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Miami - South Florida Local Forecast Office

21NM ESE Miami Beach FL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 88 °F
Light Wind
2ft
Tonight
Low: 83 °F
⇑ESE 6kt
2ft
Friday
High: 88 °F
SSE 7kt⇓
2ft
Friday Night
Low: 83 °F
SE 8kt
1-2ft
Independence Day
High: 88 °F
SSE 7kt
1ft
Saturday Night
Low: 83 °F
SE 9kt
1ft
Sunday
High: 88 °F
SE 7kt
1ft
Sunday Night
Low: 83 °F
SE 10kt
1ft
Monday
High: 88 °F
SE 8kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:31 pm EDT Jul 2, 2026
Forecast Valid: 3pm EDT Jul 2, 2026-6pm EDT Jul 8, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. A slight chance of showers and thunderstorms. Seas around 2 ft. Dominant period 6 seconds. .

Tonight

Variable winds less than 5 kt becoming ESE around 6 kt in the evening. A chance of showers and thunderstorms before 4am, then a slight chance of showers and thunderstorms after 5am. Seas around 2 ft. Dominant period 6 seconds. .

Friday

SSE wind 5 to 7 kt becoming variable and less than 5 kt. A slight chance of showers and thunderstorms before 11am. Seas around 2 ft. Dominant period 6 seconds. .

Friday Night

SE wind around 8 kt. A slight chance of showers and thunderstorms between 11pm and midnight. Seas 1 to 2 ft. Dominant period 5 seconds. .

Independence Day

SSE wind 5 to 7 kt. A chance of showers and thunderstorms before 2pm. Seas around 1 ft. .

Saturday Night

SE wind 7 to 9 kt. A chance of showers and thunderstorms after 2am. Seas around 1 ft. .

Sunday

SE wind 5 to 7 kt. A chance of showers and thunderstorms before 2pm. Seas around 1 ft. .

Sunday Night

SE wind around 10 kt. A chance of showers and thunderstorms, mainly after 2am. Seas around 1 ft. .

Monday

SE wind 6 to 8 kt. A chance of showers and thunderstorms, mainly before 2pm. Seas around 1 ft. .

Winds and seas 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.