Excessive Heat Continues for the Pacific Northwest; Flooding Impacts Expected in the Southwest U.S.

A dangerous heat wave persists for the Northwest into portions of California today with excessive heat warnings and heat advisories in effect. The active monsoon pattern with organized showers and thunderstorms and possible flash flooding with debris flows continues and will become enhanced in the Southwestern U.S. through Saturday.
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Seattle, WA Local Forecast Office

23NM NW Seattle WA

Marine Point Forecast

[NOTICE]

This
Afternoon
N 10kt
1ft
Tonight

NNW 8kt
< 1ft
Friday

SE 7kt
< 1ft
Friday
Night
N 6kt
< 1ft
Saturday

Light Wind
< 1ft
Saturday
Night
Light Wind
< 1ft
Sunday

Light Wind
< 1ft
Sunday
Night
Light Wind
< 1ft
Monday

Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 9:40 am PDT Aug 18, 2022
Forecast Valid: 1pm PDT Aug 18, 2022-6pm PDT Aug 24, 2022

View Nearby Observations

Detailed Forecast

Synopsis: Light pressure gradients are over the area today. Onshore flow will develop tonight and increase through Friday as a weather system arrives. Westerly winds will strengthen in the Strait of Juan de Fuca on Friday and daily westerlies are likely in the Strait through the weekend.

This Afternoon

N wind around 10 kt. Partly sunny. Wind waves around 1 ft.

Tonight

NNW wind 5 to 8 kt. Increasing clouds. Wind waves 1 ft or less.

Friday

WNW wind around 7 kt becoming SE in the morning. Mostly cloudy. Wind waves 1 ft or less.

Friday Night

N wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Wind waves 1 ft or less.

Saturday

Variable winds 5 kt or less. Partly sunny. Wind waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Wind waves 1 ft or less.

Sunday

Variable winds 5 kt or less. Mostly sunny. Wind waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Partly cloudy. Wind waves 1 ft or less.

Monday

Variable winds 5 kt or less. Partly sunny. Wind 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.