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National Weather Service Marine Forecast FZPN01 KWBC

FZPN01 KWBC 212158
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SAT OCT 21 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

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.

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE
NATIONAL WEATHER SERVICE. EMAIL US AT
VOSOPS@NOAA.GOV(LOWERCASE).

THE U.S. COAST GUARD IS CURRENTLY EXPERIENCING DEGRADATION IN
IMAGE QUALITY OF ALL HFFAX PRODUCTS. TROUBLESHOOTING OF THE
PROBLEM IS TAKING PLACE.

SECURITE

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT
TO 50N 160E

SYNOPSIS VALID 1800 UTC OCT 21.
24 HOUR FORECAST VALID 1800 UTC OCT 22.
48 HOUR FORECAST VALID 1800 UTC OCT 23.

.WARNINGS.

STORM WARNING

.LOW 55N137W 976 MB MOVING NE 10 KT NEXT 12 HOURS THEN WILL TURN
N. FRONT EXTENDS FROM LOW CENTER TO 54N132W TO 51N129W TO
48N126W TO 46N124W TO 42N125W. WITHIN 60 NM E OF THE FRONT N OF
49N WINDS 40 TO 55 KT. SEAS 12 TO 21 FT. ALSO WITHIN 180 NM N
SEMICIRCLE...60 NM E OF THE REMAINDER OF FRONT...AND 360 NM S OF
A SECOND FRONT FROM 47N129W TO 42N138W TO 37N151W WINDS 25 TO 40
KT. SEAS 10 TO 19 FT. ELSEWHERE WITHIN 300 NM SE QUADRANT WINDS
20 TO 30 KT. SEAS 9 TO 13 FT.   
.24 HOUR FORECAST LOW 56N136W 990 MB. WITHIN 120 NM SW
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 10 TO 16 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

STORM WARNING

.COMPLEX LOW WITH MAIN CENTER 35N179W 1014 MB MOVING E 45 KT.
WITHIN 300 NM N OF A FRONT FROM LOW CENTER TO 34N171E TO 34N160E
WINDS 25 TO 35 KT. SEAS 10 TO 18 FT.
.24 HOUR FORECAST LOW 39N155W 995 MB. FRONT TO EXTEND FROM LOW
CENTER TO 35N161W TO 30N173W. WITHIN 120 NM NW SEMICIRCLE AND
300 NM E OF THE FRONT WINDS 30 TO 45 KT. SEAS 12 TO 21 FT. 
.30 HOUR FORECAST LOW 42N161W 991 MB. WITHIN 240 NM S AND SE
QUADRANTS WINDS 35 TO 50 KT. SEAS 14 TO 24 FT.
.48 HOUR FORECAST LOW 53N136W 993 MB. FRONT TO EXTEND FROM LOW
CENTER TO 47N142W TO 37N151W. WITHIN 300 NM NE QUADRANT WINDS 35
TO 50 KT. SEAS 14 TO 22 FT. ALSO WITHIN 360 NM S AND SE
QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 20 FT. ELSEWHERE WITHIN
300 NM E OF THE FRONT WINDS 20 TO 30 KT. SEAS 10 TO 18 FT.

STORM WARNING

.24 HOUR FORECAST BETWEEN 30N AND A LINE FROM 51N162E TO 37N165E
TO 26N175W WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.
.48 HOUR FORECAST LOW 52N163E 970 MB. WITHIN 300 NM NE AND 420
NM E QUADRANTS WINDS 35 TO 50 KT. SEAS 18 TO 30 FT. ELSEWHERE
FROM 34N TO 56N W OF 177E WINDS 25 TO 40 KT. SEAS 12 TO 24 FT.

GALE WARNING

.LOW 54N145W 972 MB MOVING E 15 KT. WITHIN 840 NM S AND SW AND
180 NM N AND NW QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 24
FT...EXCEPT IN N AND NW QUADRANTS 8 TO 12 FT.
.24 HOUR FORECAST LOW 52N130W 998 MB. WITHIN 360 NM S QUADRANT
WINDS 25 TO 35 KT. SEAS 14 TO 22 FT. 
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

GALE WARNING

.LOW 62N165W 986 MB MOVING S 10 KT. WITHIN 660 NM W QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 60N164W 992 MB. WITHIN 660 NM W QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. 
.48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM 59N170W
1002 MB. WITHIN 180 NM W AND SW QUADRANTS WINDS 20 TO 30 KT.
SEAS 8 TO 12 FT.

GALE WARNING

.LOW 53N172W 1001 MB MOVING E 20 KT. WITHIN 780 NM S AND 600 NM
SW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 52N160W 995 MB. WITHIN 240 NM S AND SE AND
960 NM W QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.36 HOUR FORECAST LOW 55N156W 994 MB. WITHIN 120 NM E SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW INLAND AND CONDITIONS DIMINISHED.

GALE WARNING

.48 HOUR FORECAST NEW LOW 33N156W 1003 MB. N OF 30N AND WITHIN
780 NM W AND NW QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
ELSEWHERE WITHIN 420 NM SE SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8
TO 14 FT.

.SYNOPSIS AND FORECAST.

.FROM 30N TO 35N BETWEEN 118W AND 124W N TO NW WINDS 20 TO 30
KT. SEAS 10 TO 18 FT.
.24 HOUR FORECAST FROM 31N TO 36N BETWEEN 120W AND 124W N TO NW
WINDS TO 25 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST FROM 35N TO 40N BETWEEN 124W AND 126W N WINDS
TO 25 KT. SEAS 8 TO 12 FT.

.24 HOUR FORECAST NEW LOW 57N148W 996 MB. WITHIN 120 NM S AND SW
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.48 HOUR FORECAST NEW LOW 50N155W 1004 MB. WITHIN 120 NM S AND
SW SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 9 FT.

.DENSE FOG. 48 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
WITHIN 180 NM E OF A LINE FROM 53N136W TO 41N144W AND FROM 35N
TO 52N W OF 170E.

.HIGH 32N131W 1027 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH 38N132W 1033 MB.

.HIGH JUST W OF AREA 46N159E 1035 MB MOVING E 15 KT.
.24 HOUR FORECAST HIGH 44N169E 1036 MB.
.48 HOUR FORECAST HIGH 37N180W 1031 MB.

.FORECASTER ACHORN. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1800 UTC SAT OCT 21.
24 HOUR FORECAST VALID 1800 UTC SUN OCT 22.
48 HOUR FORECAST VALID 1800 UTC MON OCT 23.

.WARNINGS.

GALE WARNING

.30 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N BETWEEN 94.5W AND
95.5W N WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT.
.42 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W
TO 14N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
30 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE
OF A LINE FROM 16N95W TO 13N95.5W N TO NE WINDS 20 TO 30 KT. SEAS
8 TO 11 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.WITHIN AREA BOUNDED BY 21N112W TO 10N127W TO 09N140W TO 30N140W
TO 30N116W TO 21N112W...INCLUDING SEBASTIAN VIZCAINO BAY...
WINDS 20 KT OR LESS. SEAS 8 TO 16 FT IN NW SWELL...HIGHEST NEAR
30N120W.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 06N114W TO 03.4S111W
TO 00N140W TO 30N140W TO 30N116W TO 18N107W TO 06N114W...
INCLUDING SEBASTIAN VIZCAINO BAY...WINDS 20 KT OR LESS. SEAS 8 TO
12 FT IN NW SWELL...HIGHEST NEAR 24N118W.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 06N101W TO 03.4S110W
TO 03.4S120W TO 00N140W TO 30N140W TO 30N117W TO 06N101W WINDS
20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.

.WITHIN AREA BOUNDED BY 03.4S116W TO 03.4S120W TO 02S120W TO
02S118W TO 03.4S116W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO
SW SWELL.
.24 HOUR FORECAST CONDITIONS MERGE.

.WITHIN AREA BOUNDED BY 04N81W TO 03N83W TO 04N85W TO 05N85W TO
06N83W TO 05N81W TO 04N81W...INCLUDING NEAR THE AZUERO
PENINSULA...WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SW AND NW
SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST GULF OF CALIFORNIA N OF 24N W OF 110W NW TO N
WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST GULF OF CALIFORNIA N OF 30N W OF 113.5W NW TO N
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 2100 UTC SAT OCT 21...

NUMEROUS MODERATE SCATTERED STRONG N OF 05N E OF 80W
INCLUDING
THE GULF OF PANAMA.

INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH

MONSOON TROUGH AXIS EXTENDS FROM 09N78W TO 10N89W TO 08N98W TO
10N112W TO 09N120W. ITCZ AXIS EXTENDS FROM 09N120W TO 10N130W TO
09N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 75 NM EITHER
SIDE OF AXIS BETWEEN 95W AND 106W...WITHIN 120 NM S OF A LINE
FROM 11N110W TO 10N116W TO 08N121W...AND FROM 08N TO 10N W OF
128W.


.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.