233
FZUS56 KSGX 180721
CWFSGX
COASTAL WATERS FORECAST FOR CALIFORNIA
NATIONAL WEATHER SERVICE SAN DIEGO CA
1221 AM PDT SUN OCT 18 2026
SAN MATEO POINT TO THE MEXICAN BORDER OUT 60 NM
PZZ700-182015-
1221 AM PDT SUN OCT 18 2026
SYNOPSIS FOR THE FAR SOUTHERN CA COAST
AT 12 AM, A 1027 MB HIGH WAS CENTERED APPROXIMATELY 515 MILES WEST
OF THE CA/OR BORDER OVER THE PACIFIC OCEAN, AND A 1013 MB LOW WAS
LOCATED OVER THE NAPA VALLEY AREA IN CENTRAL CALIFORNIA. WEAK
OFFSHORE FLOW IS EXPECTED THROUGH THIS EARLY MORNING, WITH
ONSHORE FLOW RETURNING BY LATER DAY AND ONWARD, BUT MAY BRIEFLY
TURN WEAKLY OFFSHORE AGAIN TONIGHT. SOUTHERLY FLOW WILL INCREASE
WEDNESDAY AS A WEATHER SYSTEM ARRIVES.
PZZ740-182015-
COASTAL WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER AND OUT
TO 10 NM-
1221 AM PDT SUN OCT 18 2026
TODAY...WIND VARIABLE LESS THAN 10 KT
BECOMING NW 10 KT THIS
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: NW 1 FOOT AT 15 SECONDS
AND SW 4 FT AT 16 SECONDS.
TONIGHT...WIND NW 10 KT IN THE EVENING
BECOMING VARIABLE LESS
THAN 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NW 1 FOOT AT 4 SECONDS,
W 2 FT AT 14 SECONDS AND SW 4 FT AT 16 SECONDS.
MON
WIND VARIABLE LESS THAN 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: W 1 FOOT AT 4 SECONDS, W 2 FT AT 12 SECONDS AND SW 4 FT
AT 16 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
MON NIGHT
WIND VARIABLE LESS THAN 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: W 3 FT AT 5 SECONDS AND S 4 FT AT 16 SECONDS.
TUE...WIND VARIABLE LESS THAN 10 KT
BECOMING W 10 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: NW 3 FT AT 5 SECONDS AND
S 3 FT AT 15 SECONDS.
TUE NIGHT
WIND VARIABLE LESS THAN 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: W 1 FOOT AT 4 SECONDS, W 2 FT AT 11 SECONDS AND S 3 FT AT
15 SECONDS.
WED...WIND VARIABLE LESS THAN 10 KT
BECOMING SW 10 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS, W
2 FT AT 13 SECONDS AND S 3 FT AT 14 SECONDS. A CHANCE OF SHOWERS.
WED NIGHT...WIND W 10 KT
BECOMING SE AFTER MIDNIGHT. SEAS 3 TO
4 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS, W 2 FT AT 13 SECONDS AND
S 3 FT AT 14 SECONDS. SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
THU...WIND SW 10 TO 15 KT
BECOMING W IN THE AFTERNOON. SEAS
4 TO 5 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS, W 2 FT AT 12 SECONDS
AND S 3 FT AT 15 SECONDS. SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
THU NIGHT
WIND NW 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W 2 FT
AT 4 SECONDS, W 2 FT AT 11 SECONDS AND SW 3 FT AT 15 SECONDS. A
CHANCE OF SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
PZZ745-182015-
WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER EXTENDING 10 TO
60 NM OUT INCLUDING SAN CLEMENTE ISLAND-
1221 AM PDT SUN OCT 18 2026
TODAY...WIND VARIABLE LESS THAN 10 KT
BECOMING NW 10 KT THIS
AFTERNOON. SEAS 4 FT. WAVE DETAIL: W 1 FOOT AT 4 SECONDS, NW 2 FT
AT 14 SECONDS AND S 4 FT AT 16 SECONDS.
TONIGHT
WIND NW 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: NW 1 FOOT
AT 4 SECONDS, NW 2 FT AT 13 SECONDS AND S 4 FT AT 16 SECONDS.
MON...WIND VARIABLE LESS THAN 10 KT
BECOMING W 10 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: NW 3 FT AT 12 SECONDS AND
S 4 FT AT 16 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR
LESS.
MON NIGHT
WIND W 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: W 2 FT AT
4 SECONDS, W 3 FT AT 12 SECONDS AND S 4 FT AT 16 SECONDS. VSBY
2 NM IN THE EVENING.
TUE
WIND W 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: NW 3 FT AT
5 SECONDS AND S 4 FT AT 15 SECONDS.
TUE NIGHT...WIND W 10 KT IN THE EVENING
BECOMING VARIABLE LESS
THAN 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: W 1 FOOT AT 4 SECONDS, W
2 FT AT 12 SECONDS AND S 4 FT AT 15 SECONDS.
WED...WIND VARIABLE LESS THAN 10 KT
BECOMING SW 10 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS, S
4 FT AT 14 SECONDS AND NW 2 FT AT 14 SECONDS. A CHANCE OF
SHOWERS.
WED NIGHT...WIND VARIABLE LESS THAN 10 KT
BECOMING SW 10 KT
AFTER MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS,
W 2 FT AT 13 SECONDS AND S 4 FT AT 14 SECONDS. SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
THU
WIND W 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS, W 2 FT AT 12 SECONDS AND S 4 FT AT 15 SECONDS.
SHOWERS WITH A SLIGHT CHANCE OF TSTMS, MAINLY IN THE MORNING.
THU NIGHT
WIND NW 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: W 2 FT
AT 4 SECONDS, W 3 FT AT 11 SECONDS AND S 4 FT AT 15 SECONDS. A
CHANCE OF SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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