Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Small Craft Advisory until August 1, 10:00 PM PDT

For More Weather Information:

Seattle, WA Local Forecast Office

17NM S Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
SW 17kt
2ft

Small Craft Advisory
Tonight
WSW 14kt
< 1ft

Small Craft Advisory
Sunday
⇑N 6kt
< 1ft
Sunday Night
N 8kt⇓
< 1ft
Monday
⇑N 10kt
< 1ft
Monday Night
N 9kt
< 1ft
Tuesday
⇑N 8kt
< 1ft
Tuesday Night
N 8kt⇓
< 1ft
Wednesday
⇑N 6kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 am PDT Aug 1, 2026
Forecast Valid: 2pm PDT Aug 1, 2026-6pm PDT Aug 7, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM PDT THIS EVENING...

This Afternoon

SW wind 14 to 17 kt, with gusts as high as 23 kt. Sunny. Waves around 2 ft.

Tonight

WSW wind 6 to 14 kt becoming S after midnight. Increasing clouds. Waves 1 ft or less.

Sunday

Variable winds less than 5 kt becoming N around 6 kt in the afternoon. Cloudy through mid morning, then gradual clearing. Waves 1 ft or less.

Sunday Night

N wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.

Monday

Variable winds less than 5 kt becoming N 5 to 10 kt in the afternoon. Sunny. Waves 1 ft or less.

Monday Night

N wind 5 to 9 kt. Mostly clear. Waves 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming N 5 to 8 kt in the morning. Sunny. Waves 1 ft or less.

Tuesday Night

N wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming N around 6 kt in the afternoon. 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.