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

20NM NNW Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
Light Wind
< 1ft
Monday
Light Wind
< 1ft
Monday Night
⇑S 6kt
< 1ft
Tuesday
S 17kt
< 1ft
Tuesday Night
S 18kt⇓
< 1ft
Wednesday
⇑NNW 6kt
< 1ft
Wednesday Night
Light Wind
< 1ft
Thursday
Light Wind
< 1ft
Thursday Night
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 am PDT Apr 12, 2026
Forecast Valid: 9pm PDT Apr 12, 2026-6pm PDT Apr 19, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Rain likely, mainly between 2am and 4am. Waves 1 ft or less.

Monday

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

Monday Night

Variable winds less than 5 kt becoming S around 6 kt after midnight. A chance of rain. Waves 1 ft or less.

Tuesday

S wind 9 to 17 kt. Rain. Waves 1 ft or less.

Tuesday Night

S wind 13 to 18 kt becoming SSW 6 to 11 kt after midnight. Rain, mainly before 11pm. Waves 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming NNW around 6 kt in the morning. 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 before 11pm. Waves 1 ft or less.

Thursday

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

Thursday Night

Variable winds 5 kt or less. Partly cloudy. 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.