High Seas Forecast
Issued by NWS

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZPN02 KWBC 160525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC THU AUG 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 16.
24 HOUR FORECAST VALID 0000 UTC AUG 17.
48 HOUR FORECAST VALID 0000 UTC AUG 18.

.WARNINGS.

...GALE WARNING...
.LOW 51N164E 1006 MB MOVING SE 05 KT. WITHIN 360 NM NE AND 720
NM SE QUDRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST LOW 49N180W 1001 MB AND
NEW LOW 47N174W 1000 MB. WITHIN 120 NM NE SEMICIRCLE OF FIRST
LOW AND 180 NM NE...420 NM SE...AND 480 NM SW QUADRANTS OF NEW
LOW WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 49N159W 987 MB. WITHIN 420 NM NE...600 NM
SE...660 NM SW...AND 240 NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS
9 TO 17 FT.

...GALE WARNING...
.48 HOUR FORECAST FROM 39N TO 43N BETWEEN 124W AND 128W AREA OF
N WINDS 25 TO 35 KT. SEAS TO 12 FT.

.SYNOPSIS AND FORECAST.

.LOW 49N149W 1017 MB MOVING NE 15 KT. WITHIN 180 NM SE
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 54N142W 1017 MB. WITHIN 300 NM SE QUADRANT
WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW 55N135W 1024 MB. ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 45N163E 1007 MB MOVING NE 15 KT. OVER FORECAST WATERS
WITHIN 540 NM SE AND 300 NM S QUADRANTS WINDS TO 25 KT. SEAS TO
8 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY NEW
LOW 47N174W DESCRIBED IN WARNINGS SECTION ABOVE.

.POST-TROPICAL CYCLONE HECTOR 32N166E 1013 MB MOVING NW 05 KT.
WITHIN 240 NM E AND NE...AND 180 NM NW QUADRANTS WINDS TO 25 KT.
SEAS TO 11 FT.
.24 HOUR FORECAST POST-TROPICAL CYCLONE HECTOR 35N164E 1014 MB.
WITHIN 180 NM SE QUADRANT WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST POST-TROPICAL CYCLONE HECTOR DISSIPATED.

.LOW 39N165W 1016 MB MOVING NE 05 KT. WITHIN 120 NM NW OF A
FRONT FROM 42N158W TO THE LOW WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 41N163W 1013 MB. WITHIN 180 NM SE QUADRANT
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW ABSOREBD BY LOW 49N159W DESCRIBED IN
WARNINGS SECTION ABOVE.

.OVER FORECAST WATERS WITHIN 90 NM E OF A LINE FROM 53N131W TO
47N128W AREA OF NW WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST FROM 47N TO 50N BETWEEN 126W AND 129W AREA OF
NW WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 46N TO 50N E OF 129W AREA OF NW WINDS 20
TO 30 KT. SEAS TO 9 FT.

.24 HOUR FORECAST LOW W OF AREA 45N153E 994 MB. OVER FORECAST
WATERS WITHIN 480 NM E QUADRANT WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW W OF AREA 47N153E 996 MB. FROM 48N TO 53N
W OF 173E AND W OF A LINE FROM 48N168E TO 32N162E WINDS 20 TO 30
KT. SEAS TO 11 FT.

.24 HOUR FORECAST OVER FORECAST WATERS N OF 63N AND W OF ALASKA
AREA OF SW WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST N OF 62N AND W OF ALASKA AREA OF SW WINDS TO
25 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS W OF A LINE FROM 53N166E TO 40N180W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 48N BETWEEN 174W AND
178W AND W OF A LINE FROM 46N160E TO 40N170E.
.48 HOUR FORECAST DENSE FOG FROM 44N TO 52N BETWEEN 151W AND
159W AND FROM 39N TO 50N W OF 174E.

.HIGH 52N138W 1022 MB MOVING E 05 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 43N142W 1026 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH 43N138W 1029 MB.
.48 HOUR FORECAST HIGH 44N136W 1032 MB.

.HIGH 47N169W 1025 MB MOVING NE 30 KT.
.24 HOUR FORECAST HIGH 49N152W 1022 MB.
.48 HOUR FORECAST HIGH 56N142W 1027 MB.

.HIGH 34N178E 1022 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH 34N176E 1025 MB.

.HIGH 57N178E 1022 MB MOVING NW 05 KT.
.24 HOUR FORECAST HIGH W OF AREA 58N176E 1018 MB.
.48 HOUR FORECAST HIGH 56N179E 1024 MB.

.48 HOUR FORECAST NEW HIGH 59N171W 1022 MB.

.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 THU AUG 16.
24 HOUR FORECAST VALID 0000 UTC FRI AUG 17.
48 HOUR FORECAST VALID 0000 UTC SAT AUG 18.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM LANE NEAR 10.4N 125.6W 1003 MB AT 0300 UTC AUG
16 MOVING W OR 265 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM SE
QUADRANT. SEAS 12 FT OR GREATER WITHIN 45 NM E SEMICIRCLE WITH
SEAS TO 13 FT. ELSEWHERE WITHIN 120 NM OF CENTER EXCEPT 30 NM SW
QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA
FROM 07N TO 16N BETWEEN 118W AND 126W WINDS 20 KT OR LESS. SEAS
TO 9 FT IN S SWELL.
.24 HOUR FORECAST HURRICANE LANE NEAR 10.7N 129.8W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 30 NM NW AND SE QUADRANTS...40 NM NE QUADRANT AND 20 NM
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM N AND 30 NM S
SEMICIRCLES WITH SEAS TO 16 FT. ELSEWHERE WITHIN 120 NM OF
CENTER EXCEPT 45 NM W QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11
FT. REMAINDER OF AREA FROM 08.5N TO 15N BETWEEN 125W AND 131W
WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE LANE NEAR 11.6N 135.2W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 50 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 40 NM
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM N SEMICIRCLE
AND 75 NM S SEMICIRCLE WITH SEAS TO 26 FT. ELSEWHERE WITHIN 120
NM OF CENTER EXCEPT 60 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8
TO 11 FT. REMAINDER OF AREA FROM 08.5N TO 18N BETWEEN 129W AND
138W WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE LANE NEAR 12.9N 140.6W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE LANE NEAR 12.9N 140.6W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT.
.120 HOUR FORECAST HURRICANE LANE NEAR 12.9N 140.6W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

...ASHFALL ADVISORY...
THE FUEGO VOLCANO IN GUATEMALA NEAR 14.3N90.5W EMITTED AN ASH
PLUME THIS AFTERNOON AROUND 1916Z. ASH MAY BE REACHING THE
SURFACE AS EASTERLY WINDS PUSH THE ASH PLUME WESTWARD INTO THE
PACIFIC WATERS TO THE WEST AND ACROSS THE GULF OF TEHUANTEPEC...
FROM 14N TO 16N BETWEEN 91W AND 95W...THROUGH 0600 UTC THU.
MARINERS OPERATING IN THIS AREA ARE URGED TO EXERCISE CAUTION.
IF YOU ENCOUNTER VOLCANIC ASH OR FLOATING VOLCANIC DEBRIS...YOU
ARE ENCOURAGED TO REPORT YOUR OBSERVATIONS TO THE NATIONAL
WEATHER SERVICE AT 305-229-4425.

.SYNOPSIS AND FORECAST.

.S OF 06N BETWEEN 80W AND 89W WINDS 20 KT OR LESS. SEAS TO 9 FT
IN SW SWELL. ELSEWHERE S OF 16N E OF 114W...EXCEPT IN LEE OF
GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN S TO
SW SWELL.
.24 HOUR FORECAST FROM 00N TO 06N BETWEEN 80W AND 89W WINDS 20
KT OR LESS. SEAS TO 8 FT IN SW SWELL. ELSEWHERE FROM 01.5N TO
18.5N E OF 111W...EXCEPT IN LEE OF GALAPAGOS ISLANDS...WINDS 20
KT OR LESS. SEAS TO 9 FT IN S TO SW SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.LOW PRES NEAR 18N138.5W 1012 MB. FROM 18N TO 21N W OF 134W NE
TO E WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW TO DISSIPATE TO TROUGH. CONDITIONS SHIFT W
OF AREA. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.30 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N BETWEEN 94.5W AND
95.5W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED N WIND WAVES
AND S SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0230 UTC THU AUG 16...

TROPICAL STORM LANE NEAR 10.4N125.6W...SCATTERED TO NUMEROUS
MODERATE TO STRONG WITHIN 120 NM SE AND 30 NM NW SEMICIRCLES.
SCATTERED MODERATE ISOLATED STRONG ELSEWHERE WITHIN 180 NM NW
AND 240 NM SE SEMICIRCLES.

LOW PRES NEAR 18N138.5W...SCATTERED MODERATE ISOLATED STRONG
WITHIN 150 NM NW SEMICIRCLE AND 90 NM SE QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N74W TO 08N92W TO LOW PRES
NEAR 09.5N109.5W TO 11N114W. ITCZ FROM 13.5N137W TO BEYOND
11N140W. SCATTERED MODERATE TO STRONG FROM 04.5N TO 08.5N
BETWEEN 83W TO 94W...AND 07.5N TO 14.5N BETWEEN 97W AND 111W.
SCATTERED MODERATE TO STRONG WITHIN 90 NM SE OF ITCZ W OF 137W.


.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0000 UTC AUG 16 2018.
24 HOUR FORECAST VALID 0000 UTC AUG 17 2018.
48 HOUR FORECAST VALID 0000 UTC AUG 18 2018.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N166E TO 27N165E MOVING N 15 KT.
.24 HOUR FORECAST TROUGH MOVED N OF AREA.

.LOW 12N162E 1008 MB MOVING NW 15 KT. TROUGH FROM 13N160E TO LOW
TO 10N167E. NUMEROUS MODERATE TO STRONG TSTMS FROM 05N TO 15N W
OF 168E.
.24 HOUR FORECAST LOW MOVED JUST W OF AREA 13N158E 1007 MB.
TROUGH FROM LOW TO 10N164E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.TROUGH 07N174E 12N178W 14N170W 20N167W MOVING W 15 KT.
SCATTERED MODERATE TO STRONG TSTMS 240 NM E OF TROUGH N OF 14N.
ELSEWHERE ISOLATED MODERATE TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 09N174E 14N178E 17N173W 22N169W.
.48 HOUR FORECAST WEAK TROUGH 11N172E 15N175W 17N177W 20N175W.

.TROUGH 28N143W 22N145W MOVING NW 15 KT.
.24 HOUR FORECAST TROUGH 30N145W 25N146W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW TROUGH 20N144W 14N141W.
.48 HOUR FORECAST TROUGH 21N150W 16N148W.

.72 HOUR FORECAST HURCN LANE 12.9N 140.6W. MAX WINDS 105 KT
GUSTS 130KT.
.92 HOUR FORECAST HURCN LANE 14.0N 143.6W. MAX WINDS 110 KT
GUSTS 135 KT.
.120 HOUR FORECAST HURCN LANE 15.2N 148.2W. MAX WINDS 105 KT
GUSTS 130 KT.

FORECAST WINDS NEAR TROPICAL CYCLONES SHOULD BE USED WITH
CAUTION DUE TO FORECAST UNCERTAINTY.

.OTHERWISE WINDS 20 KT OR LESS. SEAS 8 FT OR LESS.

.ITCZ 11N140W 09N154W 06N163W. SCATTERED MODERATE TSTMS FROM 03N
TO 10N E OF 165W.

.SCATTERED MODERATE TSTMS S OF 03S BETWEEN 172W AND 177W.
ISOLATED MODERATE TSTMS FROM 13N TO 22N BETWEEN 175W AND 178E.

$$

.FORECASTER ALMANZA. HONOLULU HI.


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.