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

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

For More Weather Information:

Marquette, MI Local Forecast Office

21NM E Grand Portage MN

Marine Point Forecast

[NOTICE]

This Afternoon
High: 40 °F
Light Wind
< 1ft
Tonight
Low: 34 °F
Light Wind
< 1ft
Wednesday
High: 43 °F
Light Wind
< 1ft
Wednesday Night
Low: 32 °F
Light Wind
< 1ft
Thursday
High: 47 °F
Light Wind
< 1ft
Thursday Night
Low: 34 °F
Light Wind
< 1ft
Friday
High: 46 °F
ENE 10kt
< 1ft
Friday Night
Low: 32 °F
WNW 15kt
< 1ft
Saturday
High: 39 °F
NW 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:46 pm CDT Apr 14, 2026
Forecast Valid: 4pm CDT Apr 14, 2026-6pm CDT Apr 20, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. A chance of showers, mainly before 5pm. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. Patchy fog after 7pm. Waves 1 ft or less.

Wednesday

Variable winds 5 kt or less. Areas of fog before 10am. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Patchy fog between 10pm and 11pm. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

Friday

ENE wind 5 to 10 kt. A chance of showers after 1pm. Waves 1 ft or less.

Friday Night

E wind 10 to 15 kt becoming WSW in the evening. Winds could gust as high as 25 kt. Showers and possibly a thunderstorm before 1am, then showers likely. Waves 1 ft or less.

Saturday

NW wind around 15 kt, with gusts as high as 25 kt. A chance of rain showers before 1pm, then a chance of rain and snow showers between 1pm and 4pm, then a chance of snow showers after 4pm. Waves 1 ft or less.

*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.