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, 09:00 AM PDT until April 14, 10:00 PM PDT

For More Weather Information:

Seattle, WA Local Forecast Office

53NM NE Port Angeles WA

Marine Point Forecast

[NOTICE]

This Afternoon
S 10kt
1ft
Tonight
SSW 9kt
1ft
Tuesday
S 16kt
1-3ft
Tuesday Night
S 17kt⇓
2-3ft
Wednesday
⇑W 6kt
1ft
Wednesday Night
W 6kt⇓
< 1ft
Thursday
⇑SW 6kt
< 1ft
Thursday Night
Light Wind
< 1ft
Friday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 am PDT Apr 13, 2026
Forecast Valid: 1pm PDT Apr 13, 2026-6pm PDT Apr 19, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

S wind around 10 kt. A chance of rain before 2pm, then a slight chance of rain after 4pm. Waves around 1 ft.

Tonight

SSW wind 6 to 9 kt. Rain likely, mainly after 4am. Waves around 1 ft.

Tuesday

S wind 8 to 16 kt. Rain. Waves 1 to 3 ft.

Tuesday Night

S wind 12 to 17 kt becoming SW 6 to 11 kt after midnight. Rain, mainly before 11pm. Waves 2 to 3 ft.

Wednesday

Variable winds less than 5 kt becoming W around 6 kt in the afternoon. A chance of rain before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then rain likely after 2pm. Waves around 1 ft.

Wednesday Night

W wind around 6 kt becoming variable and less than 5 kt in the evening. A slight chance of rain before 11pm. Waves 1 ft or less.

Thursday

Variable winds less than 5 kt becoming SW around 6 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

Thursday Night

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

Friday

Variable winds 5 kt or less. Partly sunny. 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.