000
FZPN01 KWBC 170943
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC FRI MAY 17 2013

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAY 17.
24 HOUR FORECAST VALID 0600 UTC MAY 18.
48 HOUR FORECAST VALID 0600 UTC MAY 19.

.WARNINGS.

...STORM WARNING...
.LOW W OF AREA 39N154E 996 MB MOVING NE 15 KT AND RAPIDLY
INTENSIFYING. FROM 33N TO 44N W OF 162E WINDS 25 TO 35 KT. SEAS
TO 12 FT. ELSEWHERE W OF A LINE FROM 32N177E TO 47N165E WINDS 20
TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 43N161E 972 MB. WITHIN 480 NM E AND
NE...AND 300 NM S QUADRANTS WINDS 35 TO 50 KT. SEAS 11 TO 22 FT.
ALSO WITHIN 720 NM E AND NE...780 NM SE...540 NM S AND SW...AND
360 NM N AND NW QUADRANTS N OF 30N WINDS 25 TO 40 KT. SEAS 9 TO
18 FT. ELSEWHERE FROM 31N TO 51N W OF 179E WINDS 20 TO 30 KT.
SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW 47N169E 974 MB. WITHIN 720 NM E AND
NE...780 NM SE...660 NM SW...AND 420 NM N AND NW QUADRANTS WINDS
25 TO 40 KT. SEAS 15 TO 30 FT. ELSEWHERE FROM 33N TO 56N W OF
171W WINDS 20 TO 30 KT. SEAS 9 TO 26 FT...HIGHEST NEAR 40N167E.

...GALE WARNING...
.LOW 57N149W 994 MB MOVING NE 10 KT. BETWEEN 120 NM AND 360 NM E
AND NE QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. ELSEWHERE
FROM 39N TO 61N BETWEEN 136W AND 165W WINDS 20 TO 30 KT. SEAS TO
12 FT.
.24 HOUR FORECAST LOW INLAND OVER ALASKA 62N143W 993 MB. N OF 55N
BETWEEN 146W AND 158W WINDS 25 TO 35 KT. SEAS 9 TO 14 FT.
ELSEWHERE N OF 52N BETWEEN 133W AND 166W WINDS 20 TO 30 KT. SEAS
TO 12 FT.
.48 HOUR FORECAST MOVED WELL INLAND WITH A NEW LOW FORMED NEAR
60N145W 1013 MB. WITHIN 360 NM SW QUADRANT WINDS 25 TO 35 KT.
SEAS TO 12 FT. ELSEWHERE WITHIN 420 NM S SEMICIRCLE WINDS TO 25
KT. SEAS TO 9 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 56N W OF 162W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 57N
BETWEEN 157W AND 173W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.SYNOPSIS AND FORECAST.

.FROM 30N TO 36N BETWEEN 118W AND 124W NW WINDS TO 25 KT. SEAS TO
10 FT.
.24 HOUR FORECAST FROM 30N TO 40N E OF 124W NW WINDS TO 25 KT.
SEAS TO 9 FT.
.48 HOUR FORECAST FROM 30N TO 42N BETWEEN 118W AND 127W NW WINDS
20 TO 30 KT. SEAS TO 12 FT.

.24 HOUR FORECAST FROM 44N TO 51N E OF 134W S TO SW WINDS TO 25
KT. SEAS TO 8 FT.
.48 HOUR FORECAST E OF A LINE FROM 47N129W TO 52N134W NW WINDS TO
25 KT. SEAS TO 9 FT.

.24 HOUR FORECAST NEW LOW 35N154W 1018 MB. WITHIN 120 NM SE AND
660 NM NW SEMICIRCLES N OF 30N WINDS LESS THAN 25 KT. SEAS TO 8
FT.
.48 HOUR FORECAST LOW 34N152W 1018 MB. WITHIN 540 NM N AND NE AND
600 NM W AND SW QUADRANTS N OF 30N WINDS TO 25 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 58N
BETWEEN 138W AND 152W AND ALSO FROM 41N TO 48N W OF 165E.
.24 HOUR FORECAST DENSE FOG WITHIN 480 NM W OF A LINE FROM
33N175E TO 41N175E TO 53N170E.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM OF 40N146W AND ALSO
FROM 34N TO 52N BETWEEN 174W AND 165E.

.HIGH 32N146W 1028 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH 34N136W 1026 MB.
.48 HOUR FORECAST HIGH 42N136W 1033 MB.

.HIGH 42N174E 1032 MB MOVING NE 20 KT.
.24 HOUR FORECAST HIGH 44N171W 1030 MB.
.48 HOUR FORECAST HIGH 46N161W 1034 MB.

.24 HOUR FORECAST HIGH 56N173W 1023 MB.
.48 HOUR FORECAST HIGH 52N159W 1033 MB.

.48 HOUR FORECAST NEW HIGH 47N139W 1033 MB.

.FORECASTER MILLS. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W.

SYNOPSIS VALID 0600 UTC FRI MAY 17.
24 HOUR FORECAST VALID 0600 UTC SAT MAY 18.
48 HOUR FORECAST VALID 0600 UTC SUN MAY 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST

.TROPICAL DEPRESSION ALVIN AT 10.3N 112.0W 1007 MB AT 0900 UTC
MAY 17 MOVING W NW AT 11 KT. MAXIMUM SUSTAINED WINDS 30 KT WITH
GUSTS TO 40 KT...SEAS 12 TO 15 FT...WITHIN 75 NM OF CENTER.
ELSEWHERE WITHIN 240 NM E AND 150 NM W SEMICIRCLES WINDS 20 TO 30
KT. SEAS 9 TO 13 FT. REMAINDER WATERS WITHIN 270 NM OF CENTER
EXCEPT 330 NM SW QUADRANT WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN
BROAD MIX OF SWELL.
.12 HOUR FORECAST REMNANT LOW PRESSURE NEAR 11.0N 113.5W 1008
MB. WITHIN 180 NM E AND 120 NM W SEMICIRCLES OF CENTER WINDS 20
TO 30 KT. SEAS 9 TO 14 FT. REMAINDER OF AREA S OF 16N BETWEEN
105W AND 120W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN BROAD MIX
OF SWELL.
.24 HOUR FORECAST REMNANT LOW PRESSURE NEAR 12N115W 1009 MB.
WITHIN 150 NM E AND 90 NM W SEMICIRCLES OF CENTER WINDS 20 TO 30
KT. SEAS 8 TO 13 FT. REMAINDER OF AREA S OF 16N BETWEEN 105W AND
120W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN BROAD MIX OF SWELL.
.48 HOUR ELSEWHERE REMNANT LOW PRESSURE NEAR 13N117W 1010 MB.
WITHIN 120 NM E AND 75 NM W SEMICIRCLES OF CENTER WINDS 20 TO 25
KT. SEAS TO 11 FT.

.FROM 14N TO 19N W OF 136W WINDS 20 KT OR LESS. SEAS 8 FT IN
MIXED NE AND SW SWELL.
.24 HOUR FORECAST FROM 11N TO 18N W OF 137W WINDS 20 KT OR LESS.
SEAS TO 9 FT IN MIXED NE AND SW SWELL.
.36 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 0900 UTC FRI MAY 17...
.TROPICAL DEPRESSION ALVIN...SCATTERED MODERATE TO STRONG 60 NM
OF
LINE 10N111W TO 13N110W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS FROM 07N77W TO LOW PRES NEAR 07N83W 1009 MB
TO 09N107W...THEN RESUMES FROM 09N113W TO 07N128W. ITCZ AXIS FROM
07N128W TO 07N140W. ISOLATED MODERATE AND STRONG FROM 04N TO 08N
E OF 100W. SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM OF
LINE FROM 11N116W TO 06N125W TO 08N133W.

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.