Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

For More Weather Information:

Key West, FL Local Forecast Office

3NM S Content Keys FL

Marine Point Forecast

[NOTICE]

Tonight
Low: 81 °F
E 10kt
< 1ft
Columbus Day
High: 88 °F
NE 10kt
< 1ft
Monday Night
Low: 78 °F
NE 15kt
< 1ft
Tuesday
High: 87 °F
NE 15kt
< 1ft
Tuesday Night
Low: 79 °F
ENE 15kt
< 1ft
Wednesday
High: 87 °F
NE 15kt
< 1ft
Wednesday Night
Low: 80 °F
E 15kt
1ft
Thursday
High: 88 °F
E 10kt
< 1ft
Thursday Night
Low: 80 °F
E 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:15 pm CDT Oct 11, 2026
Forecast Valid: 6pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026

View Nearby Observations

Detailed Forecast

Tonight

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

Columbus Day

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

Monday Night

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

Tuesday

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

Tuesday Night

ENE wind 10 to 15 kt. A slight chance of showers. Seas 1 ft or less.

Wednesday

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

Wednesday Night

E wind 10 to 15 kt. A chance of showers and thunderstorms. Seas around 1 ft.

Thursday

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

Thursday Night

E wind around 10 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.