 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Sunday

NE wind 15 to 20 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Sunday Night

NE wind 20 to 25 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Monday

NE wind around 25 kt. A chance of showers and thunderstorms. 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.