Corte Madera, California 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

684
FXUS66 KMTR 012336
AFDMTR

Area Forecast Discussion
National Weather Service San Francisco CA
436 PM PDT Sun Jun 1 2025

...New AVIATION...

.SYNOPSIS...
Issued at 106 PM PDT Sun Jun 1 2025

Near or slightly below normal temperatures will continue this week
along with continued dry weather. Highs mainly 60s along the
coast, 70s bayside and 80s well inland. Night and morning low
clouds followed by afternoon and evening clearing near the coast.
Next inland warming trend may occur by next weekend.

&&

.SHORT TERM...
(This evening through Monday)
Issued at 106 PM PDT Sun Jun 1 2025

Inland temperatures running 10-15 degrees cooler than yesterday
afternoon at the same time with 1 pm readings in the mid 70s for
Livermore, 72 Concord and Santa Rosa. A stubborn 1500 foot marine
layer and moderate onshore winds have kept low clouds covering
the City and bumping into the Berkeley hills through early
afternoon while the entire Monterey Bay region including the Santa
Cruz side remain mostly cloudy as well with temps in the 60s (and
still only 55 for Half Moon Bay). Despite the typical June gloom
conditions to start the month the upper pattern is actually quite
complex with an upper low over Baja that is helping to fire some
convection across the Southern Sierra. Meanwhile another upper low
near Cape Mendocino is going to drop southward along our
coastline overnight. It`ll generate some strong winds in the
Northern Sacramento valley that may try and sneak into Napa county
overnight into Monday morning. However fire weather concerns are
minimal with the higher Rh and cooler temps. The system may
generate some t-storms across Shasta/Mendocino region but not
expecting any rogue storms for the Bay Area despite this dynamic
shortwave. Model data suggests minimal instability and moisture
aloft with the net result for the Bay Area being some local
drizzle underneath the marine layer this evening and overnight. By
Monday morning there will be some northeast (offshore) winds in
the hills in response to the low pressure dropping down the coast.
This will help to erode the marine layer early in the North Bay
and disrupt the usual seabreeze pattern but the overall sensible
weather impacts looks minimal with another seasonably cool day to
start the work week near the coast with mild temps inland.

&&

.LONG TERM...
(Monday night through next Saturday)
Issued at 106 PM PDT Sun Jun 1 2025

The innocuous upper low will slowly push inland by Tuesday
allowing a more typical upper level weather pattern to return to
NorCal. End result for the Bay Area will be a period of near or
slightly below normal temps from Tuesday through Friday with highs
60s coast, 70s bayside and only the low to mid 80s inland. Those
looking for hot temps wont really find them this week for the Bay
Area with no 90 degree readings forecast.

No real big changes of note through the work week. Long range
models suggest another strong/warm ridge may begin to nose into
NorCal by next Sunday but thats low to medium confidence at this
time.

The strong winds over the ocean the last few days have been
efficient for coastal upwelling with SST currently 52-55. The
upper air pattern and cold ocean temps will be conducive for
night and morning clouds each day which fits climo for the month
of June.

&&

.AVIATION...
(00Z TAFS)
Issued at 426 PM PDT Sun Jun 1 2025

VFR is expected to prevail through the forecast period with the
exception of the Monterey Bay terminals, which may remain MVFR
through the forecast period. An area of low-pressure just offshore
will gradually move south down the coast line over the next 24hrs
helping to limit stratus development north of the Monterey Bay
terminals.

Vicinity of SFO...Weak offshore near surface wind regime along
the coastline will help limit stratus development, but occasional
drops into MVFR/IFR late tonight can`t be ruled out entirely,
however VFR is expected to prevail. Gusty winds will gradually
ease late this afternoon into the evening.

SFO Bridge Approach...Similar to SFO.

Monterey Bay Terminals...Steady fetch of onshore flow across
Monterey Bay is expected to maintain MVFR cigs through mid-morning
Monday. Breezy onshore winds will ease after sunset.


&&

.MARINE...
(Today through Friday)
Issued at 1124 AM PDT Sun Jun 1 2025

The outer waters continue to see strong to gale force gusts
continue across the outer waters and these winds look to last
into early work week. The strongest winds will be over the far
northern outer waters where occasional storm force gusts will be
possible from Point Arena to Point Reyes. Rough seas continue over
the outer waters with significant wave heights building to 10 to
15 feet across the southern outer waters and up to 22 feet across
the northern outer waters Sunday evening into Monday morning.
Winds gradually ease by Tuesday but significant wave heights will
remain elevated through late next week.

&&

.MTR WATCHES/WARNINGS/ADVISORIES...
CA...None.
PZ...Small Craft Advisory until 9 PM PDT this evening for SF Bay N of
     Bay Bridge.

     Small Craft Advisory until 3 AM PDT Monday for Pt Arena to Pt
     Reyes 0-10 nm.

     Gale Warning until 9 AM PDT Monday for Pt Arena to Pt Reyes 10-
     60 NM.

     Small Craft Advisory until 3 PM PDT Monday for Pigeon Pt to Pt
     Pinos 10-60 NM.

&&

$$

SHORT TERM...RW
LONG TERM....RW
AVIATION...JM
MARINE...Murdock

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