Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

6NM WSW Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
Light Wind
< 1ft
Sunday
⇑N 6kt
< 1ft
Sunday Night
⇑S 12kt
< 1ft
Monday
SSW 13kt
1ft
Monday Night
S 18kt
1ft
Tuesday
S 25kt
2ft
Tuesday Night
SSW 23kt
2-3ft
Wednesday
S 9kt
1ft
Wednesday Night
N 9kt⇓
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 am PDT Apr 11, 2026
Forecast Valid: 9pm PDT Apr 11, 2026-6pm PDT Apr 18, 2026

View Nearby Observations

Detailed Forecast

Tonight

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

Sunday

Variable winds less than 5 kt becoming N around 6 kt in the morning. A slight chance of rain after 2pm. Waves 1 ft or less.

Sunday Night

Variable winds less than 5 kt becoming S 7 to 12 kt in the evening. A chance of rain. Waves 1 ft or less.

Monday

SSW wind around 13 kt. A chance of rain. Waves around 1 ft.

Monday Night

S wind 14 to 18 kt. A chance of rain. Waves around 1 ft.

Tuesday

S wind 20 to 25 kt. Rain. Waves around 2 ft.

Tuesday Night

SSW wind 13 to 23 kt. Rain. Waves 2 to 3 ft.

Wednesday

S wind around 9 kt becoming WNW in the afternoon. A chance of rain, then showers likely and possibly a thunderstorm after 11am. Waves around 1 ft.

Wednesday Night

N wind 5 to 9 kt becoming variable and less than 5 kt in the evening. A chance of rain. 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.