High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 171006
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SAT AUG 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

POINT REYES RADIOFAX IS CURRENTLY UNRELIABLE. TECHNICIANS ARE
AWARE AND ARE WORKING ON THE PROBLEM.

SECURITE

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

SYNOPSIS VALID 0600 UTC AUG 17.
24 HOUR FORECAST VALID 0600 UTC AUG 18.
48 HOUR FORECAST VALID 0600 UTC AUG 19.

.WARNINGS.

...GALE WARNING...
.FROM 33N TO 46N BETWEEN 123W AND 130W AREA OF NW TO N WINDS 20
TO 30 KT. SEAS 8 TO 14 FT.
.18 HOUR FORECAST FROM 38N TO 43N BETWEEN 124W AND 127W AREA OF
NW TO N WINDS 25 TO 35 KT. SEAS 9 TO 14 FT.
.24 HOUR FORECAST FROM 36N TO 43N BETWEEN 124W AND 129W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST FROM 37N TO 41N BETWEEN 124W AND 126W WINDS
LESS THAN 25 KT. SEAS TO 8 FT.

...GALE WARNING...
.LOW 60N148W 1015 MB MOVING SE 20 KT. OVER FORECAST WATERS
WITHIN 180 NM SW AND 360 NM W QUADRANTS WINDS 25 TO 35 KT. SEAS
TO 11 FT.
.24 HOUR FORECAST LOW 55N134W 1002 MB. WITHIN 300 NM NW QUADRANT
WINDS 25 TO 40 KT. SEAS TO 12 FT. ELSEWHERE WITHIN 360 NM S AND
480 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 53N131W 1008 MB. WITHIN 480 NM S AND 360
NM W QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT.

...GALE WARNING...
.LOW 51N177E 1007 MB MOVING NW 10 KT. WITHIN 420 NM NE AND E OF
A FRONT EXTENDING FROM 55N174E TO THE LOW TO 48N180W WINDS 25 TO
35 KT. SEAS 9 TO 18 FT...HIGHEST NEAR 50N178W.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED BELOW
WITH LOW 46N176W.

...GALE WARNING...
.LOW 33N176E 1009 MB MOVING NE 35 KT. OVER FORECAST WATERS
WITHIN 240 NM E OF A FRONT EXTENDING FROM 36N180W TO THE LOW TO
30N172E WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 42N170W 1004 MB. WITHIN 240 NM NE
SEMICIRCLE AND 180 NM S QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 14
FT. ELSEWHERE WITHIN 180 NM E AND SE OF A FRONT TO EXTEND FROM
39N170W TO 35N174W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 45N170W 1001 MB
AND NEW SECOND CENTER 42N162W 1004 MB. WITHIN 180 NM N AND NE
QUADRANTS OF MAIN CENTER WINDS 20 TO 30 KT. SEAS TO 11 FT.
ELSEWHERE FROM 38N TO 48N BETWEEN 161W AND 175W WINDS TO 25 KT.
SEAS TO 10 FT.

...GALE WARNING...
.LOW 45N179W 1007 MB MOVING NE 05 KT. WITHIN 420 NM E OF A FRONT
EXTENDING FROM 48N180W TO THE LOW TO 43N176W AND WITHIN 150 NM E
OF A FRONT EXTENDING FROM 43N176W TO 40N177W TO 36N180W WINDS 25
TO 35 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST LOW 46N176W 1001 MB. WITHIN 300 NM NE AND E OF
A FRONT TO EXTEND FROM 56N172E TO 49N179E TO THE LOW TO 44N173W
WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW 48N177E 1000 MB. WITHIN 300 NM N
SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 41N161E 994 MB. OVER FORECAST WATERS
FROM 33N TO 42N BETWEEN 160E AND 168E WINDS 25 TO 35 KT. SEAS 8
TO 14 FT.
.48 HOUR FORECAST LOW 41N173E 984 MB. WITHIN 420 NM NE...780 NM
SE...540 NM SW...AND 300 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS
8 TO 16 FT. ELSEWHERE FROM 30N TO 45N BETWEEN 160E AND 176E
WINDS TO 25 KT. SEAS TO 9 FT.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 38N152W 1008 MB. WITHIN 240 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 9 FT.

.SYNOPSIS AND FORECAST.

.LOW 52N165E 996 MB MOVING SW 10 KT. OVER FORECAST WATERS FROM
38N TO 56N W OF 173E WINDS LESS THAN 25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 48N161E 1004 MB. ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 40N155W 1017 MB MOVING N 15 KT. WITHIN 240 NM SE QUADRANT
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 45N158W 1018 MB. ASSOCIATED CONDITIONS
DIMINISHED.

.FROM 46N TO 50N BETWEEN 125W AND 131W AREA OF NW WINDS 20 TO 30
KT. SEAS TO 9 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 90 NM NE OF
A LINE FROM 52N175E TO 45N178W.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM NE OF A LINE FROM
52N174E TO 47N180W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.HIGH 39N144W 1029 MB MOVING N 05 KT.
.24 HOUR FORECAST HIGH 41N143W 1026 MB.
.48 HOUR FORECAST HIGH 39N136W 1021 MB.

.HIGH 49N144W 1031 MB MOVING SE 15 KT.
.24 HOUR FORECAST HIGH MERGED WITH HIGH 41N143W.

.HIGH 53N166W 1034 MB MOVING W 05 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 57N167W 1034 MB MOVING NW 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 38N164E 1012 MB MOVING SE 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST NEW HIGH 37N179W 1014 MB.
.48 HOUR FORECAST HIGH 38N167W 1012 MB.

.48 HOUR FORECAST HIGH NW OF AREA 61N179W 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 0600 UTC SAT AUG 17.
24 HOUR FORECAST VALID 0600 UTC SUN AUG 18.
48 HOUR FORECAST VALID 0600 UTC MON AUG 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 12N90W 1012 MB. WINDS 20 KT OR LESS. SEAS LESS
THAN 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
12N93W 1010 MB. WITHIN 120 NM NE SEMICIRCLE WINDS 20 KT OR LESS.
SEAS TO 8 FT IN MIXED SE AND SW SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
13.5N95W 1008 MB. WITHIN 150 NM N SEMICIRCLE WINDS 20 TO 25 KT.
SEAS TO 8 FT.

.WITHIN 18N138W TO 18N140W TO 19N140W TO 19N139W TO 18N138W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN 30N140W TO 30N124W TO 23N140W TO 30N140W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN MIXED NE AND NW SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN 30N113W TO 30N114W TO 31N114W TO 31N113W TO 30N113W...
INCLUDING GULF OF CALIFORNIA...SE TO S WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0900 UTC SAT AUG 17...

.LOW PRES NEAR 12N90W...NUMEROUS MODERATE SCATTERED STRONG WITHIN
150 NM NW SEMICIRCLE.

.TROPICAL WAVE NEAR 96W/97W...SCATTERED MODERATE TO STRONG N OF
06N BETWEEN 93W AND 98W.

.TROPICAL WAVE NEAR 106W...SCATTERED MODERATE FROM 14N TO 15N
BETWEEN 107W AND 107W. SCATTERED MODERATE ISOLATED STRONG FROM
15N TO 17N BETWEEN 99W AND 106W.

.TROPICAL WAVE NEAR 117W...NUMEROUS MODERATE SCATTERED STRONG
FROM 08N TO 12N BETWEEN 115W AND 124W.

.TROPICAL WAVE NEAR 128W...SCATTERED MODERATE ISOLATED STRONG
FROM 14N TO 17N BETWEEN 123W AND 128W. SCATTERED MODERATE
FROM 08N TO 10N BETWEEN 128W AND 130W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N85W TO LOW PRES NEAR 12N90W TO 13N106W TO
11N120W TO 09N130W TO 08N140W. SCATTERED MODERATE ISOLATED
STRONG FROM 06N TO 08N BETWEEN 87W AND 90W...FROM 06N TO 12N
BETWEEN 109W AND 114W...AND ALSO FROM 06N TO 10N W OF 134W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.


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