National Weather Service United States Department of Commerce

Flash flooding possible for parts of Upper Midwest

A slow-moving weather system progressing from the northern Plains to the Great Lakes will bring excessive rainfall and a risk of flash flooding to portions of the Upper Midwest on Friday. The heaviest rainfall is expected from central Iowa northeastward across southeastern Minn. and into Wisc. Rainfall totals of 1-2 inches, with locally-higher amounts, are possible through Saturday morning.
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11NM SSE Annapolis MD

Marine Point Forecast [NOTICE]

This
Afternoon

Mostly Sunny

NE 6kt
< 1ft

Tonight

Partly Cloudy

SE 9kt
< 1ft

Saturday

Partly Sunny

SSE 10kt
< 1ft

Saturday
Night

Mostly Cloudy

S 9kt
1ft

Sunday

Chance Thunderstorms

S 10kt
1ft

Sunday
Night

Chance Thunderstorms

SSW 8kt
< 1ft

Labor
Day

Chance Thunderstorms

WSW 8kt
< 1ft

Monday
Night

Chance Thunderstorms

S 7kt
< 1ft

Tuesday

Mostly Sunny

WSW 7kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 10:32 am EDT Aug 29, 2014
Forecast Valid: 1pm EDT Aug 29, 2014-6pm EDT Sep 4, 2014

View Nearby Observations

Detailed Forecast

FORECASTS OF WAVE HEIGHTS DO NOT INCLUDE EFFECTS OF WIND DIRECTION RELATIVE TO TIDAL CURRENTS. EXPECT HIGHER WAVES WHEN WINDS ARE BLOWING AGAINST THE TIDAL FLOW.

  • SynopsisHIGH PRESSURE OVER THE NORTHEAST STATES TODAY WILL PUSH OFFSHORE FOR THE WEEKEND. A WARM FRONT WILL LIFT NORTH ACROSS THE WATERS LATE SATURDAY. A SMALL CRAFT ADVISORY MAY BE NEEDED FOR A PORTION OF THE WATERS SUNDAY.
  • This Afternoon NE wind around 6 kt. Mostly sunny. Seas 1 ft or less.
  • Tonight SE wind 6 to 9 kt. Partly cloudy. Seas 1 ft or less.
  • Saturday SSE wind 6 to 10 kt. Partly sunny. Seas 1 ft or less.
  • Saturday Night S wind around 9 kt. Mostly cloudy. Seas around 1 ft.
  • Sunday S wind around 10 kt. A chance of showers and thunderstorms after 2pm. Seas around 1 ft.
  • Sunday Night SSW wind 5 to 8 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
  • Labor Day WSW wind around 8 kt. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
  • Monday Night S wind around 7 kt becoming WSW after midnight. A chance of showers and thunderstorms. Seas 1 ft or less.
  • Tuesday WSW wind around 7 kt. Mostly sunny. Seas 1 ft or less.

WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.

*Notices:
  1. 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.
  2. 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.