Severe weather possible across parts of Northeast, Ozarks, Intermountain West to northern Rockies
The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Wednesday afternoon and evening for three separate areas across the U.S. One area covers parts of the Northeast and New England. Another area is across parts of the Ozarks. The third area stretches across parts of the Intermountain West, northern Rookies and northern Plains.
25NM WSW Grand Haven MI
Marine Point Forecast [NOTICE]
High and low forecast temperature values represent air temperature.
Water temperature forecast is experimental.
Associated Zone Forecast which includes this point
Last Update: 9:02 am CDT Jul 23, 2014
Forecast Valid: 10am CDT Jul 23, 2014-6pm CDT Jul 29, 2014
WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES WHICH WILL OCCASIONALLY BE ENCOUNTERED.
- SynopsisLOW PRESSURE OF 29.6 INCHES LIES OVER QUEBEC WITH A
COLD FRONT EXTENDING SOUTHWEST ACROSS THE EASTERN GREAT LAKES
INTO SOUTH CENTRAL ILLINOIS. HIGH PRESSURE OF 30.3 INCHES LIES
OVER THE CANADIAN PRAIRIES EXTENDING SOUTH INTO THE NORTHERN
PLAINS. THE LOW WILL LIFT ACROSS THE CANADIAN MARITIMES TODAY
WHILE THE HIGH WILL BEGIN BUILDING OVER LAKE MICHIGAN BY LATE
TONIGHT...AND THEN MOVE TO THE SOUTH OF LAKE MICHIGAN BY THURSDAY
NIGHT. MEANWHILE...ANOTHER LOW OF 29.4 INCHES WILL MOVE ACROSS THE
CANADIAN PRAIRIES THURSDAY NIGHT...WEAKENING TO 29.7 INCHES
SATURDAY AS IT DRIFTS OVER THE NORTHERN LAKES...THEN SPREADS INTO
THE EASTERN GREAT LAKES ON SUNDAY.
- Today N wind around 20 kt, with gusts as high as 30 kt. Sunny. Waves around 6 ft.
- Tonight NNE wind 10 to 20 kt. Mostly clear. Waves 6 ft subsiding to 3 ft.
- Thursday NNE wind around 10 kt becoming NNW in the afternoon. Sunny. Waves 2 to 3 ft.
- Thursday Night Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
- Friday SSW wind around 10 kt. A slight chance of showers and thunderstorms after 1pm. Waves 1 to 2 ft.
- Friday Night S wind 10 to 15 kt. A chance of showers and thunderstorms. Waves 2 to 3 ft.
- Saturday S wind around 10 kt becoming SW in the afternoon. A chance of showers and thunderstorms. Waves 2 to 3 ft.
- Saturday Night W wind around 10 kt. A slight chance of showers and thunderstorms. Waves around 1 ft.
- Sunday W wind around 10 kt. A chance of showers and thunderstorms. Waves around 1 ft.
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.
HOURLY WEATHER GRAPH
NATIONAL DIGITAL FORECAST DATABASE