Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

For More Weather Information:

Miami - South Florida Local Forecast Office

2NM SW Miami Beach FL

Marine Point Forecast

[NOTICE]

Today
High: 90 °F
SSE 12kt
Tonight
Low: 83 °F
SSE 10kt
Juneteenth
High: 90 °F
SSE 11kt
Friday Night
Low: 82 °F
SSE 9kt
Saturday
High: 89 °F
⇑SSE 8kt
Saturday Night
Low: 82 °F
S 6kt
Sunday
High: 90 °F
⇑SE 9kt
Sunday Night
Low: 83 °F
SSE 7kt⇓
Monday
High: 89 °F
⇑SE 9kt

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:56 am EDT Jun 18, 2026
Forecast Valid: 7am EDT Jun 18, 2026-6pm EDT Jun 24, 2026

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Detailed Forecast

Today

SSE wind 9 to 12 kt. Mostly sunny. Bay waters a light chop.

Tonight

SSE wind 8 to 10 kt. Partly cloudy. Bay waters a light chop.

Juneteenth

SSE wind around 11 kt. A slight chance of showers and thunderstorms between 11am and 1pm. Bay waters a light chop.

Friday Night

SSE wind 6 to 9 kt. A slight chance of showers and thunderstorms between 7pm and 2am. Bay waters a light chop becoming smooth.

Saturday

Variable winds less than 5 kt becoming SSE 5 to 8 kt in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Bay waters smooth.

Saturday Night

S wind around 6 kt becoming W in the evening. A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Bay waters smooth.

Sunday

Variable winds less than 5 kt becoming SE 5 to 9 kt in the afternoon. A chance of showers and thunderstorms after 2pm. Bay waters smooth becoming a light chop.

Sunday Night

SSE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms, mainly before 8pm. Bay waters smooth.

Monday

Variable winds less than 5 kt becoming SE 5 to 9 kt in the morning. A slight chance of showers and thunderstorms after 2pm. Bay waters smooth becoming a light 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.