Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

For More Weather Information:

Miami - South Florida Local Forecast Office

Key Biscayne FL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 79 °F
SSE 9kt
Tonight
Low: 71 °F
S 7kt⇓
Sunday
High: 78 °F
⇑NE 11kt
Sunday Night
Low: 72 °F
NE 14kt
Monday
High: 77 °F
NE 16kt
Monday Night
Low: 73 °F
ENE 22kt
Tuesday
High: 77 °F
E 21kt
Tuesday Night
Low: 74 °F
E 21kt
Wednesday
High: 78 °F
E 18kt

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:57 am EST Feb 28, 2026
Forecast Valid: 12pm EST Feb 28, 2026-6pm EST Mar 6, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SSE wind 7 to 9 kt. A slight chance of showers before 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm. Bay waters a light chop.

Tonight

S wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A slight chance of showers and thunderstorms, mainly between 10pm and midnight. Bay waters smooth.

Sunday

Variable winds less than 5 kt becoming NE 6 to 11 kt in the morning. A chance of showers and thunderstorms, mainly after 1pm. Bay waters smooth becoming a light chop.

Sunday Night

NE wind around 14 kt. A chance of showers and thunderstorms. Bay waters a moderate chop.

Monday

NE wind 13 to 16 kt. Mostly sunny. Bay waters a moderate chop.

Monday Night

ENE wind 20 to 22 kt. A slight chance of showers. Bay waters choppy in exposed areas.

Tuesday

E wind 19 to 21 kt. A chance of showers, mainly after 1pm. Bay waters choppy in exposed areas.

Tuesday Night

E wind 19 to 21 kt. A chance of showers. Bay waters choppy in exposed areas.

Wednesday

E wind 16 to 18 kt. A chance of showers, with thunderstorms also possible after 1pm. Bay waters choppy in exposed areas becoming a moderate chop.

Winds and waves higher in and near tstms.

*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.