FZPN01 KWBC 190343

HSFEP1



HIGH SEAS FORECAST

NWS OCEAN PREDICTION CENTER WASHINGTON DC

0430 UTC SUN AUG 19 2018



SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 19.

24 HOUR FORECAST VALID 0000 UTC AUG 20.

48 HOUR FORECAST VALID 0000 UTC AUG 21.



.WARNINGS.



...GALE WARNING...

.LOW 51N161W 983 MB MOVING S 05 KT. WITHIN 480 NM W SEMICIRCLE

AND 540 NM NE AND 240 NM SE QUADRANTS...AND WITHIN 180 NM E OF A

FRONT FROM 47N148W TO 40N152W WINDS 30 TO 45 KT. SEAS 11 TO 23

FT.

.24 HOUR FORECAST LOW 49N161W 995 MB. FRONT TO EXTEND FROM

59N152W TO 53N146W TO 45N147W TO 34N155W. WITHIN 360 NM NE...480

NM SE...660 NM SW...AND 180 NM NW QUADRANTS...AND WITHIN 240 NM

NE AND E OF THE FRONT WINDS 20 TO 30 KT. SEAS 9 TO 17 FT.

.48 HOUR FORECAST LOW 52N156W 1007 MB. FRONT TO EXTEND FROM

60N145W TO 53N145W TO 46N144W TO 41N47W. WITHIN 480 NM SE AND

840 NM SW QUADRANTS AND 180 NM E OF THE FRONT WINDS 20 TO 30 KT.

SEAS TO 11 FT.



...GALE WARNING...

.LOW W OF AREA 50N155E 992 MB MOVING NE 15 KT. OVER FORECAST

WATERS WITHIN 780 NM NE AND 600 NM SE QUADRANTS AND ELSEWHERE

WITHIN 120 NM E OF A FRONT FROM 44N166E TO 36N160E WINDS 25 TO

35 KT. SEAS 8 TO 14 FT.

.24 HOUR FORECAST LOW W OF AREA 56N161E 987 MB. WITHIN 540 NM SE

AND 600 NM S QUADRANTS AND 120 NM NE OF A FRONT TO EXTEND FROM

56N177E TO 53N180W WINDS 25 TO 35 KT. SEAS 9 TO 17 FT.

.48 HOUR FORECAST LOW W OF AREA 56N169E 984 MB. WITHIN 600 NM SE

AND 780 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 18 FT.



.SYNOPSIS AND FORECAST.



.OVER FORECAST WATERS FROM 37N TO 45N BETWEEN 124W AND 129W AREA

OF N WINDS TO 25 KT. SEAS TO 10 FT.

.24 HOUR FORECAST FROM 35N TO 44N BETWEEN 124W AND 130W AREA OF

N WINDS 20 TO 30 KT. SEAS TO 11 FT.

.48 HOUR FORECAST FROM 38N TO 43N BETWEEN 123W AND 133W AREA OF

N WINDS TO 25 KT. SEAS TO 9 FT.



.OVER FORECAST WATERS FROM 45N TO 53N BETWEEN 125W AND 130W AREA

OF N TO NW WINDS TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST FROM 44N TO 54N BETWEEN 126W AND 133W AREA OF

N TO NW WINDS 20 TO 30 KT. SEAS TO 10 FT.

.48 HOUR FORECAST FROM 43N TO 54N BETWEEN 129W AND 134W AREA OF

N TO NW WINDS TO 25 KT. SEAS TO 9 FT.



.48 HOUR FORECAST WITHIN 240 NM SE OF A FRONT TO EXTEND FROM

43N174E TO 38N165E WINDS TO 25 KT. SEAS TO 8 FT.



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

WATERS WITHIN 360 NM NE AND E OF A LINE FROM 51N161E TO 47N166E

TO 40N166E AND WITHIN AN AREA BOUNDED BY A LINE FROM 58N151W TO

55N142W TO 45N147W TO 55N155W TO 58N151W.

.24 HOUR FORECAST DENSE FOG WITHIN 120 NM SE OF A LINE FROM

49N179W TO 4N174E AND FROM 43N TO 55N BETWEEN 142W AND 147W.

.48 HOUR FORECAST DENSE FOG WITHIN 120 NM OF 49N173E AND FROM

49N TO 59N BETWEEN 141W AND 147W.



.HIGH 49N136W 1033 MB MOVING SW 05 KT.

.24 HOUR FORECAST HIGH 46N137W 1031 MB.

.48 HOUR FORECAST HIGH 43N138W 1028 MB.



.HIGH 44N180W 1025 MB MOVING SE 20 KT.

.24 HOUR FORECAST HIGH 37N176W 1022 MB.

.48 HOUR FORECAST HIGH 36N171W 1027 MB.



.HIGH 35N175E 1025 MB NEARLY STATIONARY.

.24 HOUR FORECAST LITTLE CHANGE.

.48 HOUR FORECAST HIGH DISSIPATED.



.FORECASTER BELL. 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 0000 UTC SUN AUG 19.

24 HOUR FORECAST VALID 0000 UTC MON AUG 20.

48 HOUR FORECAST VALID 0000 UTC TUE AUG 21.



.WARNINGS.



...TROPICAL STORM WARNING...

.HURRICANE LANE NEAR 12.8N 141.0W 952 MB AT 0300 UTC AUG 19

MOVING W OR 280 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 115 KT

GUSTS 140 KT. TROPICAL STORM FORCE WINDS OVER FORECAST WATERS

WITHIN 90 NM NE QUADRANT...70 NM SE QUADRANT...40 NM SW

QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN

240 NM NE QUADRANT...180 NM SE QUADRANT...120 NM SW

QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 43 FT. ELSEWHERE

OVER FORECAST WATERS WITHIN 180 NM N AND 120 NM S SEMICIRCLES

WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA W OF LINE

FROM 20N137W TO 17N133W TO 09N138W WINDS 20 KT OR LESS. SEAS 8

TO 12 FT IN MIXED SWELL.

.24 HOUR FORECAST HURRICANE LANE WEST OF AREA NEAR 13.5N 145.2W.

MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM

FORCE WINDS WITHIN 110 NM NE QUADRANT...100 NM SE QUADRANT...60

NM SW QUADRANT...AND 90 NM NW QUADRANT. TROPICAL STORM FORCE

WINDS AND 12 FOOT SEAS W OF AREA. OVER FORECAST WATERS W OF LINE

FROM 21N140W TO 19N137W TO 14N140W WINDS 20 KT OR LESS. SEAS 8

TO 9 FT IN MIXED SWELL.

.48 HOUR FORECAST HURRICANE LANE WEST OF AREA NEAR 13.9N 148.9W.

MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. LITTLE CHANGE IN

RADIUS OF TROPICAL STORM FORCE WINDS. OVER FORECAST WATERS WINDS

20 KT OR LESS. SEAS LESS THAN 8 FT.

.72 HOUR FORECAST HURRICANE LANE NEAR 14.2N 152.2W. MAXIMUM

SUSTAINED WINDS 80 KT GUSTS 100 KT.

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

.96 HOUR FORECAST HURRICANE LANE NEAR 15.0N 155.7W. MAXIMUM

SUSTAINED WINDS 65 KT GUSTS 80 KT.

.120 HOUR FORECAST TROPICAL STORM LANE NEAR 16.2N 159.2W.

MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 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 0215 UTC SUN AUG 19...



.HURRICANE LANE...NUMEROUS MODERATE SCATTERED STRONG OVER

FORECAST WATERS WITHIN 60 NM OF CENTER. SCATTERED MODERATE

ISOLATED STRONG ELSEWHERE FROM 10N TO 16N W OF 137W.



.TROPICAL WAVE FROM 08N81W TO 20N81W...SCATTERED MODERATE

ISOLATED STRONG FROM 03N TO 10N BETWEEN 80W AND 86W.



.TROPICAL WAVE FROM 06N106W TO 16N106W...SCATTERED MODERATE

ISOLATED STRONG FROM 06N TO 08N BETWEEN 103W AND 110W AND FROM

14N TO 19N BETWEEN 102W AND 108W.



.LOW PRES 1009 MB NEAR 13N117W...SCATTERED MODERATE ISOLATED

STRONG FROM 13N TO 17N BETWEEN 114W AND 120W.



.TROPICAL WAVE FROM 07N121W TO 17N120W...SCATTERED

MODERATE ISOLATED STRONG FROM 11N TO 17N BETWEEN 120W AND 123W.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 09N75W TO 10N107W TO LOW PRES 1009 MB NEAR

13N117W TO 09N122W. ITCZ CONTINUES FROM 09N122W TO 09N130W TO

11N136W. SCATTERED MODERATE ISOLATED STRONG FROM 11N TO 14N

BETWEEN 95W AND 103W.



$$

.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.


Source: OPC N Pacific High Seas Forecast