496
FXUS66 KMTR 051346
AFDMTR
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
646 AM PDT FRI JUN 5 2026
..NEW UPDATE
KEY MESSAGES
UPDATED AT 125 PM PDT THU JUN 4 2026
- BREEZY TO GUSTY ONSHORE WINDS MAINLY IN THE AFTERNOON AND
EVENING
- MILD TO HOT CONDITIONS FRIDAY AFTERNOON ACROSS THE INTERIOR
- NOTABLE COOL DOWN FOR THE WEEKEND THROUGH THE MIDDLE OF NEXT
WEEK
- HAZARDOUS BEACH CONDITIONS THURSDAY NIGHT THROUGH SATURDAY
MORNING
UPDATE
ISSUED AT 643 AM PDT FRI JUN 5 2026
SOME STRATUS CLOUDS HAVE DEVELOPED NEAR HALF MOON BAY, WITHIN THE
MONTEREY BAY REGION AND DOWN THROUGH THE SALINAS VALLEY, WITH SOME
HIGH CLOUDS ACROSS THE NORTH BAY AND THE REST OF THE REGION
REMAINING CLEAR. CLEARING OF THE STRATUS CLOUDS IS EXPECTED WITHIN
THE NEXT THREE OR FOUR HOURS, AND THE FORECAST REMAINS ON TRACK.
DIALH
SHORT TERM
ISSUED AT 1245 AM PDT FRI JUN 5 2026
(TODAY AND TONIGHT)
SATELLITE SHOWS A FEW PATCHES OF CIRRUS CLOUDS AND COASTAL STRATUS
CLOUDS OTHERWISE IT'S CLEAR. COASTAL HAZE AND STRENGTHENED COLD
WATER UPWELLING HAS RETURNED IN RESPONSE TO GUSTY NORTHWEST WINDS
OVER THE COASTAL WATERS. DRY WEATHER CONTINUES UNDER A STRONG HIGH
PRESSURE SYSTEM. THE NORTHERLY ACV-SFO PRESSURE GRADIENT IS STRONG
AT 8.3 MB AND THE ONSHORE SFO-SAC PRESSURE GRADIENT IS MODERATE AT
2.9 MB.
EXPECT SUN WITH DAYTIME HIGHS IN THE UPPER 60S/70S COASTSIDE TO
THE 80S/90S WELL INLAND TODAY. MAINLY CLEAR WITH LOW TEMPERATURES
COOLING TO THE 50S TONIGHT.
LONG TERM
ISSUED AT 1245 AM PDT FRI JUN 5 2026
(SATURDAY THROUGH THURSDAY)
AN UPPER LEVEL TROUGH RETURNS SATURDAY AND SUNDAY. THIS WILL
BRING COOLER TEMPERATURES SATURDAY AND SUNDAY. EXPECT DRY WEATHER
WITH MORE COMFORTABLE OUTDOOR DAYTIME TEMPERATURES FOR THE
WEEKEND. MODEL OUTPUT HAS VARIED SOME ON THE CHANCE OF RAIN FOR
THE BAY AREA EARLY NEXT WEEK, NONETHELESS AN ACTIVE PATTERN FAVORS
A RAIN CHANCE. RAIN MAY BE MIXED WITH DRIZZLE. AFTER THIS
TIMEFRAME A STRENGTHENING 500 MB RIDGE OF HIGH PRESSURE DEVELOPS
WITH A WARMING AND DRYING TREND LATE NEXT WEEK.
AVIATION
(12Z TAFS)
ISSUED AT 351 AM PDT FRI JUN 5 2026
CURRENTLY A MIXED BAG OF MVFR-VFR WITH MVFR CEILINGS AND
VISIBILITIES AT THE COASTAL TERMINALS OF HAF, MRY, AND SNS.
HIGH CONFIDENCE IN WIDESPREAD VFR BY THIS AFTERNOON WITH A
REASONABLE BEST CASE SCENARIO AS EARLY AS 15Z. LOW TO MODERATE
CONFIDENCE ON MVFR CONDITIONS RETURNING TONIGHT, RELATIVELY HIGHEST
CONFIDENCE FOR COASTAL TERMINALS. ONSHORE WINDS WILL INCREASE
THROUGH THE DAY, REMAINING ELEVATED TONIGHT.
VICINITY OF SFO...CURRENTLY VFR WITH WESTERLY FLOW. HIGH CONFIDENCE
IN VFR THROUGH THE TAF PERIOD. WESTERLY WINDS WILL INCREASE THROUGH
THE DAY WITH GUSTS UP TO 30 KNOTS EXPECTED BY THIS AFTERNOON.
MODERATE (40%) CONFIDENCE ON GUSTS REACHING 35 KNOTS.
SFO BRIDGE APPROACH...SIMILAR TO SFO.
MONTEREY BAY TERMINALS...CURRENTLY MVFR WITH SOUTHERLY FLOW AT MRY
AND MVFR WITH WESTERLY FLOW AT SNS. HIGH CONFIDENCE IN VFR BY LATE-
MORNING - REASONABLE BEST CASE SCENARIO IS EROSION BEGINS AS EARLY
AS 15Z. LOW TO MODERATE CONFIDENCE ON CEILINGS RETURNING THIS
EVENING.
MARINE
(TODAY THROUGH WEDNESDAY)
ISSUED AT 351 AM PDT FRI JUN 5 2026
HAZARDOUS CONDITIONS FOR SMALL CRAFT CONTINUE THROUGH THE WEEKEND.
GALE FORCE GUSTS ARE EXPECTED ACROSS THE OUTER WATERS AND ALONG
THE COASTAL JET REGIONS OF POINT REYES AND POINT SUR TODAY,
EXPANDING TO ALL OF THE INNER WATERS TOMORROW. VERY ROUGH SEAS ARE
EXPECTED IN THE OUTER WATERS WITH ROUGH SEAS FOR THE INNER WATERS
THROUGH TOMORROW. CONDITIONS WILL SLIGHTLY BEGIN TO IMPROVE SUNDAY
WITH MODERATE SEAS AND MODERATE TO FRESH NORTHWESTERLY BREEZES
EXPECTED BY TUESDAY.
BEACHES
ISSUED AT 351 AM PDT FRI JUN 5 2026
A BEACH HAZARDS STATEMENT IS IN EFFECT THROUGH 9 AM SATURDAY FOR
PACIFIC COAST BEACHES. LONG PERIOD SOUTHWESTERLY SWELL OF 17-18
SECONDS AT 3 FEET WILL RESULT IN AN INCREASED RISK OF SNEAKER
WAVES AND STRONG RIP CURRENTS, ESPECIALLY AT SOUTHWEST FACING
BEACHES. DANGEROUS SWIMMING AND SURFING CONDITIONS AND LOCALIZED
BEACH EROSION CAN BE EXPECTED. SNEAKER WAVES CAN SWEEP ACROSS THE
SHORELINE WITHOUT WARNING, PULLING PEOPLE INTO THE SEA FROM ROCKS,
JETTIES, AND BEACHES. 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 THROUGH SATURDAY MORNING FOR CAZ006-505-
509-529-530.
PZ...SMALL CRAFT ADVISORY FROM 3 PM THIS AFTERNOON TO 3 AM PDT SUNDAY
FOR MRY BAY-SF BAY N OF BAY BRIDGE.
GALE WARNING UNTIL 3 AM PDT SUNDAY FOR PIGEON PT TO PT PINOS 10-
60 NM-PT ARENA TO PT REYES 0-10 NM-PT ARENA TO PT REYES 10-
60 NM.
SMALL CRAFT ADVISORY UNTIL 3 PM PDT THIS AFTERNOON FOR PT REYES
TO PIGEON PT 0-10 NM.
GALE WARNING FROM 3 PM THIS AFTERNOON TO 3 AM PDT SUNDAY FOR PT
REYES TO PIGEON PT 0-10 NM.
SMALL CRAFT ADVISORY UNTIL 3 PM PDT SATURDAY FOR PIGEON PT TO PT
PINOS 0-10 NM-PT PINOS TO PT PIEDRAS BLANCAS 0-10 NM.
GALE WARNING FROM 3 PM TO 9 PM PDT SATURDAY FOR PIGEON PT TO PT
PINOS 0-10 NM.
GALE WARNING FROM 3 PM SATURDAY TO 3 AM PDT SUNDAY FOR PT PINOS
TO PT PIEDRAS BLANCAS 0-10 NM.
SHORT TERM...CANEPA
LONG TERM....CANEPA
AVIATION...SARMENT
MARINE...SARMENT
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