624
FXUS66 KMTR 260208
AFDMTR
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
708 PM PDT SAT OCT 25 2025
..NEW UPDATE, MARINE, BEACHES
KEY MESSAGES
UPDATED AT 702 PM PDT SAT OCT 25 2025
- HAZARDOUS BEACH CONDITIONS CONTINUE THROUGH SUNDAY NIGHT
- BENEFICIAL RAIN SHOWERS CONTINUE THROUGH SUNDAY
- WARMING AND DRYING TREND MONDAY
UPDATE
ISSUED AT 702 PM PDT SAT OCT 25 2025
RAIN SHOWERS CONTINUE ACROSS THE REGION WITH 0.10" OR LESS BEING
RECORDED IN THE LAST 6 HOURS. THE PRIMARY HAZARD CONTINUES TO BE
HAZARDOUS CONDITIONS AT PACIFIC COAST BEACHES. LARGE BREAKING
WAVES AND AN INCREASED RISK FOR SNEAKER WAVES AND RIP CURRENTS
CONTINUES THROUGH TOMORROW NIGHT. STAY OFF OF WATERSIDE
INFRASTRUCTURE, REMAIN OUT OF THE WATER, AND NEVER TURN YOUR BACK
ON THE OCEAN! NO UPDATES TO THE FORECAST NECESSARY AT THIS TIME.
SARMENT
SHORT TERM
ISSUED AT 203 PM PDT SAT OCT 25 2025
(THIS EVENING THROUGH SUNDAY)
AS EXPECTED, THE NORTH BAY COASTAL RANGES AND INLAND HILLS/HIGHER
PEAKS PICKED UP THE MOST RAINFALL FROM TODAY AS A COLD FRONT MOVE
THROUGH THE REGION. RAINFALL AMOUNTS WHERE ANYWHERE FROM 0.25" TO
0.75" WITH MOUNT TAMALPAIS PICKING UP 1.16". THE FRONTAL BOUNDARY
CONTINUES TO MOVE SOUTHWARD ACROSS THE CENTRAL COAST WITH LITTLE TO
NO MEASURABLE RAINFALL AS THE SYSTEM CONTINUES TO WEAKEN. THE
EXCEPTION BEING THE HILLS OF THE SAN FRANCISCO PENINSULA AND THE
SANTA CRUZ MOUNTAINS WHERE UP TO 0.20" CAN BE EXPECTED THROUGH THE
REMAINDER OF THE DAY.
THE FAR NORTHERN PORTIONS OF THE NORTH BAY MAY HAVE LINGERING POST
FRONTAL RAIN SHOWERS THIS AFTERNOON AND WILL BEGIN TO TAPER OFF THIS
EVENING. COOLER CONDITIONS ARE FORECAST FOR TONIGHT WITH LOWS SUNDAY
MORNING RANGING FROM THE MID 50S NEAR THE COAST TO UPPER 40S INLAND.
A SECOND FRONTAL BOUNDARY WILL MOVE THROUGH THE NORTH BAY SUNDAY
MORNING THROUGH AFTERNOON BRINGING ABOUT HALF THE AMOUNT OF RAINFALL
TO THE REGION AS TODAY. THE BAY AREA AND SANTA CRUZ MOUNTAINS MAY
PICK UP JUST A FEW HUNDREDTHS OF AN INCH. RAINFALL CHANCES GREATLY
DIMINISH LATE SUNDAY EVENING ACROSS ALL OF THE REGION.
LONG TERM
ISSUED AT 203 PM PDT SAT OCT 25 2025
(SUNDAY NIGHT THROUGH NEXT FRIDAY)
DRY CONDITIONS RETURN BY MONDAY WITH A SLIGHT WARMING TREND WITH
TEMPERATURES APPROACHING SEASONAL AVERAGES. TEMPERATURES MONDAY
AFTERNOON ARE FORECAST TO BE IN THE MID 60S NEAR THE COAST TO
LOWER/MID 70S ACROSS THE INTERIOR UNDER MOSTLY SUNNY CONDITIONS
(AFTER ANY MORNING CLOUDS DISSIPATE). A MORE ROBUST WARMING TREND IS
EXPECTED THROUGH WEDNESDAY AS WEAK OFFSHORE DEVELOPS WITH AFTERNOON
TEMPERATURES REACHING ABOUT 5-10 DEGREES ABOVE NORMAL. THUS, LOW
HUMIDITY (ESPECIALLY IN THE HIGHER TERRAIN) AND CLEAR SKIES ARE
LIKELY TO PREVAIL. ONSHORE WINDS WILL RETURN BY THURSDAY BRINGING
PLEASANT WEATHER THROUGH THE REMAINDER OF THE WEEK AND INTO NEXT
WEEKEND AS THE UPPER LEVEL PATTERN RETURNS TO MORE OF A ZONAL FLOW.
AVIATION
(00Z TAFS)
ISSUED AT 505 PM PDT SAT OCT 25 2025
IT'S VFR-MVFR EXCEPT ALONG A NARROW COLD FRONTAL BAND MOVING
SOUTHEASTWARD ACROSS THE BAY AREA WILL BRING SCATTERED SHOWERS
/MVFR-IFR/ THIS EVENING AND TONIGHT. POST FRONTAL CLEARING WILL
LEAD TO LOW CLOUDS AND PATCHY FOG /LIFR-IFR/ DEVELOPMENT LATER
TONIGHT AND SUNDAY MORNING. A NEW FRONTAL BAND ARRIVES SUNDAY WITH
ADDITIONAL SHOWERS.
VICINITY OF SFO...VFR EXCEPT TEMPO IFR IN PASSING SHOWERS 03Z-07Z
THIS EVENING. LIGHT RAIN WITH ANOTHER FRONT ARRIVES MAINLY LATER
SUNDAY. WESTERLY WIND BECOMING MAINLY LIGHT SOUTHWEST WIND TONIGHT,
INCREASING TO 10 TO 12 KNOTS SUNDAY AFTERNOON AND EVENING.
SFO BRIDGE APPROACH...SIMILAR TO SFO.
MONTEREY BAY TERMINALS...MVFR-IFR WITH A FEW SHOWERS ALONG A
SOUTHEASTWARD MOVING AND DISSIPATING COOL FRONT EARLY THIS EVENING.
ADDITIONAL SHOWERS LATER ON BETWEEN 05Z-09Z TONIGHT AND SUNDAY
MORNING. WESTERLY WINDS 5 TO 10 KNOTS AND DECREASING AND BECOMING
MAINLY LIGHT AND VARIABLE TONIGHT AND SUNDAY MORNING THEN WESTERLY
NEAR 10 KNOTS SUNDAY AFTERNOON AND EARLY EVENING.
MARINE
(TONIGHT THROUGH NEXT FRIDAY)
ISSUED AT 702 PM PDT SAT OCT 25 2025
HAZARDOUS SEAS WILL PREVAIL ACROSS THE WATERS THROUGH THE WEEKEND
THEN EASE INTO MONDAY. A FEW LIGHT SHOWERS WILL MOVE ACROSS THE
WATERS EARLY TONIGHT. ADDITIONAL LIGHT RAINS AFFECT THE NORTHERN
WATERS EARLY SUNDAY, BUT EXIT THAT AFTERNOON.
BEACHES
ISSUED AT 702 PM PDT SAT OCT 25 2025
A MODERATE TO LONG PERIOD NORTHWESTERLY SWELL WILL CONTINUE TO
BRING LARGE BREAKING WAVES AND AN INCREASED RISK FOR SNEAKER
WAVES AND RIP CURRENTS THROUGH SUNDAY NIGHT. SNEAKER WAVES CAN
UNEXPECTEDLY RUN SIGNIFICANTLY FARTHER UP THE BEACH THAN NORMAL,
INCLUDING OVER ROCKS AND JETTIES. RIP CURRENTS ARE TYPICALLY MORE
FREQUENT AND STRONGER IN THE VICINITY OF JETTIES, INLETS, AND
PIERS. SWIMMERS SHOULD ALWAYS SWIM NEAR A LIFEGUARD. REMAIN OUT OF
THE WATER TO AVOID HAZARDOUS SWIMMING CONDITIONS AND NEVER TURN
YOUR BACK ON THE OCEAN!
SARMENT
MTR WATCHES/WARNINGS/ADVISORIES
CA...BEACH HAZARDS STATEMENT THROUGH LATE SUNDAY NIGHT FOR CAZ006-505-
509-529-530.
PZ...SMALL CRAFT ADVISORY FROM 9 AM TO 3 PM PDT SUNDAY FOR SF BAY N
OF BAY BRIDGE.
SMALL CRAFT ADVISORY UNTIL 3 PM PDT SUNDAY FOR PT ARENA TO PT
REYES 0-10 NM.
SMALL CRAFT ADVISORY UNTIL 9 AM PDT SUNDAY FOR PT REYES TO
PIGEON PT 0-10 NM.
SMALL CRAFT ADVISORY FROM 3 AM TO 3 PM PDT SUNDAY FOR PIGEON PT
TO PT PINOS 0-10 NM.
SMALL CRAFT ADVISORY FROM 3 AM TO 9 PM PDT SUNDAY FOR PT PINOS
TO PT PIEDRAS BLANCAS 0-10 NM.
SMALL CRAFT ADVISORY UNTIL 9 AM PDT MONDAY FOR PIGEON PT TO PT
PINOS 10-60 NM-PT ARENA TO PT REYES 10-60 NM.
SHORT TERM...RGASS
LONG TERM....RGASS
AVIATION...CANEPA
MARINE...CANEPA
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