FXUS66 KMTR 110410
AFDMTR
Area Forecast Discussion
National Weather Service San Francisco CA
810 PM PST Sat Jan 10 2026
...New UPDATE...
.KEY MESSAGES...
Updated at 112 PM PST Sat Jan 10 2026
- Pleasant, dry weather continues this week with cold overnight
conditions and light offshore flow
- Hazardous beach conditions for all Pacific Coast beaches Sunday
through Thursday
&&
.UPDATE...
Issued at 746 PM PST Sat Jan 10 2026
No significant changes as high pressure dominates throughout the
forecast period. The 00Z sounding found dry air in the lower
levels with a layer of higher humidity above 23,000 feet. This is
contributing to an overcast layer of high cirrus clouds and some
great sunset photos. The PW was measured at 0.37". That's still in
the lowest 25th percentile, but a steady increase from the near
record PW of 0.19" measured 48 hours ago. The high clouds will
survive another day before the skies clear Monday. The biggest
question in this high pressure pattern is when fog will return.
Despite the weak offshore wind and dry air, surface temperatures
are dropping fast, and there is a good chance for Tule fog to form
in the Central Valley tonight. With a shallow boundary layer,
it's unlikely for any of this fog to spill across the Delta into
the Bay Area Sunday morning.
&&
.SHORT TERM...
Issued at 112 PM PST Sat Jan 10 2026
(This evening through Sunday)
High pressure continues to dominate the forecast through at least
the end of the Long Term. We can expect another round of cold
temperatures tonight, thanks to mostly clear skies and increased
radiational cooling, before temperatures warm into the upper 50s to
low 60s during the day on Sunday. A Cold Weather Advisory goes into
effect at 1AM Sunday and continues through 9 AM PST for portions of
the Bay Area and Central Coast while an Extreme Cold Warning is in
effect for the southern Salinas Valley during that same time frame.
Morning low temperatures for the Extreme Cold Warning will be in the
upper 20s to low 30s. Temperatures in the Cold Weather Advisory will
be in the low to mid 30s. Main adjustment to the forecast was to
nudge tomorrow's morning low temperatures down again as the
deterministic continues to run too warm. This looks to improve
starting Tuesday into next week as we see morning low temperatures
become more seasonal. Light, offshore winds continue with locally
breezier conditions along the coast and within the Salinas Valley.
A Beach Hazards Statement goes into effect at 4PM PST Sunday and
remains in effect through Monday evening. There will be an increased
likelihood of rip currents, sneakers waves, and larger shore break.
If you are taking advantage of the pleasant weather and heading to
the beach, take extra precaution and never turn your back on the
ocean.
&&
.LONG TERM...
Issued at 112 PM PST Sat Jan 10 2026
(Sunday night through next Friday)
The long term forecast looks pretty similar to the short term
forecast. High pressure continues with a slight warming trend and
pleasant weather expected this week. Cold products will likely be
needed again Monday morning and potentially Tuesday morning with
lows in the low to mid 30s. Most likely places to continue seeing
cooler temperatures would be the valleys and interior Central Coast
while the higher elevations and the coast stay warmer. Wednesday
through the end of the week, morning temperatures will be more
seasonal in the upper 30s to 40s. Daytime temperatures warm slightly
Monday into the end of the week with highs building from the upper
50s to low 60s on Monday to mid to upper 60s by mid to late week.
Portions of the interior Central Coast, the Santa Cruz Mountains,
and the southern Santa Clara Valley have a chance at reaching the
low 70s as early as Tuesday afternoon. This would see temperatures
running almost 10 degrees above normal for this time of year. While
no records are currently expected to be broken, some of the
forecasted high temperatures this week come close to their observed
records. No chances for rain in the immediate future. Long range
guidance is hinting at rain returning between the 20th-25th time
frame. However, that is over two weeks away so we will have to hold
tight and see if that rain chance is maintained or if it goes away
as we get closer to the 20th-25th time period.
Hazardous beach conditions are expected to continue for much of this
week with additional Beach Hazard Statements likely to be issued. If
you are heading to the beach this week make sure to exercise caution
and never turn your back on the ocean.
&&
.AVIATION...
(00Z TAFS)
Issued at 422 PM PST Sat Jan 10 2026
VFR through the TAF period for all sites but STS which will see
spotty fog into the late night. High clouds continue to build into
the region through the TAF period. Winds will mostly say light
through the TAF period with directions being mostly variable with
some localized effects determining the wind directions at a few of
the TAF sites.
Vicinity of SFO...VFR through the TAF period. Expect mostly light
and variable winds through the night with winds turning northeast
late Sunday morning, then more northerly to northwest later into the
day.
SFO Bridge Approach...Similar to SFO.
Monterey Bay Terminals...VFR through the TAF period. Light and
variable winds last through the evening. Winds turn east-
southeasterly overnight across the area, with winds becoming more
moderate for SNS. Winds weaken into Sunday afternoon, becoming
variable once again.
&&
.MARINE...
(Tonight through next Friday)
Issued at 422 PM PST Sat Jan 10 2026
Light winds continue over the waters through much of Sunday. A
longer period and larger northwesterly builds Sunday afternoon
producing a rough sea state through early Tuesday. Seas rebuild in
the late work week.
&&
.BEACHES...
Issued at 112 PM PST Sat Jan 10 2026
A Beach Hazard Statement will go into effect at 4PM PST Sunday and
continue through Monday evening for all Pacific Coast beaches from
Sonoma to Monterey County. A longer period moderate swell will
bring hazardous beach conditions with increased risk for rip
currents, sneaker waves, and larger shore break. This will result
in dangerous conditions along the shoreline. Hazardous beach
conditions are expected to continue through Thursday with the
issuance of additional Beach Hazard Statements likely.
Stay off of jetties, piers, rocks, and other waterside
infrastructure. Remain out of the water to avoid hazardous surf
and NEVER turn your back on the ocean. Monitor local weather, surf
and tide forecasts at www.weather.gov/mtr.
&&
.MTR WATCHES/WARNINGS/ADVISORIES...
CA...Beach Hazards Statement from Sunday afternoon through Monday
evening for CAZ006-505-509-529-530.
Cold Weather Advisory from 1 AM to 9 AM PST Sunday for CAZ506-
510-513-514-518.
Extreme Cold Warning from 1 AM to 9 AM PST Sunday for CAZ516.
PZ...Small Craft Advisory from 9 PM Sunday to 9 AM PST Monday for Pt
Arena to Pt Reyes 10-60 NM.
Small Craft Advisory from 4 PM Sunday to 9 AM PST Monday for
Pigeon Pt to Pt Pinos 10-60 NM.
&&
$$
SHORT TERM...Kennedy
LONG TERM....Kennedy
AVIATION...Murdock
MARINE...Murdock
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Prepared by Boulder-Creek.com Weather at: Sat Jan 10 20:30:02 PST 2026
From the National Weather Service
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