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

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. 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: 52 °F
WSW 12kt
2-3ft
Tonight
Low: 45 °F
S 14kt
2-3ft
Wednesday
High: 52 °F
S 11kt
2ft
Wednesday Night
Low: 45 °F
SSW 13kt
2ft
Thursday
High: 49 °F
WSW 14kt
2-3ft
Thursday Night
Low: 42 °F
NW 10kt
1-2ft
Friday
High: 55 °F
SSE 10kt
< 1ft
Friday Night
Low: 46 °F
SSE 22kt
5ft
Saturday
High: 53 °F
S 25kt
6-7ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:37 am CDT Apr 14, 2026
Forecast Valid: 11am CDT Apr 14, 2026-6pm CDT Apr 20, 2026

View Nearby Observations

Detailed Forecast

Today

WSW wind around 12 kt becoming S in the afternoon. Winds could gust as high as 19 kt. A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Patchy dense fog. Waves 2 to 3 ft.

Tonight

S wind 12 to 14 kt becoming SW after midnight. Showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Widespread dense fog, mainly after 8pm. Waves 2 to 3 ft.

Wednesday

S wind around 11 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Widespread dense fog, mainly before 8am. Waves around 2 ft.

Wednesday Night

SSW wind 11 to 13 kt. Showers and possibly a thunderstorm before 1am, then showers likely. Waves around 2 ft.

Thursday

WSW wind 11 to 14 kt. A chance of showers. Waves 2 to 3 ft.

Thursday Night

NW wind around 10 kt. A chance of showers before 1am. Waves 1 to 2 ft.

Friday

E wind around 10 kt becoming S in the afternoon. Partly sunny. Waves 1 ft or less.

Friday Night

SSE wind 12 to 22 kt. Showers likely. Waves 1 ft building to 5 ft.

Saturday

S wind 22 to 25 kt becoming W in the afternoon. Showers. Waves 6 to 7 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.