Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

21NM N Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
Light Wind
< 1ft
Tonight
Light Wind
< 1ft
Monday
Light Wind
< 1ft
Monday Night
⇑S 9kt
< 1ft
Tuesday
S 21kt
1-2ft
Tuesday Night
S 21kt⇓
1-2ft
Wednesday
S 6kt
< 1ft
Wednesday Night
Light Wind
< 1ft
Thursday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 am PDT Apr 12, 2026
Forecast Valid: 3pm PDT Apr 12, 2026-6pm PDT Apr 19, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

Variable winds 5 kt or less. Rain likely, mainly after 2am. Waves 1 ft or less.

Monday

Variable winds 5 kt or less. A chance of rain. Waves 1 ft or less.

Monday Night

Variable winds less than 5 kt becoming S 5 to 9 kt after midnight. Rain likely. Waves 1 ft or less.

Tuesday

S wind 12 to 21 kt, with gusts as high as 27 kt. Rain. Waves 1 to 2 ft.

Tuesday Night

S wind 16 to 21 kt becoming SSE 6 to 11 kt after midnight. Winds could gust as high as 27 kt. Rain, mainly before 11pm. Waves 1 to 2 ft.

Wednesday

S wind around 6 kt becoming NW in the afternoon. A chance of rain, then showers and possibly a thunderstorm after 11am. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. A chance of rain. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. Mostly 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.