National Weather Service United States Department of Commerce

Strong storm system to bring unsettled weather from Gulf Coast to Great Lakes through Wednesday

A strong storm system will bring potential for severe weather, heavy rainfall and flooding, and heavy snow from the Gulf Coast to the Great Lakes through Wednesday. Severe storms are possible Tuesday across the Gulf Coast states with damaging winds as the primary threat, however a tornadoes cannot be ruled out. Flash flooding is also possible across parts of the Southeast through Wednesday.
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8NM NE Waimanalo Beach HI

Marine Point Forecast [NOTICE]

Tonight

Heavy Rain

NNE 21kt
14ft

Low: 74 °F

Small Craft Advisory
Small Craft Advisory

Tuesday

Heavy Rain

NNE 25kt
15ft

High: 78 °F

Small Craft Advisory
Small Craft Advisory

Tuesday
Night

Heavy Rain

ENE 22kt
11-12ft

Low: 74 °F

Small Craft Advisory
Small Craft Advisory

Wednesday

Heavy Rain

E 22kt
9-10ft

High: 78 °F

Wednesday
Night

Heavy Rain

E 19kt
8-9ft

Low: 74 °F

Christmas
Day

Scattered Showers

ESE 15kt
6ft

High: 78 °F

Thursday
Night

Scattered Showers

N 13kt
4-5ft

Low: 74 °F

Friday

Scattered Showers

NNW 12kt
4ft

High: 78 °F

Friday
Night

Scattered Showers

NNW 14kt
6ft

Low: 74 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:02 pm HST Dec 22, 2014
Forecast Valid: 7pm HST Dec 22, 2014-6pm HST Dec 29, 2014

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM HST WEDNESDAY...

  • SynopsisA STATIONARY FRONT LIES ACROSS THE CENTRAL PORTION OF THE STATE. THIS FRONT WILL BE A FOCUS FOR ACTIVE AND POSSIBLY HAZARDOUS WEATHER THROUGH THE NEXT FEW DAYS OVER ALL COASTAL WATERS WITH LOCALLY STRONG WINDS AND HIGH SEAS AS WELL AS THE THREAT FOR STRONG THUNDERSTORMS.
  • Tonight NNE wind 19 to 21 kt, with gusts as high as 27 kt. Showers likely and possibly a thunderstorm. Some of the storms could produce small hail, gusty winds, and heavy rain. Mixed swell...NW 12 ft at 15 seconds and SSW 1 ft at 14 seconds. Waves around 14 ft.
  • Tuesday NNE wind 21 to 25 kt, with gusts as high as 32 kt. Showers and thunderstorms likely. Some of the storms could produce heavy rainfall. Mixed swell...NW 10 to 11 ft at 14 seconds and S 1 ft at 13 seconds. Waves around 15 ft.
  • Tuesday Night ENE wind around 22 kt, with gusts as high as 28 kt. Showers and thunderstorms likely. Some of the storms could produce heavy rainfall. Mixed swell...NW 8 to 9 ft at 13 seconds and S 1 ft at 13 seconds. Waves 11 to 12 ft.
  • Wednesday E wind 18 to 22 kt, with gusts as high as 28 kt. Showers and thunderstorms likely before noon, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Mixed swell...NW 7 ft and S 1 ft. Waves 9 to 10 ft.
  • Wednesday Night E wind around 19 kt. Showers and thunderstorms likely. Some of the storms could produce heavy rainfall. Mixed swell...NNW 5 ft and S 1 ft. Waves 8 to 9 ft.
  • Christmas Day ESE wind 13 to 15 kt becoming N in the afternoon. Scattered showers. Mixed swell...NNW 4 ft and S 1 ft. Waves around 6 ft.
  • Thursday Night N wind around 13 kt. Scattered showers. Mixed swell...NNW 3 ft and S 1 ft. Waves 4 to 5 ft.
  • Friday NNW wind around 12 kt. Scattered showers. Mixed swell...NW 3 ft and S 1 ft. Waves around 4 ft.
  • Friday Night NNW wind around 14 kt. Scattered showers. Mixed swell...NW 4 ft and S 1 ft. Waves around 6 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.