Flash Flood Threat Persists Across Southwest; Heat Threat in Several Regions

Monsoon conditions will exist over the Southwest through Tuesday, resulting in localized areas of flash flooding from California into the Central and Southern Rockies. Hot and humid conditions will impacts several regions through early week. Excessive Heat Warnings are in effect for the Intermountain West and Northern Plains with Heat Advisories from the southern Plains into MS River Valley.
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Seattle, WA Local Forecast Office

20NM SSW Seattle WA

Marine Point Forecast

[NOTICE]

Overnight

N 6kt
< 1ft
Monday

NNE 7kt
< 1ft
Monday
Night
N 9kt
< 1ft
Tuesday

NNE 6kt
< 1ft
Tuesday
Night
NNE 7kt
< 1ft
Wednesday

NNE 8kt
< 1ft
Wednesday
Night
N 8kt
< 1ft
Thursday

N 7kt
< 1ft
Thursday
Night
N 8kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 7:23 pm PDT Jul 25, 2021
Forecast Valid: 11pm PDT Jul 25, 2021-6pm PDT Aug 1, 2021

View Nearby Observations

Detailed Forecast

Synopsis: High pressure offshore with thermal low pressure east of the Cascades will result in onshore flow for much of the upcoming week. Westerly pushes down the Strait of Juan de Fuca will likely result in small craft advisory level winds each evening this week.

Overnight

N wind around 6 kt. Mostly clear. Wind waves 1 ft or less.

Monday

Variable winds less than 5 kt becoming NNE 5 to 7 kt in the afternoon. Sunny. Wind waves 1 ft or less.

Monday Night

N wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Wind waves 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming NNE around 6 kt in the afternoon. Mostly sunny. Wind waves 1 ft or less.

Tuesday Night

NNE wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Wind waves 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming NNE 5 to 8 kt in the afternoon. Mostly sunny. Wind waves 1 ft or less.

Wednesday Night

N wind 5 to 8 kt. Partly cloudy. Wind waves 1 ft or less.

Thursday

Variable winds less than 5 kt becoming N 5 to 7 kt in the afternoon. Mostly sunny. Wind waves 1 ft or less.

Thursday Night

N wind 6 to 8 kt. Mostly clear. 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.