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
000
FZPN01 KWBC 301550
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU JUL 30 2015

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

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

SYNOPSIS VALID 1200 UTC JUL 30.
24 HOUR FORECAST VALID 1200 UTC JUL 31.
48 HOUR FORECAST VALID 1200 UTC AUG 01.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 180 NM NW OF A LINE FROM 44N124W TO 36N133W N WINDS TO
25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST WITHIN 180 NM NW OF A LINE FROM 43N125W TO
35N135W N TO NE WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST WITHIN 240 NM NW OF A LINE FROM 46N124W TO
35N134W WINDS 20 TO 30 KT. SEAS TO 9 FT.

.LOW 51N145W 1014 MB MOVING NE 20 KT. FRONT EXTENDS FROM THE LOW
TO 45N157W. WITHIN 240 NM E AND SE OF THE FRONT SW WINDS 20 TO
30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 56N136W 1018 MB. WITHIN 240 NM SE QUADRANT
S WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.LOW 49N174E 1003 MB MOVING SE 05 KT. WITHIN 240 NM OF LOW WINDS
20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 47N177E 1006 MB. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW 46N180W 1008 MB. FROM 49N TO 52N BETWEEN
164W AND 177E E WINDS 20 TO 30 KT. SEAS TO 10 FT.

.24 HOUR FORECAST WITHIN 180 NM NW OF A LINE FROM 45N171W TO
40N177W S TO SW WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN 180 NM NW OF A LINE FROM 47N164W TO
36N177W S TO SW WINDS 20 TO 30 KT. SEAS TO 11 FT.

.48 HOUR FORECAST FROM 46N TO 52N W OF 165E S TO SE WINDS 20 TO
30 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS FROM 45N TO 52N BETWEEN 141W AND 156W...FROM 41N TO 52N
BETWEEN 162W AND 176E...FROM 51N TO 59N BETWEEN 168W AND
174E...AND FROM 39N TO 43N BETWEEN 172E AND 160E.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 52N BETWEEN 150W AND
154W...FROM 42N TO 51N BETWEEN 161W AND 178W...FROM 51N TO 59N
BETWEEN 169W AND 175E...AND FROM 38N TO 41N BETWEEN 168E AND
163E.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 51N BETWEEN 151W AND
175W...FROM 53N TO 59N BETWEEN 170W AND 177W...AND FROM 47N TO
53N BETWEEN 160E AND 172E.

.HIGH 37N148W 1025 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH 38N147W 1025 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 39N168W 1023 MB MOVING E 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 45N136W 1025 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH 44N136W 1025 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 34N164E 1019 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH 34N164E 1019 MB.
.48 HOUR FORECAST HIGH 32N160E 1019 MB.

.HIGH 47N164E 1017 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH 46N164E 1016 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 56N171W 1018 MB MOVING W 05 KT.
.24 HOUR FORECAST HIGH 56N174W 1022 MB.
.48 HOUR FORECAST HIGH 58N175W 1026 MB.

.24 HOUR FORECAST NEW HIGH 61N167W 1021 MB.
.48 HOUR FORECAST HIGH MERGED WITH HIGH 58N175W.

.24 HOUR FORECAST NEW HIGH 51N149W 1021 MB.
.48 HOUR FORECAST HIGH 53N146W 1024 MB.

.48 HOUR FORECAST NEW HIGH 40N152W 1026 MB.

.FORECASTER FIGURSKEY/NOLT. 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 1200 UTC THU JUL 30.
24 HOUR FORECAST VALID 1200 UTC FRI JUL 31.
48 HOUR FORECAST VALID 1200 UTC SAT AUG 01.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GUILLERMO NEAR 9.1N 127.5W 1002 MB AT 1500 UTC
JUL 30 MOVING WNW OR 290 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS
40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM OF
CENTER EXCEPT 0 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 0
NM OF CENTER EXCEPT 150 NM NE QUADRANT WITH SEAS TO 13 FT.
ELSEWHERE WITHIN 300 NM NE SEMICIRCLE WINDS 20 TO 33 KT. SEAS
8 TO 11 FT.
.24 HOUR FORECAST HURRICANE GUILLERMO NEAR 11.0N 132.5W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND 50 NM
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM N QUADRANT WITH
SEAS TO 22 FT. ELSEWHERE WITHIN 450 NM N SEMICIRCLE AND 90 NM S
SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST HURRICANE GUILLERMO NEAR 12.8N 138.6W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM NE QUADRANT...100 NM SE QUADRANT...70 NM SW
QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
270 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE WITH SEAS TO 30 FT.
ELSEWHERE WITHIN 480 NM NE SEMICIRCLE AND 180 NM SW SEMICIRCLE
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.72 HOUR FORECAST HURRICANE GUILLERMO NEAR 14.6N 142.8W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. EXTENDED OUTLOOK...USE FOR
GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE GUILLERMO NEAR 16.0N 145.5W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.120 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 18.0N 148.0W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 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.

.POST-TROPICAL CYCLONE EIGHT-E NEAR 16.5N 139.4W 1007 MB AT 1500
UTC JUL 30 MOVING W OR 270 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS
25 KT GUSTS 35 KT. WITHIN 420 NM NE SEMICIRCLE WINDS 20 TO 25
KT. SEAS TO 11 FT.
.12 HOUR FORECAST POST-TROPICAL REMNANT LOW EIGHT-E NEAR 16.3N
141.8W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. OVER FORECAST
WATERS FROM 16N TO 22N W OF 137W WINDS 20 KT OR LESS. SEAS TO 8
FT IN E SWELL.
.24 HOUR FORECAST...DISSIPATED. WINDS 20 KT OR LESS. SEAS LESS
THAN 8 FT.

.FROM 10.5N TO 12N E OF 90W...INCLUDING THE GULF OF PAPAGAYO...
E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 09.5N TO 12N E OF 90W...INCLUDING THE
GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.30 HOUR FORECAST S OF 02S BETWEEN BETWEEN 105W AND 120W WINDS
20 KT OR LESS. SEAS TO 8 FT IN MIXED SW AND S SWELL.
.48 HOUR FORECAST S OF 01S BETWEEN 96W AND 120W WINDS 20 KT OR
LESS. SEAS TO 8 FT PRIMARILY IN SW SWELL.

.GULF OF TEHUANTEPEC N OF 14N BETWEEN 95W AND 96W N WINDS 20 TO
25 KT. SEAS TO 8 FT.
.06 HOUR FORECAST N OF 14N BETWEEN 95W AND 97W WINDS 20 KT OR
LESS. SEAS TO 8 FT PRIMARILY IN SW SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.36 HOUR FORECAST N OF 25N WITHIN 90 NM OF W COAST OF BAJA
CALIFORNIA NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST LITTLE CHANGE.
.48 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 1500 UTC THU JUL 30...

.TROPICAL STORM GUILLERMO...NUMEROUS STRONG FROM 07N TO 10N
BETWEEN 126W AND 129W. SCATTERED STRONG WITHIN 180 TO 300 NM N
QUADRANT. SCATTERED MODERATE ISOLATED STRONG WITHIN 240 NM E
SEMICIRCLE...AND WITHIN 350 TO 650 NM NE QUADRANT.

.TROPICAL DEPRESSION EIGHT-E...SCATTERED MODERATE TO STRONG
WITHIN 80 TO 100 NM NE QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 08N86W TO 08N94W TO 06N109W TO 07N117W.
SCATTERED TO NUMEROUS STRONG FROM 03N TO 08N E OF 80W. SCATTERED
STRONG FROM 05N TO 07N BETWEEN 93W AND 96W...AND FROM 13N TO 15N
BETWEEN 94W AND 96W. SCATTERED MODERATE ISOLATED STRONG FROM 08N
TO 15N BETWEEN 96W AND 102W.

.FORECASTER MT. 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.