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

Small Craft Advisory in effect from April 14, 05:00 AM PDT until April 15, 05:00 AM PDT

For More Weather Information:

Portland, OR Local Forecast Office

Ocean Park WA

Marine Point Forecast

[NOTICE]

Today
WNW 8kt
4-5ft
Tonight
W 8kt
4ft
Tuesday
SSW 17kt
4-5ft

Small Craft Advisory
Tuesday Night
SW 18kt
8ft

Small Craft Advisory
Wednesday
W 10kt
6-7ft
Wednesday Night
NW 11kt
7ft
Thursday
WNW 9kt
6ft
Thursday Night
NW 9kt
5ft
Friday
Light Wind
3-4ft

Associated Zone Forecast which includes this point

Last Update: 6:41 am PDT Apr 13, 2026
Forecast Valid: 7am PDT Apr 13, 2026-6pm PDT Apr 19, 2026

View Nearby Observations

Detailed Forecast

Today

WNW wind around 8 kt. A chance of showers, mainly before noon. W swell 5 ft at 8 seconds. Wind waves around 1 ft.

Tonight

W wind 5 to 8 kt. A chance of showers, mainly after midnight. W swell 4 ft at 8 seconds. Wind waves around 1 ft.

Tuesday

SSW wind 9 to 17 kt, with gusts as high as 26 kt. Rain, with thunderstorms also possible after 2pm. Mixed swell...W 4 ft at 8 seconds and WSW 1 ft at 14 seconds. Wind waves 2 to 3 ft.

Tuesday Night

SW wind 8 to 18 kt becoming NW in the evening. Winds could gust as high as 25 kt. Rain, mainly before 11pm. W swell 8 ft. Wind waves 1 to 3 ft.

Wednesday

W wind 7 to 10 kt. Rain likely before 11am, then rain and possibly a thunderstorm between 11am and 5pm, then showers and possibly a thunderstorm after 5pm. Mixed swell...W 7 ft and WSW 1 ft. Wind waves 1 to 2 ft.

Wednesday Night

NW wind 8 to 11 kt. Showers and possibly a thunderstorm before 8pm, then rain, mainly between 8pm and 11pm. W swell 8 ft. Wind waves 1 to 2 ft.

Thursday

WNW wind 7 to 9 kt. A chance of rain. W swell 6 ft. Wind waves 1 to 2 ft.

Thursday Night

NW wind 6 to 9 kt. Partly cloudy. Mixed swell...WNW 5 ft and WSW 1 ft. Wind waves 1 to 2 ft.

Friday

Variable winds 5 kt or less. Partly sunny. WNW swell 4 ft. Wind 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.