Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Hazardous Weather Conditions

For More Weather Information:

Grand Rapids, MI Local Forecast Office

6NM W Grand Haven MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 48 °F
SSW 9kt
2ft
Tonight
Low: 48 °F
S 10kt
1ft
Thursday
High: 48 °F
WNW 10kt
1ft
Thursday Night
Low: 40 °F
NNW 9kt⇓
< 1ft
Friday
High: 57 °F
SSE 12kt
< 1ft
Friday Night
Low: 41 °F
SSE 22kt
5ft
Saturday
High: 49 °F
SW 22kt
5-7ft
Saturday Night
Low: 36 °F
WNW 24kt
8ft
Sunday
High: 39 °F
WNW 26kt
6-8ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:36 pm CDT Apr 15, 2026
Forecast Valid: 3pm CDT Apr 15, 2026-6pm CDT Apr 21, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SSW wind around 9 kt. A chance of showers and thunderstorms, mainly after 4pm. Patchy dense fog. Waves around 2 ft.

Tonight

S wind 7 to 10 kt, with gusts as high as 20 kt. Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Patchy dense fog. Waves around 1 ft.

Thursday

WSW wind 6 to 10 kt becoming NW in the afternoon. Showers and thunderstorms likely before 2pm, then a slight chance of showers between 2pm and 4pm. Areas of dense fog before 4pm, then Patchy dense fog after 5pm. Waves around 1 ft.

Thursday Night

NNW wind 5 to 9 kt becoming variable and less than 5 kt. Patchy fog between 9pm and 11pm. Waves 1 ft or less.

Friday

SSE wind 7 to 12 kt. Partly sunny. Waves 1 ft or less.

Friday Night

SSE wind 16 to 22 kt. Showers likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Waves 2 ft building to 5 ft.

Saturday

SW wind 19 to 22 kt becoming W in the morning. A chance of showers before 1pm. Waves 5 to 7 ft.

Saturday Night

WNW wind 18 to 24 kt. Partly cloudy. Waves 5 ft building to 8 ft.

Sunday

WNW wind 16 to 26 kt. Mostly sunny. Waves 6 to 8 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.