National Weather Service United States Department of Commerce

Flash flooding possible across parts of Midwest

Showers and thunderstorms ahead of a strong cold front moving across the Midwest on Friday are expected to produce rainfall rates of 1-2 inches per hour, creating a risk of flash flooding across parts of southern Minnesota and northern and central Iowa. The flash flooding risk will continue into Saturday and move eastward, into the Ohio Valley.
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9NM ESE Waimanalo Beach HI

Marine Point Forecast [NOTICE]

Today

Isolated Showers

ENE 16kt
5-6ft

High: 79 °F

Tonight

Isolated Showers

ENE 16kt
5ft

Low: 78 °F

Saturday

Isolated Showers

ENE 15kt
5ft

High: 80 °F

Saturday
Night

Isolated Showers

ENE 15kt
5-6ft

Low: 78 °F

Sunday

Scattered Showers

ENE 15kt
6ft

High: 80 °F

Sunday
Night

Scattered Showers

ENE 16kt
5-6ft

Low: 78 °F

Monday

Isolated Showers

ENE 16kt
5ft

High: 79 °F

Monday
Night

Isolated Showers

ENE 17kt
6ft

Low: 78 °F

Tuesday

Isolated Showers

ENE 18kt
7ft

High: 79 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:02 am HST Jul 25, 2014
Forecast Valid: 11am HST Jul 25, 2014-6pm HST Jul 31, 2014

View Nearby Observations

Detailed Forecast



  • SynopsisHIGH PRESSURE TO THE NORTH WILL MAINTAIN MODERATE TRADE WINDS THROUGH THE WEEKEND THEN STRENGTHEN A BIT EARLY NEXT WEEK.
  • Today ENE wind around 16 kt. Isolated showers before noon. Mixed swell...SSW 1 ft at 16 seconds and SSE 2 ft at 10 seconds. Waves 5 to 6 ft.
  • Tonight ENE wind around 16 kt. Isolated showers before midnight. Mixed swell...SSW 1 ft at 16 seconds and SSE 2 ft at 10 seconds. Waves around 5 ft.
  • Saturday ENE wind around 15 kt. Isolated showers before noon. Mixed swell...SSW 1 to 2 ft at 20 seconds and SSE 2 ft at 9 seconds. Waves around 5 ft.
  • Saturday Night ENE wind around 15 kt. Isolated showers. Mixed swell...SSW 2 ft and SSE 2 ft. Waves 5 to 6 ft.
  • Sunday ENE wind around 15 kt. Scattered showers. Mixed swell...SSW 2 ft and SSE 2 ft. Waves around 6 ft.
  • Sunday Night ENE wind around 16 kt. Scattered showers. Mixed swell...SSW 2 ft and SSE 2 ft. Waves 5 to 6 ft.
  • Monday ENE wind around 16 kt. Isolated showers. Mixed swell...SSW 1 ft and SSE 2 ft. Waves around 5 ft.
  • Monday Night ENE wind around 17 kt. Isolated showers. Mixed swell...SSW 1 ft and SSE 2 ft. Waves around 6 ft.
  • Tuesday ENE wind around 18 kt. Isolated showers. Mixed swell...SSW 2 ft and SSE 2 ft. Waves around 7 ft.
*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.