Offshore Forecast
Issued by NWS

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000
FZPN36 KWBC 271538
OFFN36

MARINE WEATHER HF VOICE BROADCAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
838 AM PDT THU APR 27 2017

CALIFORNIA WATERS FROM 60 NM TO 250 NM OFFSHORE.

CONDITIONS GIVEN REPRESENT THE HIGHEST WITHIN THAT PERIOD.

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

.SYNOPSIS FOR CALIFORNIA WATERS...A LOW PRES TROUGH ALONG THE SRN
AND CENTRAL COAST WILL EXPAND N TODAY...AND PERSIST INTO FRI
BEFORE SLOWLY WEAKENING. A HIGH PRES RIDGE WILL SLOWLY BUILD
TOWARDS THE CENTRAL AREAS TODAY...AND MOVE INTO THE NW WATERS
TONIGHT. THE HIGH PRES RIDGE WILL THEN PERSIST ACROSS THE NW
WATERS THROUGH SAT. A WEAK COLD FRONT WILL DISSIPATE AS IT ENTERS
THE NRN WATERS SAT NIGHT. HIGH PRES WILL REBUILD TOWARDS THE AREA
SUN THROUGH MON NIGHT AS A LOW PRES TROUGH INTENSIFIES ALONG THE
NRN AND CENTRAL COASTS.

POINT ST. GEORGE TO POINT ARENA

.TODAY...N TO NW WINDS 10 TO 20 KT...EXCEPT NW PORTION VARIABLE
LESS THAN 10 KT. SEAS 7 TO 9 FT. CHANCE OF RAIN.
.TONIGHT...N WINDS 10 TO 20 KT...EXCEPT NW PORTION 5 TO 10 KT.
SEAS 6 TO 8 FT.
.FRI...N WINDS 10 TO 20 KT...EXCEPT SE PORTION TO 25 KT. SEAS 5
TO 9 FT.
.FRI NIGHT...N WINDS 10 TO 20 KT...EXCEPT SE PORTION 20 TO 30
KT. SEAS 6 TO 10 FT.
.SAT...N WINDS 10 TO 20 KT...EXCEPT SE PORTION TO 25 KT. SEAS 6
TO 10 FT.
.SAT NIGHT...N WINDS 15 TO 25 KT...EXCEPT NW PORTION W TO NW 10
TO 20 KT. SEAS 5 TO 9 FT.
.SUN AND SUN NIGHT...N WINDS 10 TO 20 KT...EXCEPT SE PORTION TO
25 KT. SEAS 5 TO 9 FT.
.MON AND MON NIGHT...N WINDS 15 TO 25 KT...EXCEPT NW PORTION W
TO NW 10 TO 20 KT. SEAS 6 TO 10 FT.

POINT ARENA TO SANTA CRUZ ISLAND, CA

...GALE WARNING...

.TODAY...N TO NW WINDS 15 TO 25 KT...EXCEPT SE PORTION TO 30 KT.
SEAS 7 TO 11 FT.
.TONIGHT AND FRI...N WINDS 15 TO 25 KT...EXCEPT SE PORTION 25 TO
35 KT. SEAS 8 TO 14 FT.
.FRI NIGHT...N WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.SAT THROUGH SUN...N WINDS 15 TO 25 KT. SEAS 6 TO 11 FT.
.SUN NIGHT AND MON...N WINDS 20 TO 30 KT. SEAS 6 TO 11 FT.
.MON NIGHT...N WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

SANTA CRUZ ISLAND, CA TO SAN CLEMENTE ISLAND, CA...SOUTH TO
GUADALUPE ISLAND

...GALE WARNING...

.TODAY...N TO NW WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.TONIGHT AND FRI...N TO NW WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
.FRI NIGHT...N TO NW WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.SAT...N WINDS 15 TO 25 KT. SEAS 7 TO 12 FT.
.SAT NIGHT AND SUN...N WINDS 10 TO 20 KT. SEAS 5 TO 9 FT.
.SUN NIGHT THROUGH MON NIGHT...N TO NW WINDS 10 TO 20 KT. SEAS 5
TO 9 FT.

.FORECASTER ACHORN. OCEAN PREDICTION CENTER.


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