Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from May 21, 07:00 AM EDT until May 21, 06:00 PM EDT

For More Weather Information:

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

17NM ENE Baltimore MD

Marine Point Forecast

[NOTICE]

Thursday
NNE 10kt
< 1ft

Small Craft Advisory
Thursday Night
ENE 7kt
< 1ft
Friday
E 12kt
< 1ft
Friday Night
E 11kt
< 1ft
Saturday
ENE 12kt
< 1ft
Saturday Night
ENE 10kt
< 1ft
Sunday
Light Wind
< 1ft
Sunday Night
Light Wind
< 1ft
Memorial Day
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 2:22 am EDT May 21, 2026
Forecast Valid: 4am EDT May 21, 2026-6pm EDT May 27, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT THIS MORNING THROUGH

Thursday

NNE wind 8 to 10 kt, with gusts as high as 18 kt. A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 4pm, then a chance of showers and thunderstorms after 4pm. Waves 1 ft or less.

Thursday Night

ENE wind 5 to 7 kt. A chance of showers, mainly before 4am. Waves 1 ft or less.

Friday

E wind 10 to 12 kt, with gusts as high as 20 kt. Showers likely, mainly after 2pm. Waves 1 ft or less.

Friday Night

E wind 7 to 11 kt, with gusts as high as 18 kt. Showers. Waves 1 ft or less.

Saturday

ENE wind around 12 kt, with gusts as high as 21 kt. Showers. Waves 1 ft or less.

Saturday Night

ENE wind 7 to 10 kt. Showers and possibly a thunderstorm before 2am, then showers likely. Waves 1 ft or less.

Sunday

Variable winds 5 kt or less. Showers likely, mainly before 8am. Waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. A chance of showers. Waves 1 ft or less.

Memorial Day

Variable winds 5 kt or less. Showers likely. Waves 1 ft or less.

*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.