534
FXUS66 KMTR 081017
AFDMTR
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
317 AM PDT SUN MAR 8 2026
..NEW SHORT TERM, LONG TERM, MARINE
KEY MESSAGES
UPDATED AT 308 AM PDT SUN MAR 8 2026
- HIGH TEMPERATURES 10 TO 15 DEGREES ABOVE NORMAL TODAY
- BRIEF COOL DOWN MONDAY AND TUESDAY
- WARMING TREND WEDNESDAY THROUGH NEXT WEEKEND
SHORT TERM
ISSUED AT 308 AM PDT SUN MAR 8 2026
(TODAY AND TONIGHT)
THE CHANNEL OF N/NE LOW LEVEL BOUNDARY LAYER OFFSHORE FLOW ACROSS
THE NORTH BAY AND BAY AREA IS GRADUALLY EASING OVERNIGHT AND WILL
EVENTUALLY SHIFT TO WEAK ONSHORE FLOW BY LATE THIS AFTERNOON INTO
THE EVENING HOURS. WHILE H50 HEIGHTS WILL LOWER SLIGHTLY THROUGH THE
DAY, THICKNESS VALUES WILL MODERATE INCREASE OVER OUR AREA
THROUGHOUT THE DAY. THE NET RESULT WILL BE ANOTHER WARM AND SUNNY
DAY AREA WIDE, LIKELY A COUPLE OF DEGREES WARMER THAN SATURDAY, WITH
NOTICEABLY LESS BREEZY CONDITIONS. NEAR-SHORE COASTAL LOCATIONS WILL
ONCE AGAIN BE IN THE UPPER 60S TO LOW 70S WITH THE REST OF THE
INTERIOR IN THE MID/UPPER 70S AND POCKETS OF LOW 80S AT HIGHER
ELEVATIONS. OVERNIGHT LOWS WILL DROP A COUPLE OF DEGREES INTO MONDAY
FROM THIS MORNINGS VALUES WITH THE RETURN OF ONSHORE FLOW, HOWEVER
WEAK IT MAY BE, AND FALLING H50 HEIGHTS.
LONG TERM
ISSUED AT 308 AM PDT SUN MAR 8 2026
(MONDAY THROUGH SATURDAY)
THE STALLED UPPER LOW SOUTH OF SOCAL OFF THE BAJA COAST WILL SLOWLY
BEGIN TO MOVE ONSHORE MONDAY. WHILE THE UPPER LOW EVENTUALLY
COMBINES WITH THE POLAR JET DOWNSTREAM TUESDAY, WE'LL SEE A
HORIZONTAL SHORTWAVE RIDGE AXIS RESPONSIBLE FOR THE AFOREMENTIONED
WEAK ONSHORE FLOW SHIFT SOUTH AND EAST, BRINGING INCREASING CLOUDS
AND SLIGHTLY COOLER TEMPS ONSHORE. TUESDAY WILL BE THE COOLEST
DAY OF THE WEEK, AS BROADER LARGER SCALE RIDGING APPEARS TO BUILD
OFFSHORE THROUGH THE REMAINDER OF THE EXTENDED FORECAST WITH
TEMPERATURES SIMILAR TO TODAY RETURNING FOR THE END OF THE WEEK
INTO NEXT WEEKEND. NO RAIN IN SIGHT THROUGH THE FORECAST PERIOD.
AVIATION
(06Z TAFS)
ISSUED AT 921 PM PST SAT MAR 7 2026
CURRENTLY VFR AT ALL TERMINALS. HIGH CONFIDENCE IN VFR THROUGH THE
TAF PERIOD WITH LOW PROBABILITIES (< 20%) FOR SUB-VFR CONDITIONS TO
RETURN TO HAF AND STS TONIGHT. DIURNAL WINDS WILL PREVAIL.
VICINITY OF SFO...CURRENTLY VFR AND CALM. HIGH CONFIDENCE IN VFR
THROUGH MOST OF THE TAF PERIOD WITH LOW PROBABILITIES (< 20%) FOR
SUB-VFR CONDITIONS TO RETURN TOMORROW NIGHT. DIURNAL WINDS WILL
PREVAIL.
SFO BRIDGE APPROACH...SIMILAR TO SFO.
MONTEREY BAY TERMINALS...CURRENTLY VFR AND CALM AT BOTH TERMINALS.
HIGH CONFIDENCE IN VFR THROUGH THE TAF PERIOD. DIURNAL WINDS WILL
PREVAIL.
MARINE
(TODAY THROUGH FRIDAY)
ISSUED AT 308 AM PDT SUN MAR 8 2026
NORTHERLY BREEZES WILL INCREASE THIS AFTERNOON THROUGH TUESDAY
RESULTING IN WIDESPREAD STRONG TO NEAR GALE SPEEDS. FREQUENT GALE
FORCE GUSTS ARE EXPECTED ACROSS THE OUTER WATERS WITH ISOLATED
GALE FORCE GUSTS BETWEEN POINT ARENA AND PIGEON POINT. THESE WINDS
WILL BUILD ROUGH TO VERY ROUGH SEAS FOR THE INNER WATERS AND OUTER
WATERS.
MTR WATCHES/WARNINGS/ADVISORIES
CA...NONE.
PZ...SMALL CRAFT ADVISORY FROM 3 PM TO 9 PM PDT MONDAY FOR MRY BAY.
SMALL CRAFT ADVISORY FROM 3 PM THIS AFTERNOON TO 3 AM PDT
TUESDAY FOR PT ARENA TO PT REYES 0-10 NM.
SMALL CRAFT ADVISORY FROM 9 PM THIS EVENING TO 3 AM PDT TUESDAY
FOR PT REYES TO PIGEON PT 0-10 NM.
SMALL CRAFT ADVISORY FROM 9 AM TO 9 PM PDT MONDAY FOR PIGEON PT
TO PT PINOS 0-10 NM-PT PINOS TO PT PIEDRAS BLANCAS 0-10 NM.
SMALL CRAFT ADVISORY UNTIL 3 PM PDT THIS AFTERNOON FOR PT ARENA
TO PT REYES 10-60 NM.
GALE WARNING FROM 3 PM THIS AFTERNOON TO 3 AM PDT TUESDAY FOR PT
ARENA TO PT REYES 10-60 NM.
SMALL CRAFT ADVISORY FROM 9 PM THIS EVENING TO 3 AM PDT MONDAY
FOR PIGEON PT TO PT PINOS 10-60 NM.
GALE WARNING FROM 3 AM TO 9 PM PDT MONDAY FOR PIGEON PT TO PT
PINOS 10-60 NM.
SHORT TERM...BFG
LONG TERM....BFG
AVIATION...JM
MARINE...JM
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