FNUS86 KMTR 221144
FWLMTR

ECCDA Discussions
National Weather Service SAN FRANCISCO BAY AREA
444 AM PDT Sat Aug 22 2026

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##            Discussions from the latest FWF below                ##
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...Discussion from SFOFWFMTR...

Near to slightly above normal temperatures and dry  conditions are
expected above the marine layer through the  weekend. A compressed
marine layer will continue to support poor  minimum daytime relative
humidity in the afternoons across the  interior with little to no
recovery at night in the higher  terrain. Relatively speaking, the
Bay Area will remain cooler with a deeper marine layer and the
Central Coast will remain hotter  with a shallower marine layer.
Diurnal sea breeze is expected in  the afternoons and evenings. Cool
and moist conditions can be expected along the coast with morning
and evening clouds bringing a chance for drizzle. Similar conditions
on tap into next week.


...Discussion from SFOFWFEKA...

A deep marine layer will continue to bring marine  influence into
the interior through the weekend. Interior high  temperatures are
forecast to be in the 80s to low 90s. Afternoon RH  is forecast to
be in the high teens to low 30s, with good overnight  recoveries.
Sunday into early next week, temperatures rise somewhat  to near
normal. Offshore flow overnight will bring poor overnight 
recoveries for higher elevations and lower afternoon RH across the 
area. A deeper marine layer returns mid next week.


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##       Complete a discussion for each ECCDA segment below        ##
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ECC010-222345-
St Helena ECC Dispatch-
DISCUSSION FOR Marin and Sonoma and Napa Counties
444 AM PDT Sat Aug 22 2026

Near to slightly above normal temperatures and dry  conditions are
expected above the marine layer through the  weekend. A compressed
marine layer will continue to support poor  minimum daytime relative
humidity in the afternoons across the  interior with little to no
recovery at night in the higher  terrain. Relatively speaking, the
Bay Area will remain cooler with a deeper marine layer and the
Central Coast will remain hotter  with a shallower marine layer.
Diurnal sea breeze is expected in  the afternoons and evenings. Cool
and moist conditions can be expected along the coast with morning
and evening clouds bringing a chance for drizzle. Similar conditions
on tap into next week.

$$

ECC014-222345-
Morgan Hill ECC Dispatch-
DISCUSSION FOR Alameda and Contra Costa and Santa Clara Counties
444 AM PDT Sat Aug 22 2026

Near to slightly above normal temperatures and dry  conditions are
expected above the marine layer through the  weekend. A compressed
marine layer will continue to support poor  minimum daytime relative
humidity in the afternoons across the  interior with little to no
recovery at night in the higher  terrain. Relatively speaking, the
Bay Area will remain cooler with a deeper marine layer and the
Central Coast will remain hotter  with a shallower marine layer.
Diurnal sea breeze is expected in  the afternoons and evenings. Cool
and moist conditions can be expected along the coast with morning
and evening clouds bringing a chance for drizzle. Similar conditions
on tap into next week.

$$

ECC013-222345-
Felton ECC Dispatch-
DISCUSSION FOR Santa Cruz and San Mateo Counties
444 AM PDT Sat Aug 22 2026

Near to slightly above normal temperatures and dry  conditions are
expected above the marine layer through the  weekend. A compressed
marine layer will continue to support poor  minimum daytime relative
humidity in the afternoons across the  interior with little to no
recovery at night in the higher  terrain. Relatively speaking, the
Bay Area will remain cooler with a deeper marine layer and the
Central Coast will remain hotter  with a shallower marine layer.
Diurnal sea breeze is expected in  the afternoons and evenings. Cool
and moist conditions can be expected along the coast with morning
and evening clouds bringing a chance for drizzle. Similar conditions
on tap into next week.

$$

ECC018-222345-
Monterey ECC Dispatch-
DISCUSSION FOR Monterey and San Benito County
444 AM PDT Sat Aug 22 2026

Near to slightly above normal temperatures and dry  conditions are
expected above the marine layer through the  weekend. A compressed
marine layer will continue to support poor  minimum daytime relative
humidity in the afternoons across the  interior with little to no
recovery at night in the higher  terrain. Relatively speaking, the
Bay Area will remain cooler with a deeper marine layer and the
Central Coast will remain hotter  with a shallower marine layer.
Diurnal sea breeze is expected in  the afternoons and evenings. Cool
and moist conditions can be expected along the coast with morning
and evening clouds bringing a chance for drizzle. Similar conditions
on tap into next week.

$$