

705 

FZPN01 KWBC 172200

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

2230 UTC WED AUG 17 2016 



SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 



SYNOPSIS VALID 1800 UTC AUG 17. 

24 HOUR FORECAST VALID 1800 UTC AUG 18. 

48 HOUR FORECAST VALID 1800 UTC AUG 19. 



.WARNINGS. 



...GALE WARNING... 

.LOW 53N161W 1000 MB MOVING NW 05 KT. OVER FORECAST WATERS 

BETWEEN 180 NM AND 360 NM N...WITHIN 300 NM E...BETWEEN 90 NM 

AND 300 NM S...AND BETWEEN 180 NM AND 420 NM W QUADRANTS...AND 

WITHIN 90 NM EITHER SIDE OF A LINE FROM 59N152W TO 56N142W TO 

54N140W WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.

.24 HOUR FORECAST LOW 56N163W 1010 MB. WITHIN 300 NM E 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST LOW 57N162W 1016 MB. WINDS LESS THAN 25 KT. 

SEAS LESS THAN 8 FT.



...GALE WARNING...

.LOW 37N164W 1014 MB MOVING NE 10 KT. WITHIN 120 NM EITHER SIDE 

OF A LINE FROM 52N144W TO 42N152W TO 36N164W AREA OF S TO SW 

WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.

.24 HOUR FORECAST LOW 42N161W 1014 MB. WITHIN 180 NM E 

SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE WITHIN 

120 NM EITHER SIDE OF A LINE FROM 55N141W TO 43N154W TO 34N166W 

AREA OF S TO SW WINDS 20 TO 30 KT. SEAS TO 11 FT.

.48 HOUR FORECAST LOW 55N144W 1018 MB WITH SECOND LOW 42N162W 

1018 MB. WITHIN 120 NM EITHER SIDE OF A LINE FROM 55N143W TO 

51N144W TO 44N155W TO 40N164W WINDS 20 TO 30 KT. SEAS TO 11 FT.



...GALE WARNING... 

.OVER FORECAST WATERS FROM 34N TO 45N BETWEEN 124W AND 133W AREA 

OF N TO NW WINDS 25 TO 40 KT...HIGHEST FROM 38N TO 43N BETWEEN 

124W AND 128W. SEAS 8 TO 16 FT. 

.24 HOUR FORECAST FROM 33N TO 45N BETWEEN 125W AND 135W AREA OF 

N WINDS 20 TO 30 KT. SEAS TO 12 FT.

.48 HOUR FORECAST WITHIN 240 NM EITHER SIDE OF A LINE FROM 

34N139W TO 45N130W AREA OF N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 

15 FT.



...GALE WARNING... 

.OVER FORECAST WATERS WITHIN 90 NM EITHER SIDE OF A LINE FROM 

45N127W TO 51N131W AREA OF NW WINDS 25 TO 35 KT. SEAS TO 11 FT. 

.24 HOUR FORECAST FROM 45N TO 53N BETWEEN 127W AND 134W AREA OF 

N TO NW WINDS 25 TO 35 KT. SEAS TO 12 FT.

.48 HOUR FORECAST CONDITIONS DESCRIBED IN GALE WARNING SECTION 

IMMEDIATELY ABOVE. 



...GALE WARNING... 

.OVER FORECAST WATERS W OF A LINE FROM 37N160E TO 30N167E AREA 

OF E TO SE WINDS 25 TO 35 KT. SEAS 9 TO 18 FT. 

.24 HOUR FORECAST W OF A LINE FROM 35N160E TO 30N164E AREA OF E 

TO SE WINDS 20 TO 30 KT. SEAS TO 12 FT. 

.48 HOUR FORECAST S OF 32N W OF 162E E TO SE WINDS TO 25 KT. 

SEAS TO 10 FT. 



.SYNOPSIS AND FORECAST. 



.FROM 42N TO 45N BETWEEN 176E AND 172E AREA OF NW WINDS TO 25 

KT. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST CONDITIONS DIMINISHED.



.48 HOUR FORECAST NW OF A LINE FROM 51N165E TO 57N178E AREA OF 

SW WINDS TO 25 KT. SEAS TO 8 FT. 



.48 HOUR FORECAST NW OF A LINE FROM 61N173W TO 64N165W AREA OF 

SW WINDS TO 25 KT. SEAS LESS THAN 8 FT.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST 

WATERS FROM 49N TO 55N BETWEEN 140W AND 150W...AND N OF 45N W OF 

175E.

.24 HOUR FORECAST DENSE FOG WITHIN 120 NM EITHER SIDE OF A LINE 

FROM 55N140W TO 48N151W...N OF 44N W OF 175E...AND N OF 64N W OF 

169W.

.48 HOUR FORECAST DENSE FOG WITHIN 120 NM EITHER SIDE OF A LINE 

FROM 55N141W TO 49N149W...N OF 64N W OF 168W...AND W OF A LINE 

FROM 46N160E TO 43N166E TO 50N180W TO 60N179W.



.HIGH 44N140W 1033 MB MOVING N 05 KT. 

.24 HOUR FORECAST HIGH 45N141W 1035 MB. 

.48 HOUR FORECAST HIGH 43N144W 1035 MB. 



.HIGH 50N137W 1033 MB NEARLY STATIONARY. 

.24 HOUR FORECAST HIGH DISSIPATED. 



.HIGH 43N165E 1027 MB NEARLY STATIONARY. 

.24 HOUR FORECAST LITTLE CHANGE. 

.48 HOUR FORECAST HIGH 46N167E 1028 MB. 



.HIGH 58N179E 1025 MB MOVING S 25 KT. 

.24 HOUR FORECAST HIGH 46N178E 1026 MB. 

.48 HOUR FORECAST HIGH 45N179W 1029 MB. 



.24 HOUR FORECAST NEW HIGH 60N146W 1023 MB. 

.48 HOUR FORECAST HIGH DISSIPATED. 



.FORECASTER FIGURSKEY. 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 WED AUG 17.

24 HOUR FORECAST VALID 1800 UTC THU AUG 18.

48 HOUR FORECAST VALID 1800 UTC FRI AUG 19.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.LOW PRES NEAR 15N107W 1007 MB MOVING NW 7 KT. WITHIN 180 NM SE

QUADRANT WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 08N

TO 14N BETWEEN 100W AND 115W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT

IN S TO SW SWELL. WITHIN 60 NM OF COAST OF MEXICO BETWEEN 96W

AND 99W E TO SE WINDS 20 KT OR LESS. SEAS 8 FT IN SE SWELL.

.24 HOUR FORECAST LOW PRES NEAR 17N109W 1007 MB. WITHIN 180 NM

SE QUADRANT WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN

300 NM SE SEMICIRCLE WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW

SWELL. WITHIN 60 NM OF COAST OF MEXICO BETWEEN 103W AND 105W E

TO SE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

.48 HOUR FORECAST LOW PRES NEAR 18N111W 1007 MB. WITHIN 120 NM

SE QUADRANT WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.



.LOW PRES NEAR 15N130W 1010 MB. WITHIN AREA BOUNDED BY 17N131W

TO 16N131W TO 17N133W TO 17N131W WINDS 20 KT OR LESS. SEAS TO 8

FT IN MIXED SWELL.

.24 HOUR FORECAST LOW PRES NEAR 15N137W 1011 MB. WITHIN AREA

BOUNDED BY 18N136W TO 17N135W TO 16N136W TO 18N136W WINDS 20 KT

OR LESS. SEAS TO 8 FT IN MIXED SWELL.

.42 HOUR FORECAST LOW PRES MOVED W OF AREA. WITHIN 60 NM OF LINE

FROM 17N137W TO 16N140W WINDS 20 KT OR LESS. SEAS TO 8 FT IN

MIXED SWELL.

.48 HOUR FORECAST WITHIN 60 NM OF LINE FROM 17N138W TO 17N140W

WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL.



.S OF 01S BETWEEN 100W AND 120W WINDS 20 KT OR LESS. SEAS 8

FT IN SW SWELL.

.24 HOUR FORECAST S OF LINE FROM 03.4S98W TO 01N112W TO 01S120W

WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL.

.36 HOUR FORECAST S OF 02S BETWEEN 100W AND 107W AND S OF 02N

BETWEEN 115W AND 125W WINDS 20 KT OR LESS. SEAS TO 8 FT IN S TO

SW SWELL.

.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.



.N OF 29N BETWEEN 126W AND 134W WINDS 20 KT OR LESS. SEAS TO 8

FT IN NW SWELL.

.24 HOUR FORECAST N OF 29.5N BETWEEN 127W AND 133W WINDS 20 KT

OR LESS. SEAS TO 8 FT IN NW TO N SWELL.

.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.



.18 HOUR FORECAST WITHIN AREA BOUNDED BY 16N94W TO 16N95W TO

15N96W TO 15N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF

TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST LITTLE CHANGE.

.30 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 2130 UTC WED AUG 17...



.LOW PRES NEAR 15N107W...SCATTERED MODERATE ISOLATED STRONG

FROM 12N TO 16N BETWEEN 109W AND 111W AND WITHIN 30 NM OF

15N108W. 



.SCATTERED MODERATE WITHIN 30 NM OF 15N105W AND 17N103W.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH AXIS EXTENDS FROM 10N84W TO 13N96W. IT RESUMES

FROM LOW PRES NEAR 15N107W TO 12N118W TO LOW PRES NEAR 08N125W

1010 MB. THE TROUGH AXIS THEN EXTENDS FROM 12N131W TO BEYOND

12N140W. SCATTERED STRONG S OF AXIS WITHIN 60 NM OF LINE FROM

07N78W TO 06N83W. SCATTERED MODERATE ISOLATED STRONG W OF AXIS

FROM 12N TO 15N BETWEEN 96W AND 101W. SCATTERED MODERATE WITHIN

60 NM N OF AXIS BETWEEN 92W AND 94W AND BETWEEN 117W AND 119W.



$$



.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

