FZPN02 KWBC 301125

HSFEPI



HIGH SEAS FORECAST FOR METAREA XII

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1145 UTC THU AUG 30 2018



CCODE/2:31:12:11:00/AOW+POR+AOE/NWS/CCODE

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.



SEE ANNOUNCEMENT OF PLANNED INMARSAT I-3 TO I-4 MIGRATION

IN 2018 AT OCEAN.WEATHER.GOV/GMDSS_NOTICE.PHP (LOWERCASE).



ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE

NATIONAL WEATHER SERVICE. EMAIL US AT

VOSOPS@NOAA.GOV(LOWERCASE).



PAN PAN



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

TO 50N 160E



SYNOPSIS VALID 0600 UTC AUG 30.

24 HOUR FORECAST VALID 0600 UTC AUG 31.

48 HOUR FORECAST VALID 0600 UTC SEP 01.



.WARNINGS.



...GALE WARNING...

.LOW 59N178W 988 MB MOVING E 10 KT. OVER FORECAST WATERS WITHIN

660 NM SW...300 NM NW...420 NM NE...AND 600 NM SE QUADRANTS

WINDS 25 TO 40 KT. SEAS 11 TO 22 FT.

.24 HOUR FORECAST LOW 59N172W 1001 MB. WITHIN 360 NM SE

SEMICIRCLE AND 240 NM NW QUADRANT WINDS 25 TO 35 KT. SEAS 9 TO

18 FT.

.48 HOUR FORECAST LOW 57N163W 1014 MB. WITHIN 240 NM SW

SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT.



...GALE WARNING...

.FROM 30N TO 35N BETWEEN 162W AND 176W WINDS 25 TO 40 KT. SEAS 9

TO 18 FT.

.24 HOUR FORECAST LOW 31N178W 1002 MB. FROM 30N TO 38N BETWEEN

168W AND 178E WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.

.48 HOUR FORECAST LOW 34N179W 1002 MB. FROM 30N TO 38N BETWEEN

171W AND 180W WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.



...GALE WARNING...

.12 HOUR FORECAST LOW 60N149W 1007 MB. OVER FORECAST WATERS

WITHIN 180 NM SW QUADRANT WINDS 25 TO 35 KT. SEAS TO 9 FT.

.24 HOUR FORECAST LOW 60N140W 1005 MB. N OF 52N BETWEEN 136W AND

153W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.

.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.



...GALE WARNING...

.24 HOUR FORECAST LOW 38N161E 1008 MB. FROM 34N TO 41N BETWEEN

168E AND 160E WINDS 25 TO 35 KT. SEAS TO 12 FT.

.48 HOUR FORECAST LOW 36N168E 1010 MB. WITHIN 240 NM N AND NW

QUADRANTS WINDS TO 25 KT. SEAS TO 11 FT.



...GALE WARNING...

.48 HOUR FORECAST FROM 41N TO 51N BETWEEN 165E AND 160E WINDS 25

TO 35 KT. SEAS 8 TO 14 FT.



.SYNOPSIS AND FORECAST.



.24 HOUR FORECAST FROM 30N TO 37N E OF 124W N TO NW WINDS TO 25

KT. SEAS TO 8 FT.

.48 HOUR FORECAST FROM 31N TO 43N BETWEEN 120W AND 127W N TO NW

WINDS 20 TO 30 KT. SEAS TO 11 FT.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM OF

54N151W AND 44N170W.

.24 HOUR FORECAST CONDITIONS IMPROVED.



.HIGH 42N160W 1034 MB MOVING NE 10 KT.

.24 HOUR FORECAST HIGH 45N158W 1034 MB.

.48 HOUR FORECAST HIGH 46N150W 1031 MB.



.HIGH 33N133W 1021 MB MOVING N 10 KT.

.24 HOUR FORECAST HIGH 37N135W 1023 MB.

.48 HOUR FORECAST HIGH 39N137W 1026 MB.



.HIGH 44N178E 1025 MB MOVING NE 20 KT.

.24 HOUR FORECAST HIGH DISSIPATED.



.HIGH 43N167E 1026 MB MOVING N 20 KT.

.24 HOUR FORECAST HIGH 49N167E 1027 MB.

.48 HOUR FORECAST HIGH 52N170E 1029 MB.



.FORECASTER COLLINS. 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 THU AUG 30.

24 HOUR FORECAST VALID 0600 UTC FRI AUG 31.

48 HOUR FORECAST VALID 0600 UTC SAT SEP 01.



.WARNINGS.



...HURRICANE WARNING...

.HURRICANE NORMAN NEAR 17.8N 117.4W 964 MB AT 0900 UTC AUG 30

MOVING W OR 275 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 100 KT

GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM OF CENTER

EXCEPT 50 NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 135 NM N

AND 105 NM S SEMICIRCLES WITH SEAS TO 30 FT. ELSEWHERE WITHIN

120 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER

OF AREA WITHIN 180 NM OF CENTER WINDS 20 KT OR LESS. SEAS TO 9

FT IN MIXED SWELL.

.24 HOUR FORECAST HURRICANE NORMAN NEAR 17.6N 120.1W. MAXIMUM

SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS

WITHIN 70 NM N AND 60 NM S SEMICIRCLE. SEAS 12 FT OR GREATER

WITHIN 150 NM N AND 120 NM S SEMICIRCLES WITH SEAS TO 35 FT.

ELSEWHERE WITHIN 150 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO

12 FT. REMAINDER OF AREA WITHIN 240 N AND 180 NM S SEMICIRCLES

WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL.

.48 HOUR FORECAST HURRICANE NORMAN NEAR 16.3N 123.3W. MAXIMUM

SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS

WITHIN 70 NM OF CENTER EXCEPT 80 NM NW QUADRANT. SEAS 12 FT OR

GREATER WITHIN 150 NM N AND 120 NM S SEMICIRCLES WITH SEAS TO 36

FT. ELSEWHERE WITHIN 150 NM OF CENTER WINDS 20 TO 33 KT. SEAS 9

TO 12 FT. REMAINDER AREA WITHIN 240 N AND 180 NM S SEMICIRCLES

WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL.

.72 HOUR FORECAST HURRICANE NORMAN NEAR 16.2N 127.1W. MAXIMUM

SUSTAINED WINDS 105 KT GUSTS 130 KT.

EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.

.96 HOUR FORECAST HURRICANE NORMAN NEAR 16.2N 127.1W. MAXIMUM

SUSTAINED WINDS 95 KT GUSTS 115 KT.

.120 HOUR FORECAST HURRICANE NORMAN NEAR 16.2N 127.1W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 KT.



...HURRICANE WARNING...

.HURRICANE MIRIAM W OF AREA NEAR 14.7N 141.1W 985 MB AT 0900 UTC

AUG 30 MOVING WNW OR 300 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 70

KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS OVER FORECAST WATERS

WITHIN 80 NM NE AND 60 NM SE QUADRANTS. SEAS 12 FT OR GREATER

OVER FORECAST WATERS WITHIN 135 NM N SEMICIRCLE AND 95 NM SE

QUADRANT. REMAINDER OF AREA FROM 13N TO 19N W OF 136W WINDS 20

KT OR LESS. SEAS TO 10 FT IN MIXED SWELL.

.24 HOUR FORECAST HURRICANE MIRIAM W OF AREA NEAR 16.8N 141.6W.

MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE

WINDS AND SEAS 12 FT OR GREATER WITHIN 90 NM NE AND 80 NM SE

QUADRANTS. REMAINDER OF AREA FROM 14N TO 21N W OF 137W WINDS 20

KT OR LESS. SEAS TO 10 FT IN MIXED SWELL.

.48 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 19.9N 141.9W.

MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE

WINDS AND SEAS 12 FT OR GREATER W OF 140W. FROM 18N TO 23N W OF

138W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.

.72 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 23.0N 144.0W.

MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.



FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE

USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE

AND INTENSITY.



.SYNOPSIS AND FORECAST.



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



CONVECTION VALID AT 0900 UTC THU AUG 30...



.HURRICANE NORMAN...NUMEROUS MODERATE TO STRONG WITHIN 120 NM OF

CENTER. SCATTERED MODERATE ELSEWHERE WITHIN 180 NM N AND 270 NM

S OF CENTER.



.HURRICANE MIRIAM...NUMEROUS MODERATE ISOLATED STRONG FROM 14N

TO 16N W OF 138W. SCATTERED MODERATE ELSEWHERE WITHIN 180 NM E

OF CENTER.



.TROPICAL WAVE ALONG 106W...SCATTERED MODERATE ISOLATED STRONG

FROM 09N TO 15N BETWEEN 106W AND 110W.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 09N84W TO 09N90W TO 12N110W TO 14N112W...

RESUMES W OF NORMAN NEAR 15N122W TO 14N137W. SCATTERED MODERATE

FROM 04N TO 08N E OF 89W AND WITHIN 30 NM S OF AXIS BETWEEN 120W

AND 127W.



.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.



NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E



SYNOPSIS VALID 0600 UTC AUG 30 2018.

24 HOUR FORECAST VALID 0600 UTC AUG 31 2018.

48 HOUR FORECAST VALID 0600 UTC SEP 01 2018.



.WARNINGS.



...HURRICANE WARNING...

.HURRICANE MIRIAM 14.7N 141.1W AT 03/0900Z. MAXIMUM SUSTAINED

WINDS 70 KT GUSTS 85 KT. WINDS 34 KT OR GREATER WITHIN 80 NM NE

QUADRANT... 60 NM SE QUADRANT...30 NM SW QUADRANT...65 NM NW

QUADRANT. WINDS 20 TO 33 KT ELSEWHERE WITHIN 240 NM OF CENTER SE

SEMICIRCLE... 180 NM NW SEMICIRCLE. SEAS 12 FT OR HIGHER WITHIN

135 NM NE QUADRANT... 95 NM SE QUADRANT...80 NM SW

QUADRANT...135 NM NW QUADRANT. SEAS 8 TO 12 FT ELSEWHERE OVER

FORECAST WATERS FROM 20N TO 12N E OF 145W.

.24 HOUR FORECAST HURRICANE MIRIAM 16.8N 141.6W. MAXIMUM

SUSTAINED WINDS 80 KT GUSTS 100 KT. WINDS 34 KT OR GREATER

WITHIN 90 NM OF CENTER NE QUADRANT...80 NM SE QUADRANT...40 NM

SW QUADRANT...70 NM NW QUADRANT. WINDS 20 TO 33 KT ELSEWHERE

WITHIN 240 NM N SEMICIRCLE... 180 NM SE QUADRANT...90 NM SW

QUADRANT. SEAS 12 FT OR HIGHER WITHIN 180 NM N SEMICIRCLE...90

NM S SEMICIRCLE. SEAS 8 TO 12 FT ELSEWHERE WITHIN 300 NM NW

SEMICIRCLE...150 NM SE SEMICIRCLE.

.48 HOUR FORECAST TROPICAL CYCLONE MIRIAM 19.9N 141.9W. MAXIMUM

SUSTAINED WINDS 55 KT GUSTS 65 KT. WINDS 34 KT OR GREATER WITHIN

90 NM NE QUADRANT...60 NM SE QUADRANT...30 NM SW QUADRANT...50

NM NW QUADRANT. WINDS 20 TO 33 KT ELSEWHERE WITHIN 360 NM NE

SEMICIRCLE...180 NM SW SEMICIRCLE. SEAS 12 FT OR HIGHER WITHIN

180 NM OF CENTER NW SEMICIRCLE...90 NM SE SEMICIRCLE. SEAS 8 TO

12 FT ELSEWHERE WITHIN 360 NM OF CENTER NW SEMICIRCLE...120 NM

SE SEMICIRCLE.

.72 HOUR FORECAST TROPICAL STORM MIRIAM 23.0N 144.0W. MAXIMUM

SUSTAINED WINDS 40 KT GUSTS 50 KT. WINDS 34 KT OR GREATER WITHIN

60 NM NE QUADRANT...30 NM SE QUADRANT...20 NM SW QUADRANT...50

NM NW QUADRANT. SEAS 12 FT OR HIGHER WITHIN 180 NM OF CENTER N

SEMICIRCLE...90 NM S SEMICIRCLE.



.EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.



.96 HOUR FORECAST POST-TROPICAL LOW 25.5N 147.5W. MAXIMUM

SUSTAINED WINDS 30 KT GUSTS 40 KT.

.120 HOUR FORECAST POST-TROPICAL LOW 27.0N 152.0W. MAXIMUM

SUSTAINED WINDS 25 KT GUSTS 35 KT.



.FORECAST WINDS NEAR TROPICAL CYCLONES SHOULD BE USED WITH

CAUTION DUE TO FORECAST UNCERTAINTY. PLEASE REFER TO WTPZ25 KHNC

FOR MORE DETAILS.



...GALE WARNING...

.LOW NEAR 28N172W 1009 MB MOVING NW 15 KT. TROUGH FROM LOW TO

27N169W TO 23N167W. WINDS 30 TO 35 KT AND SEAS 12 TO 16 FT OVER

FORECAST WATERS BETWEEN 120 AND 240 NM OF CENTER NE QUADRANT.

WINDS SE TO NE 20 TO 30 KT ELSEWHERE OVER FORECAST WATERS WITHIN

360 NM N AND E OF TROUGH AXIS. SEAS 8 TO 12 FT ELSEWHERE OVER

FORECAST WATERS N AND NE OF A LINE FROM 30N176W TO 25N172W TO

24N164W. ISOLATED MODERATE TO STRONG TSTMS OVER FORECAST WATERS

WITHIN 300 NM OF CENTER N SEMICIRCLE.

.12 HOUR FORECAST LOW JUST N OF FORECAST AREA NEAR 31N175W 1009

MB. TROUGH FROM LOW TO 28N172W TO 27N169W. WINDS E TO SE 20 TO

30 KT WITHIN 240 NM E OF TROUGH AXIS. SEAS 8 TO 12 FT OVER

FORECAST WATERS N OF 27N BETWEEN 179E AND 165W.

.24 HOUR FORECAST LOW JUST N OF FORECAST AREA NEAR 32N179W 1009

MB. WINDS 20 TO 25 KT OVER FORECAST WATERS WITHIN 180 NM OF

CENTER S SEMICIRCLE. SEAS 8 TO 10 FT OVER FORECAST WATERS N OF

27N BETWEEN 177E AND 167W.

.48 HOUR FORECAST LOW JUST N OF FORECAST AREA NEAR 35N178W 1009

MB. ASSOCIATED WINDS DIMINISHED TO 20 KT OR LESS. ASSOCIATED

SEAS SUBSIDED TO 8 FT OR LOWER.



.SYNOPSIS AND FORECAST.



.TROUGH FROM 14N178W TO 17N175W TO 19N171W MOVING NW SLOWLY.

ISOLATED MODERATE TSTMS WITHIN 180 NM EITHER SIDE OF TROUGH

AXIS.

.12 HOUR FORECAST TROUGH DISSIPATED.



.TROUGH DEVELOPING OVER FORECAST AREA.

.48 HOUR FORECAST TROUGH FROM 07N178W TO 11N173W TO 13N163W.



.RIDGE BUILDING OVER FORECAST AREA.

.48 HOUR FORECAST RIDGE FROM 29N160E TO 26N166E TO 25N175E.



.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.



.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.



.MONSOON TROUGH FROM 13N144W TO 11N150W TO 11N156W TO 13N165W.

ISOLATED MODERATE TO STRONG TSTMS WITHIN 360 NM S OF TROUGH

AXIS. ISOLATED MODERATE TSTMS WITHIN 240 NM N OF TROUGH AXIS.



.OTHERWISE ISOLATED MODERATE TO STRONG TSTMS FROM 20N TO 00N

BETWEEN 160E AND 170E. ALSO ISOLATED MODERATE TSTMS FROM 10N TO

02N BETWEEN 170E AND 165W.



$$



.FORECASTER BEDAL. HONOLULU HI.


Source: OPC East and Central N Pacific High Seas Forecast