High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 181614
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC MON MAR 18 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

SECURITE

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

METAREA IV BULLETIN WILL ONLY BE BROADCAST FROM THE INMARSAT
AOE SATELLITE. PLEASE ENSURE YOUR RECEIVER IS POINTED
CORRECTLY.

SYNOPSIS VALID 1200 UTC MAR 18.
24 HOUR FORECAST VALID 1200 UTC MAR 19.
48 HOUR FORECAST VALID 1200 UTC MAR 20.

.WARNINGS.

...STORM WARNING...
.LOW 47N175W 975 MB MOVING NE 20 KT. BETWEEN 300 NM AND 660 NM
SW QUADRANT WINDS 40 TO 50 KT. SEAS 18 TO 33 FT. ELSEWHERE FROM
33N TO 52N BETWEEN 164W AND 170E WINDS 25 TO 40 KT. SEAS 10 TO
26 FT...HIGHEST SW QUADRANT.
.24 HOUR FORECAST LOW 49N164W 982 MB. FRONT TO EXTEND FROM THE
LOW TO 47N155W TO 42N148W TO 40N148W TO 34N153W. WITHIN 480 NM N
AND NW SEMICIRCLES...AND N OF 46N WITHIN 300 NM NE OF THE
FRONT...AND S OF 46N WITHIN 180 NM E AND SE OF THE FRONT...AND
WITHIN 480 NM SW OF A LINE FROM THE LOW TO 41N149W WINDS 25 TO
40 KT. SEAS 15 TO 30 FT S OF THE LINE...AND SEAS 10 TO 22 FT
ELSEWHERE.
.48 HOUR FORECAST LOW 47N164W 980 MB. BETWEEN 180 NM AND 420 NM
N...AND 600 NM SW AND 420 NM W QUADRANTS WINDS 30 TO 45 KT. SEAS
12 TO 24 FT. ELSEWHERE WITHIN 240 NM NW OF A LINE FROM 59N163W
TO 47N173W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.

...STORM WARNING...
.LOW 37N163E 1004 MB MOVING E 40 KT. OVER FORECAST WATERS WITHIN
180 NM E...NW AND N...AND 360 NM S QUADRANTS WINDS 25 TO 35 KT.
SEAS 9 TO 14 FT.
.18 HOUR FORECAST LOW 37N176E 998 MB. WITHIN 300 NM SW AND 180
NM NW QUADRANTS WINDS 40 TO 50 KT. SEAS 10 TO 19 FT.
.24 HOUR FORECAST LOW 38N176W 994 MB. WITHIN 360 NM SW QUADRANT
WINDS 40 TO 50 KT. SEAS 13 TO 22 FT. ELSEWHERE FROM 30N TO 40N
BETWEEN 169W AND 171E WINDS 25 TO 40 KT. SEAS 11 TO 22 FT.
.48 HOUR FORECAST LOW 41N158W 972 MB. WITHIN 420 NM S QUADRANT
WINDS 45 TO 60 KT. SEAS 16 TO 32 FT. ELSEWHERE FROM 30N TO 45N
BETWEEN 145W AND 176W WINDS 30 TO 45 KT. SEAS 12 TO 25 FT...
HIGHEST S.

...GALE WARNING...
.LOW 48N143W 995 MB MOVING N 25 KT. WITHIN 360 NM E OF A FRONT
EXTENDING FROM 43N139W TO THE LOW TO 59N141W WINDS 25 TO 40 KT.
SEAS 12 TO 24 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED IN GALE
WARNING BELOW WITH LOW 46N140W.

...GALE WARNING...
.LOW 38N139W 999 MB MOVING N 20 KT. WITHIN 300 NM E OF A FRONT
EXTENDING FROM 43N139W TO 40N138W TO 34N134W TO 30N134W WINDS 25
TO 35 KT. SEAS 11 TO 22 FT. ELSEWHERE OVER FORECAST WATERS
WITHIN 780 NM S AND 840 NM W QUADRANTS WINDS 20 TO 30 KT. SEAS
10 TO 20 FT.
.24 HOUR FORECAST LOW 46N140W 997 MB. FROM 30N TO 46N BETWEEN
124W AND 141W AND FROM 46N TO 60N E OF 142W WINDS TO 25 KT. SEAS
8 TO 16 FT.
.48 HOUR FORECAST LOW 56N153W 987 MB. WITHIN 540 NM E AND 360 NM
N QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW NW OF AREA 52N154E 986 MB. OVER FORECAST
WATERS W OF A LINE FROM 52N164E TO 47N164E TO 42N160E WINDS 25
TO 35 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW NW OF AREA 53N164E 990 MB. N OF 45N W OF
176E AND WITHIN 180 NM SE OF A FRONT TO EXTEND FROM 45N174E TO
42N160E WINDS 25 TO 35 KT. SEAS 10 TO 21 FT.

.SYNOPSIS AND FORECAST.

.LOW 58N154W 988 MB MOVING N 10 KT. OVER FORECAST WATERS WITHIN
360 NM E QUADRANT WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND WITH ASSOCIATED
CONDITIONS DIMINISHED.

.48 HOUR FORECAST NEW LOW 38N124W 1008 MB. WITHIN 360 NM SW
QUADRANT WINDS 20 TO 30 KT. SEAS 10 TO 13 FT. ELSEWHERE FROM 30N
TO 43N BETWEEN 119W AND 140W WINDS TO 25 KT. SEAS TO 12 FT.

.LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF ALASKA.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 58N162W TO 58N166W TO 60N170W TO 60N179W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 59N162W TO 59N171W TO 61N176W.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 48N TO 51N
BETWEEN 141W AND 143W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.DENSE FOG. 48 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 38N TO 43N BETWEEN 150W AND 154W.

.HIGH 60N172W 1004 MB MOVING E 05 KT.
.24 HOUR FORECAST HIGH 59N170W 1009 MB
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 32N175E 1017 MB MOVING E 35 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.48 HOUR FORECAST HIGH 36N171E 1030 MB.

.FORECASTER HUFFMAN. 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 1200 UTC MON MAR 18.
24 HOUR FORECAST VALID 1200 UTC TUE MAR 19.
48 HOUR FORECAST VALID 1200 UTC WED MAR 20.

.WARNINGS.

...GALE WARNING...
.WITHIN 30 NM OF LINE FROM 16N95W TO 13.5N95.5W...INCLUDING GULF
OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 10 TO 13 FT.
ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W TO 12N96W N TO NE
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.06 HOUR FORECAST WITHIN 90 NM OF LINE FROM 16N95W TO 14N95.5W
TO 11.5N98W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST WITHIN 60 NM OF LINE FROM 16N95W TO
12.5N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30 KT. SEAS 8 TO 12 FT.
.42 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 14N95W...
INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS
9 TO 12 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W TO
13N95.5W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO
13N95.5W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 25 TO
30 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM
16N95W TO 12N96W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N134W TO 26N136W TO 22N140W. WITHIN 180 NM E
OF FRONT S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. ELSEWHERE W
OF FRONT W WINDS 20 TO 25 KT. SEAS 9 TO 15 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N126W TO 23N131W TO 19N137W.
N OF 25N WITHIN 60 NM E OF FRONT SW WINDS 20 TO 25 KT. SEAS TO 9
FT. ELSEWHERE N OF 26N WITHIN 360 NM W OF FRONT W TO NW WINDS 20
TO 25 KT. SEAS 8 TO 16 FT IN NW SWELL. REMAINDER OF AREA W OF
FRONT WINDS 20 KT OR LESS. SEAS 8 TO 15 FT IN NW SWELL.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 30N117W TO 25N119W
TO 20N128W. OVER FORECAST WATERS W OF FRONT WINDS 20 KT OR LESS.
SEAS 8 TO 13 FT IN NW SWELL...HIGHEST NEAR 30N125W.

.WITHIN 90 NM OF LINE FROM 11N86W TO 09N90W...INCLUDING GULF
OF PAPAGAYO...NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.12 HOUR FORECAST FROM 07N TO 12N BETWEEN 86W AND 92W WINDS 20
KT OR LESS. SEAS TO 9 FT PRIMARILY IN SW SWELL.
.24 HOUR FORECAST WITHIN 45 NM OF LINE FROM 11N86W TO 10N89W...
INCLUDING GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO
8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.N OF 04N BETWEEN 79W AND 81W...INCLUDING GULF OF PANAMA...N
TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 03N TO 12N BETWEEN 90W AND 110W WINDS 20 KT OR LESS. SEAS
TO 9 FT PRIMARILY IN SW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST FROM 04N TO 12N BETWEEN 95W AND 107W WINDS 20
KT OR LESS. SEAS TO 8 FT PRIMARILY IN SW SWELL.

.FROM 07N TO 15N BETWEEN 110W AND 140W WINDS 20 KT OR LESS. SEAS
TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST FROM 06N TO 20N BETWEEN 120W AND 140W NE WINDS
20 TO 25 KT. SEAS 8 TO 12 FT IN NW AND NE SWELL. ELSEWHERE W OF
A LINE FROM 06N120W TO 00N140W WINDS 20 KT OR LESS. SEAS TO 10
FT IN NW SWELL.

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

CONVECTION VALID AT 1500 UTC MON MAR 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 09N83W TO 06N87W TO 03N95W. ITCZ FROM 03N95W TO
01N100W TO 02N110W TO 04N125W TO 06N140W. SCATTERED MODERATE
WITHIN 60 NM OF TROUGH BETWEEN 85W AND 95W AND WITHIN 120 NM N
OF ITCZ BETWEEN 105W AND 110W.

$$
.FORECASTER REINHART. NATIONAL HURRICANE CENTER.



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