Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

Grand Rapids, MI Local Forecast Office

6NM W Grand Haven MI

Marine Point Forecast

[NOTICE]

Today
High: 51 °F
WSW 18kt
5ft
Tonight
Low: 49 °F
SSW 20kt
5ft
Tuesday
High: 50 °F
SSW 19kt
3-5ft
Tuesday Night
Low: 44 °F
SSW 14kt
3ft
Wednesday
High: 52 °F
W 11kt
2ft
Wednesday Night
Low: 47 °F
S 17kt
2-3ft
Thursday
High: 51 °F
SSW 17kt
3-4ft
Thursday Night
Low: 44 °F
WNW 12kt
2-3ft
Friday
High: 57 °F
SSE 12kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:01 am CDT Apr 13, 2026
Forecast Valid: 8am CDT Apr 13, 2026-6pm CDT Apr 19, 2026

View Nearby Observations

Detailed Forecast

Today

WSW wind 9 to 18 kt becoming SSE in the afternoon. Patchy dense fog. Waves 5 ft subsiding to 2 ft.

Tonight

SSE wind 10 to 20 kt becoming SSW after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Patchy dense fog before 8pm. Waves 2 ft building to 5 ft.

Tuesday

SSW wind 14 to 19 kt. A chance of showers and thunderstorms, mainly after 4pm. Waves 3 to 5 ft.

Tuesday Night

SSW wind 12 to 14 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Waves around 3 ft.

Wednesday

W wind around 11 kt becoming S in the afternoon. A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Waves around 2 ft.

Wednesday Night

S wind 12 to 17 kt. Showers and possibly a thunderstorm. Waves 2 to 3 ft.

Thursday

SSW wind 15 to 17 kt. A chance of showers. Waves 3 to 4 ft.

Thursday Night

WNW wind 9 to 12 kt becoming N after midnight. Mostly cloudy. Waves 2 to 3 ft.

Friday

ESE wind 9 to 12 kt becoming S in the afternoon. Partly sunny. Waves around 1 ft.

*Notices:

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.