High Seas Forecast
Issued by NWS

Home | 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
907
FZPN01 KWBC 222134
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC MON MAY 22 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 1800 UTC MAY 22.
24 HOUR FORECAST VALID 1800 UTC MAY 23.
48 HOUR FORECAST VALID 1800 UTC MAY 24.

.WARNINGS.

...GALE WARNING...
.OVER FORECAST WATERS FROM 38N TO 46N BETWEEN 124W AND 130W AREA
OF NW TO N WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST FROM 38N TO 45N BETWEEN 125W AND 133W AREA OF
N WINDS 20 TO 30 KT. SEAS TO 11 FT.
.30 HOUR FORECAST FROM 40N TO 44N BETWEEN 125W AND 129W AREA OF
N WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST FROM 38N TO 44N BETWEEN 125W AND 131W AREA OF
N TO NE WINDS 25 TO 40 KT. SEAS 11 TO 19 FT. ELSEWHERE FROM 35N
TO 45N BETWEEN 124W AND 141W AREA OF N TO NE WINDS 20 TO 30 KT.
SEAS 8 TO 14 FT...HIGHEST BETWEEN 124W AND 136W.

...GALE WARNING...
.LOW 54N146W 1010 MB MOVING E 15 KT. OVER FORECAST WATERS WITHIN
420 NM N...540 NM E...AND 660 NM S QUADRANTS WINDS TO 25 KT.
SEAS TO 9 FT.
.18 HOUR FORECAST LOW 56N139W 1010 MB. WITHIN 300 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 56N133W 1010 MB. WITHIN 360 NM SE AND 420
NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 15 FT. ELSEWHERE
WITHIN 540 NM SE AND SW AND 600 NM W QUADRANTS WINDS 20 TO 30
KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 45N TO 56N BETWEEN 125W
AND 135W AREA OF NW TO N WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.LOW JUST NW OF AREA 57N172E 990 MB MOVING NE 15 KT. OVER
FORECAST WATERS WITHIN 420 NM E AND 360 NM S QUADRANTS WINDS 25
TO 35 KT. SEAS 9 TO 15 FT. ELSEWHERE WITHIN 660 NM E AND
SW...720 NM SE...AND 420 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS
8 TO 13 FT.
.24 HOUR FORECAST LOW 60N177W 994 MB. WITHIN 180 NM NE...AND 240
NM SE AND SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 62N174W 998 MB. WITHIN 600 NM SE AND 720
NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.

...GALE WARNING...
.LOW 36N165E 1012 MB MOVING NE 10 KT. WITHIN 180 NM E SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN 660 NM NE
AND 300 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 38N171E 1016 MB. WITHIN 360 NM NE QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.12 HOUR FORECAST WITHIN 120 NM EITHER SIDE OF A LINE FROM
41N174E TO 49N174W AREA OF S TO SW WINDS 25 TO 35 KT. SEAS 8 TO
14 FT.
.24 HOUR FORECAST WITHIN 120 NM EITHER SIDE OF A LINE FROM
43N179W TO 53N163W AREA OF S TO SW WINDS 25 TO 35 KT. SEAS 9 TO
15 FT. ELSEWHERE WITHIN AN AREA BOUNDED BY 41N178E TO 55N167W TO
57N153W TO 54N152W TO 41N178E WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST WITHIN AN AREA BOUNDED BY 47N163W TO 57N156W
TO 59N153W TO 59N148W TO 55N145W TO 47N163W WINDS 20 TO 30 KT.
SEAS 8 TO 14 FT.

.SYNOPSIS AND FORECAST.

.BOGOSLOF VOLCANO AT 54N168W IS IN A STATE OF UNREST. MARINERS
TRAVELING IN THE VICINITY OF BOGOSLOF VOLCANO ARE URGED TO
EXERCISE CAUTION. IF MARINERS ENCOUNTER ANY VOLCANIC
ASH...REPORT THE OBSERVATION TO THE OCEAN PREDICTION CENTER BY
CALLING 301-683-1520.

.LOW 59N157W 1008 MB MOVING NE 15 KT. BETWEEN 120 NM AND 720 NM
S QUADRANT AREA OF W TO NW WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED IN
WARNINGS SECTION ABOVE.

.FROM 31N TO 43N BETWEEN 150W AND 160W WINDS LESS THAN 25 KT.
SEAS TO 10 FT.
.24 HOUR FORECAST FROM 35N TO 43N BETWEEN 142W AND 153W AREA OF
N TO NE WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST FROM 35N TO 41N BETWEEN 145W AND 154W AREA OF
E TO NE WINDS TO 25 KT. SEAS TO 10 FT.

.48 HOUR FORECAST OVER FORECAST WATERS FROM 44N TO 52N W OF 169E
WINDS 20 TO 30 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM
EITHER SIDE OF A LINE FROM 48N175W TO 42N168E TO
35N164E...WITHIN 120 NM OF 40N129W...AND WITHIN AN AREA BOUNDED
BY 38N142W TO 53N147W TO 56N140W TO 53N134W TO 50N131W TO
38N142W.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM OF 44N131W...AND
WITHIN 360 NM SE OF A LINE FROM 53N166W TO 38N168E.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM SE OF A LINE FROM
50N161W TO 44N167W TO 41N173W...FROM 31N TO 36N BETWEEN 170E AND
165E...AND OVER FORECAST WATERS W OF A LINE FROM 41N160E TO
47N165E TO 51N165E.

.HIGH 41N135W 1028 MB DRIFTING SW.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 39N168W 1036 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST NEW HIGH 46N153W 1040 MB.
.48 HOUR FORECAST HIGH 47N146W 1038 MB.

.24 HOUR FORECAST HIGH 43N165E 1026 MB.
.48 HOUR FORECAST HIGH 43N174E 1038 MB.

.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 MON MAY 22.
24 HOUR FORECAST VALID 1800 UTC TUE MAY 23.
48 HOUR FORECAST VALID 1800 UTC WED MAY 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.S OF 02S BETWEEN 97W AND 116W WINDS 20 KT OR LESS. SEAS 8 FT IN
MIXED SE AND SW SWELL.
.24 HOUR FORECAST S OF 01S W OF 100W WINDS 20 KT OR LESS. SEAS
TO 9 FT IN MIXED SE AND SW SWELL.
.48 HOUR FORECAST S OF 01S BETWEEN 101W AND 117W WINDS 20 KT OR
LESS. SEAS TO 9 FT IN MIXED SE AND SW SWELL.

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

CONVECTION VALID AT 2100 UTC MON MAY 22...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N77W TO 11N92W TO 08N109W. ITCZ FROM
08N109W TO 06N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 60
NM OF AXIS BETWEEN 118W AND 139W. SCATTERED MODERATE FROM 08N TO
11N BETWEEN 90W AND 95W.

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.



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