271
FXUS66 KMTR 291711
AFDMTR
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1011 AM PDT SUN MAR 29 2026
..NEW AVIATION, MARINE
KEY MESSAGES
UPDATED AT 142 AM PDT SUN MAR 29 2026
- ABOVE NORMAL TEMPERATURES TODAY.
- COOLER CONDITIONS RETURN MONDAY, THOUGH TEMPERATURES REMAIN ABOVE
NORMAL.
- PERIODIC CHANCES FOR LIGHT RAIN TUESDAY-THURSDAY.
- HIGH TEMPERATURES TUESDAY-THURSDAY WILL BE NEAR NORMAL TO BELOW
NORMAL.
SHORT TERM
ISSUED AT 142 AM PDT SUN MAR 29 2026
(TODAY AND TONIGHT)
QUIET WEATHER CONTINUES THROUGH SUNDAY, WITH THE MORNING FORECAST
INCLUDING A SOUTHERLY SURGE OF STRATUS. THIS CAN BE SEEN ON
SATELLITE THIS MORNING AS IT CREEPS UP THE COAST OF MONTEREY. THE
QUESTION BECOMES HOW FAR UP THE COAST IT MAKES IT BEFORE IT GETS
MIXED OUT BY MORNING. AFTER THAT, ANOTHER WARM DAY IS ON TAP WITH
HIGH TEMPERATURES BEING ABOVE NORMAL AGAIN.
LONG TERM
ISSUED AT 142 AM PDT SUN MAR 29 2026
(MONDAY THROUGH SATURDAY)
ZONAL FLOW CONTINUES THROUGH MONDAY, THOUGH A COOLING TREND WILL
BEGIN. HIGH TEMPERATURES WILL REMAIN ABOVE NORMAL FOR ONE MORE
DAY, BEFORE BECOMING NEAR NORMAL TO JUST BELOW NORMAL ON TUESDAY
DUE TO A PATTERN CHANGE. AN SHORTWAVE TROUGH PASSES OVER THE
REGION WHICH WILL BRING 20-40% CHANCE OF RAIN, FAVORING THE
COASTAL MOUNTAINS AND THE BAY AREA. WEDNESDAY CHANCES INCREASE FOR
THE NORTH BAY BEFORE GRADUALLY TAPERING OFF INTO THURSDAY.
TEMPERATURES BEGINS TO RISE FRIDAY AND INTO THE WEEKEND. AN UPPER
LOW SLIDES INTO THE PACNW THU AND THEN LOOKS TO SLIDE INTO
INTERMOUNTAIN WEST, WHILE HIGH PRESSURE BUILDS OVER THE WESTERN
PACIFIC. THIS MAY ALSO BRING SOME BREEZIER WINDS.
AVIATION
(18Z TAFS)
ISSUED AT 1010 AM PDT SUN MAR 29 2026
CURRENTLY VFR AT ALL TERMINALS WITH HIGH CLOUDS STREAMING IN AND
STRATUS REMAINING CONFINED TO THE BIG SUR COAST. MODERATE TO HIGH
CONFIDENCE ON VFR PREVAILING THROUGH THE TAF PERIOD. TONIGHT ANOTHER
SOUTHERLY SURGE MAY TRY AGAIN AND CONDITIONS WILL COOL AND MOISTEN
WITH AN APPROACHING COLD FRONT, BUT CONFIDENCE IS LOW THAT SUB-VFR
CONDITIONS WILL DEVELOP AT THE TERMINALS AS A RESULT. DIURNAL WINDS
WILL PREVAIL. HAZE WILL REDUCE SLANT RANGE VISIBILITIES.
VICINITY OF SFO...CURRENTLY VFR WITH LIGHT NORTHEASTERLY FLOW. HIGH
CONFIDENCE IN VFR THROUGH THE TAF PERIOD. WINDS WILL BACK THROUGH
THE TAF PERIOD, MAINTAINING DIURNAL PATTERNS.
SFO BRIDGE APPROACH...SIMILAR TO SFO.
MONTEREY BAY TERMINALS...CURRENTLY VFR AND CALM AT MRY AND VFR WITH
DRAINAGE FLOW AT SNS. MODERATE CONFIDENCE ON VFR PREVAILING THROUGH
THE TAF PERIOD. A SOUTHERLY SURGE MAY TRY AGAIN TONIGHT, BUT
CONFIDENCE IS LOW THAT IT'LL IMPACT THE TERMINALS. EVEN IF THE
TERMINALS AREN'T DIRECTLY IMPACTED, LOW CEILINGS/VISIBILITIES SHOULD
BE EXPECTED WITHIN THE AREA, ESPECIALLY ALONG THE BIG SUR COAST.
DIURNAL WINDS WILL PREVAIL.
MARINE
(TODAY THROUGH FRIDAY)
ISSUED AT 1010 AM PDT SUN MAR 29 2026
A MODERATE NORTHERLY BREEZE AND MODERATE SEAS CONTINUE THROUGH
MONDAY BEFORE WINDS WEAKEN AND SHIFT TO A SW DIRECTION TUESDAY. A
COLD FRONT WILL MOVE THROUGH WEDNESDAY, FOLLOWED BY NEAR GALE
FORCE NW WINDS AND ROUGH SEAS THURSDAY INTO FRIDAY.
CLIMATE
ISSUED AT 952 PM PDT SAT MAR 28 2026
HERE ARE THE RECORD HIGH TEMPERATURES AT THE LONG TERM SITES FOR
MARCH 29TH.
LOCATION MARCH 29TH
SANTA ROSA 86 IN 2018
SAN RAFAEL 85 IN 2018
KENTFIELD 84 IN 1935
NAPA 83 IN 2018, 1968
RICHMOND 79 IN 1968
LIVERMORE 85 IN 2015
SAN FRANCISCO 81 IN 2018
SFO AIRPORT 81 IN 2018
REDWOOD CITY 85 IN 2018, 1968
HALF MOON BAY 77 IN 2004
OAKLAND 79 IN 2003
SAN JOSE 82 IN 2018
SALINAS AIRPORT 86 IN 2018
MTR WATCHES/WARNINGS/ADVISORIES
CA...NONE.
PZ...SMALL CRAFT ADVISORY FROM 3 PM THIS AFTERNOON TO 9 AM PDT MONDAY
FOR PT ARENA TO PT REYES 10-60 NM.
SHORT TERM...KR
LONG TERM....KR
AVIATION...SARMENT
MARINE...FLYNN
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