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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 pm CDT Sep 15, 2014
Forecast Valid: 10pm CDT Sep 15, 2014-6pm CDT Sep 22, 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.
- SynopsisHIGH PRESSURE OVER 30.2 INCHES CENTERED OVER IOWA
AND SOUTHERN MINNESOTA WILL MOVE EAST ACROSS THE SOUTHERN LAKES
AND OHIO VALLEY TUESDAY THROUGH WEDNESDAY. LOW PRESSURE WILL
DEVELOP OVER JAMES BAY TONIGHT AND DEEPEN TO 29.3 INCHES AS IT
MOVES ACROSS NORTHERN QUEBEC TUESDAY AND TUESDAY NIGHT. ANOTHER
AREA OF HIGH PRESSURE WILL MOVE ACROSS MANITOBA AND ONTARIO ON
WEDNESDAY AND THEN ACROSS THE EASTERN LAKES AND SOUTHERN QUEBEC
THURSDAY INTO FRIDAY...AS SEVERAL LOWS ORGANIZE IN THE CENTRAL
PLAINS AND CANADIAN PRAIRIES.
- Tonight NNW wind 5 to 10 kt. Mostly clear. Waves around 1 ft.
- Tuesday NNW wind 5 to 10 kt becoming WNW in the afternoon. Sunny. Waves 1 to 2 ft.
- Tuesday Night WSW wind 5 to 10 kt. Clear. Waves around 1 ft.
- Wednesday W wind 5 to 10 kt. Sunny. Waves 1 to 2 ft.
- Wednesday Night Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
- Thursday E wind 5 to 10 kt. Mostly sunny. Waves 1 ft or less.
- Thursday Night ENE wind 10 to 15 kt becoming SE after midnight. Partly cloudy. Waves 1 to 2 ft.
- Friday S wind around 15 kt. A slight chance of showers and thunderstorms. Waves around 2 ft.
- Friday Night S wind 15 to 20 kt. A chance of showers and thunderstorms. Waves 3 to 4 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