Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Last Update: 106 AM PDT Wed Mar 18 2026

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Seattle, WA Local Forecast Office

29NM NNW Seattle WA

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH THURSDAY AFTERNOON...

Today
S wind 10 to 15 kt, becoming SE 15 to 25 kt late. Waves around 2 ft or less. Rain.
Tonight
S wind 15 to 25 kt. Waves around 2 ft or less. Rain.
Thu
S wind 15 to 25 kt. Waves around 2 ft or less. Rain.
Thu Night
S wind 15 to 25 kt, easing to 10 to 15 kt after midnight. Waves around 2 ft or less. Rain.
Fri
S wind 10 to 15 kt. Waves around 2 ft or less. Rain.
Fri Night
W wind 10 to 15 kt, rising to 15 to 20 kt after midnight. Waves around 2 ft or less. Rain likely, mainly in the evening.
Sat
W wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Waves around 2 ft or less. A chance of rain in the morning.
Sat Night
NW wind around 5 kt, backing to SW after midnight. Waves around 2 ft or less.
Sun
S wind around 5 kt, veering to W in the afternoon. Waves around 2 ft or less. A chance of rain and snow in the morning.
Sun Night
NW wind around 5 kt. Waves around 2 ft or less.



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106 AM PDT Wed Mar 18 2026
 
 

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