FXUS66 KMTR 031728
AFDMTR
Area Forecast Discussion
National Weather Service San Francisco CA
928 AM PST Tue Feb 3 2026
...New AVIATION...
.KEY MESSAGES...
Updated at 220 AM PST Tue Feb 3 2026
- Above normal temperatures and dry conditions through the work week
- Hazardous beach conditions from late Wednesday night through
Saturday evening at Pacific Coast beaches
- 20 to 40% chance of rain developing north to south on Sunday,
with the higher amounts favoring the North Bay and the coastal
mountains.
&&
.UPDATE...
Issued at 833 AM PST Tue Feb 3 2026
Visible satellite imagery reveals clear skies for nearly the
entire area this morning. Exception to this would be interior
Contra Costa County where Tule Fog extends from the Delta south
into the San Joaquin Valley. Anticipate this lingering fog in
Contra Costa to gradually mix-out over the next several hours.
Temperatures as of the 8 AM hour are running at or a few degrees
above where were were at this same time yesterday morning.
Forecast remains on track at this time. // Rowe
&&
.SHORT TERM...
Issued at 220 AM PST Tue Feb 3 2026
(Today and tonight)
Another day of warm and dry conditions today as high pressure
builds overhead. Temperatures this morning will start out cool
once again, mainly in the 40s, thanks to mostly clear skies across
the area. Patchy fog in the North and East Bay valleys as well as
the southern Salinas Valley will quickly dissipate after sunrise.
Light offshore winds this afternoon will boost the warming
provided by the ridge and mostly sunny skies, with highs up to 5
degrees warmer than Monday. This will place high temperatures
around 5 to 15 degrees above seasonal normals, with mid 60s to
lower 70s near the coast and 70s to near 80 inland. Conditions
tonight will be very similar to this morning, with lows a couple
degrees higher and patchy fog expected in the same general areas.
&&
.LONG TERM...
Issued at 220 AM PST Tue Feb 3 2026
(Wednesday through Monday)
The warmest day of the period at most locations will be Wednesday
as the ridge reaches peak strength and begins to shift east,
allowing offshore winds to tick up. This will push highs up a few
more degrees from today. On Thursday, highs should cool slightly
as the ridge continues to move away. On Friday and Saturday, a
weak low will move near the coast and into southern California.
Impacts will be minimal, but clouds will increase and winds will
turn onshore, continuing the cooling trend.
A more significant pattern change will take place Sunday and
Monday as a deeper trough moves into the Pacific Northwest. This
will bring potential for light precipitation and a cold front as
the trough progresses. Latest ensemble guidance has delayed the
onset of precipitation, but chances increase increase from north
to south through the day Sunday. The chance of rain rises above 20
percent by Sunday morning across the North Bay, Sunday afternoon
for the greater SF Bay area, and Sunday evening for the Central
Coast. Rain chances continue at around 20 to 40 percent into
Monday. As our area remains on the southern fringe of this system,
rain amounts are trending light and low impact overall. However,
temperatures will cool to near or even slightly below normal, and
winds may become locally breezy.
&&
.AVIATION...
(18Z TAFS)
Issued at 929 AM PST Tue Feb 3 2026
Terminals are clear for 18z taf issuance with nearest fog bank
over the Central Valley. Light easterly winds to continue today
into tonight. Patchy fog possible overnight for KSTS and KAPC but
low confidence. Mainly clear skies with light easterly winds
continues Weds as peak of 500 mb ridge axis passes overhead.
Vicinity of SFO...VFR skies with light NE winds.
SFO Bridge Approach...Similar to SFO.
Monterey Bay Terminals... VFR with clear skies. Locally strong SE
winds in the Salinas Valley night and early morning hours.
&&
.MARINE...
(Today through Sunday)
Issued at 319 AM PST Tue Feb 3 2026
Moderate seas and gentle northerly breezes will persist into
midweek. Moderate northwesterly breezes and building seas will
result in a return of rough seas late Thursday night and Friday,
continuing into the weekend.
&&
.BEACHES...
Issued at 319 AM PST Tue Feb 3 2026
A Beach Hazards Statement is in effect from 12 AM PST Thursday to
9 PM PST Saturday at all Pacific Coast beaches. Westerly swell will
bring an increased risk for sneaker waves and strong rip currents
with breaking waves of 14 to 19 feet.
Remember to stay off of jetties, piers, rocks, and other waterside
infrastructure, remain out of the water, and never turn your back
on the ocean!
&&
.MTR WATCHES/WARNINGS/ADVISORIES...
CA...Beach Hazards Statement from late Wednesday night through
Saturday evening for CAZ006-505-509-529-530.
PZ...None.
&&
$$
SHORT TERM...Tangen
LONG TERM....Tangen
AVIATION...RW
MARINE...Canepa
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Prepared by Boulder-Creek.com Weather at: Tue Feb 3 10:30:03 PST 2026
From the National Weather Service
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