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 >

Hazardous Weather Conditions

Small Craft Advisory in effect from June 18, 12:00 AM EDT until June 18, 08:00 PM EDT

For More Weather Information:

Baltimore, MD/Washington, D.C. Local Forecast Office

47NM SW Annapolis MD

Marine Point Forecast

[NOTICE]

Thursday
SW 17kt
1-2ft

Small Craft Advisory
Thursday Night
W 11kt⇓
1ft
Juneteenth
⇑NW 6kt
1ft
Friday Night
NW 7kt
1ft
Saturday
⇑WNW 9kt
1ft
Saturday Night
Light Wind
< 1ft
Sunday
Light Wind
< 1ft
Sunday Night
Light Wind
1ft
Monday
SW 10kt
1ft

Associated Zone Forecast which includes this point

Last Update: 2:22 am EDT Jun 18, 2026
Forecast Valid: 4am EDT Jun 18, 2026-6pm EDT Jun 24, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

Thursday

SSW wind 12 to 17 kt becoming WSW in the afternoon. Winds could gust as high as 26 kt. A chance of showers and thunderstorms after 2pm. Waves 1 to 2 ft.

Thursday Night

W wind 6 to 11 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Waves around 1 ft.

Juneteenth

Variable winds less than 5 kt becoming NW around 6 kt in the afternoon. Showers and thunderstorms before 11am, then a slight chance of showers between 11am and noon. Waves around 1 ft.

Friday Night

NW wind 5 to 7 kt. Clear. Waves around 1 ft.

Saturday

Variable winds less than 5 kt becoming WNW 5 to 9 kt in the morning. Sunny. Waves around 1 ft.

Saturday Night

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

Sunday

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

Sunday Night

Variable winds 5 kt or less. A slight chance of showers and thunderstorms, then a chance of showers after 2am. Waves around 1 ft.

Monday

S wind 6 to 10 kt becoming WSW in the afternoon. Winds could gust as high as 18 kt. Showers likely, then showers and possibly a thunderstorm after 2pm. Waves around 1 ft.

Winds and waves higher and visibilities lower 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.