Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Hazardous Weather Conditions

Small Craft Advisory until March 20, 04:00 AM CDT

For More Weather Information:

Key West, FL Local Forecast Office

3NM WSW Islamorada FL

Marine Point Forecast

[NOTICE]

Tonight
Low: 64 °F
N 15kt
< 1ft
Friday
High: 73 °F
NE 15kt
< 1ft
Friday Night
Low: 64 °F
N 10kt
< 1ft
Saturday
High: 74 °F
N 10kt
< 1ft
Saturday Night
Low: 67 °F
Light Wind
< 1ft
Sunday
High: 75 °F
Light Wind
< 1ft
Sunday Night
Low: 70 °F
E 10kt
1ft
Monday
High: 77 °F
Light Wind
1ft
Monday Night
Low: 69 °F
N 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:15 pm CDT Mar 19, 2026
Forecast Valid: 10pm CDT Mar 19, 2026-6pm CDT Mar 26, 2026

View Nearby Observations

Detailed Forecast

Tonight

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

Friday

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

Friday Night

N wind around 10 kt. Mostly clear. Seas 1 ft or less.

Saturday

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

Saturday Night

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

Sunday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Sunday Night

E wind 5 to 10 kt becoming NE after midnight. Mostly clear. Seas around 1 ft.

Monday

Variable winds 5 kt or less. Sunny. Seas around 1 ft.

Monday Night

E wind 5 to 10 kt becoming N after midnight. Mostly clear. Seas around 1 ft.

*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.