NWS Forecast Area Discussion - San Francisco Area

FXUS66 KMTR 270549

Area Forecast Discussion
National Weather Service San Francisco Bay Area
1049 PM PDT Wed Jun 26 2019

.SYNOPSIS...Unseasonably cool conditions will persist over the
region through late week with periods of night/morning low clouds
and breezy onshore winds. A slight warming trend is then forecast
for the upcoming weekend along with continued dry weather

&& of 9:53 PM PDT Wednesday...Low clouds are seen
redeveloping along the Sonoma county coast to northernmost Santa
Cruz county with fragments of low clouds elsewhere.

A sprawling upper low remains located off the Pacific Northwest
and cooler air continues to flow into northern California on
northwest winds. Low clouds should mix out again Thursday with a
fair amount of sun for the day, afternoon onshore winds picking up
again; the short term forecast is near persistence. Over the
weekend temperatures will warm up particularly over inland

&& of 10:45 PM PDT Wednesday...Clouds scattered for a
short time after 00Z but more clouds just kept developing to the
northwest and it looks like SFO and the approach will be under
cigs through Thursday morning. Clearing should be early Thursday
as drier air is forecast to work its way down into the lower

Vicinity of KSFO...MVFR cigs through 17Z. Bases 1500-2000 feet
lowering to 120.

SFO Bridge Approach...Same as KSFO.

Monterey Bay Terminals...Clouds cleared out and are slow to
redevelop. There have been occasional cigs but more widespread
MVFR cigs are expected after 09Z.

&& of 10:10 PM PDT Wednesday...Low pressure off the
Pacific Northwest will move inland on  Thursday. High pressure
will then build off the California coast resulting in increasing
northwest winds Thursday and Friday. Winds should decrease
Saturday as the high weakens.


     .Tday...SCA...Mry Bay from 12 PM
             SCA...Pigeon Pt to Pt Pinos 0-10 nm from 12 PM
             SCA...Pt Arena to Pt Reyes 0-10 nm from 3 PM
             SCA...Pt Reyes to Pigeon Pt 0-10 nm from 3 PM
             SCA...Pt Arena to Pigeon Pt 10-60 nm from 3 PM
             SCA...Pigeon Pt to Pt Piedras Blancas 10-60 nm from 3 PM
             SCA...Pt Pinos to Pt Piedras Blancas 0-10 nm
             SCA...SF Bay from 1 PM




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NWS MTR Office Area Forecast Discussion