National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZPN02 KWBC 161731
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC THU MAY 16 2013

CCODE/1:31:12:01:00/AOW+POR/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 1200 UTC MAY 16.
24 HOUR FORECAST VALID 1200 UTC MAY 17.
48 HOUR FORECAST VALID 1200 UTC MAY 18.

.WARNINGS.

...STORM WARNING...
.24 HOUR FORECAST LOW W OF AREA 39N155E 991 MB. FROM 30N TO 42N
W OF 165E WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM 30N
TO 46N W OF 176E WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 44N163E 973 MB. BETWEEN 240 NM AND 540 NM
SE QUADRANT...AND WITHIN 540 NM S QUADRANT WINDS 35 TO 50 KT.
SEAS 14 TO 24 FT. ELSEWHERE FROM 30N TO 51N W OF 177W WINDS 25
TO 35 KT. SEAS 10 TO 20 FT. ALSO FROM 30N TO 54N W OF 172W WINDS
TO 25 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.LOW 55N153W 995 MB MOVING NE 10 KT. WITHIN 480 NM NE
QUADRANT...AND WITHIN 300 NM E OF A FRONT FROM 55N147W TO
50N147W TO 45N152W TO 39N161W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 58N148W 992 MB. WITHIN 180 NM NE OF A LINE
FROM 59N147W TO 57N142W TO 53N138W WINDS 25 TO 40 KT. SEAS 8 TO
14 FT. ELSEWHERE FROM 40N TO 60N BETWEEN 132W AND 167W WINDS 20
TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 60N148W 998 MB. WITHIN 540 NM S AND SW
QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN
780 NM SE AND 600 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.

.SYNOPSIS AND FORECAST.

.FROM 30N TO 39N BETWEEN 118W AND 126W NW WINDS TO 25 KT. SEAS
TO 11 FT.
.24 HOUR FORECAST FROM 30N TO 38N BETWEEN 117W AND 124W NW WINDS
TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 30N TO 41N BETWEEN 118W AND 127W NW WINDS
TO 25 KT. SEAS TO 10 FT.

.FROM 30N TO 36N W OF 177E E TO NE WINDS 20 TO 30 KT. SEAS TO 9
FT.
.24 HOUR FORECAST CONDITIONS ABSORBED BY LOW 39N155E DESCRIBED
IN WARNINGS SECTION ABOVE.

.LOW 50N160W 999 MB MOVING E 20 KT. WITHIN 900 NM SW QUADRANT
WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 58N148W
DESCRIBED IN WARNINGS SECTION ABOVE.

.FROM 34N TO 40N BETWEEN 129W AND 142W WINDS TO 25 KT. SEAS TO 9
FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 55N
BETWEEN 144W AND 156W.
.24 HOUR FORECAST DENSE FOG FROM 41N TO 51N BETWEEN 135W AND
142W AND FROM 34N TO 49N W OF 165E.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 54N W OF 170E AND FROM
30N TO 47N BETWEEN 177E AND 170E.

.HIGH 31N145W 1027 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH 35N137W 1025 MB.

.HIGH 39N166E 1027 MB MOVING NE 25 KT.
.24 HOUR FORECAST HIGH 42N178E 1030 MB.
.48 HOUR FORECAST HIGH 44N169W 1030 MB.

.HIGH 41N140W 1022 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 47N165E 1023 MB MOVING E 20 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST HIGH 58N179E 1020 MB.
.48 HOUR FORECAST HIGH 54N166W 1024 MB.

.FORECASTER HOLLEY. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

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

SYNOPSIS VALID 1200 UTC THU MAY 16.
24 HOUR FORECAST VALID 1200 UTC FRI MAY 17.
48 HOUR FORECAST VALID 1200 UTC SAT MAY 18.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ALVIN NEAR 9.4N 107.7W 1003 MB AT 1500 UTC MAY
16 MOVING WNW OR 290 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM OF CENTER
EXCEPT 0 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM N
SEMICIRCLE AND 30 NM S SEMICIRCLE WITH SEAS TO 22 FT. ELSEWHERE
WITHIN 180 NM NE QUADRANT...210 NM SE QUADRANT...150 NM SW AND
AND 75 NM NW QUADRANTS OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12
FT.
.24 HOUR FORECAST TROPICAL STORM ALVIN NEAR 10.7N 110.5W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM NE QUADRANT...50 NM SE QUADRANT...30 NM SW
QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
180 NM NE SEMICIRCLE AND 150 NM SW SEMICIRCLE OF CENTER WITH
SEAS TO 24 FT. ELSEWHERE WITHIN 210 NM E SEMICIRCLE...AND 120 NM
W SEMICIRCLE OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM ALVIN NEAR 11.6N 113.6W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM NE QUADRANT...60 NM SE QUADRANT...40 NM SW
QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
180 NM E SEMICIRCLE AND SW QUADRANT...AND WITHIN 210 NM NW
QUADRANT OF CENTER WITH SEAS TO 24 FT. ELSEWHERE WITHIN 180 NM E
SEMICIRCLE AND NW QUADRANT...AND 120 NM SW QUADRANT WINDS 20 TO
33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA S OF 17N BETWEEN 106W
AND 121W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN SW
SWELL...EXCEPT IN MIXED SWELL AROUND PERIPHERY OF 20 TO 33 KT
WINDS.
.72 HOUR FORECAST TROPICAL STORM ALVIN NEAR 13.0N 116.0W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. EXTENDED
OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION ALVIN NEAR 13.5N 118.5W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW ALVIN NEAR 13.5N
120.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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

.N OF 07N BETWEEN 78W AND 80W S TO SW WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 10N TO 12N E OF 88W...INCLUDING THE GULF OF PAPAGAYO...NE
TO E WINDS TO 20 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST FROM 13N TO 20N W OF 137W WINDS 20 KT OR LESS.
SEAS 8 FT IN SW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST FROM 13N TO 18N W OF 136W WINDS 20 KT OR LESS.
SEAS TO 9 FT IN SW SWELL.

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

CONVECTION VALID 1515 UTC THU MAY 16...
.TROPICAL STORM ALVIN...NUMEROUS MODERATE TO STRONG WITHIN 210
NM SE QUADRANT. SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM
NE AND 60 NM NW QUADRANTS.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS 07N76W TO LOW PRES NEAR 07N78W 1009 MB TO
07N1101W...THEN RESUMES FROM 08N110W TO 06N131W...THEN ITCZ TO
06N140W. SCATTERED STRONG WITHIN 180 NM OF THE AXIS BETWEEN 110W
AND 117W. SCATTERED MODERATE ISOLATED STRONG WITHIN 90 NM OF THE
AXIS BETWEEN 120W AND 126W...WITHIN 180 NM N OF THE AXIS BETWEEN
130W AND 137W AND N OF 05N E OF 81W. SCATTERED MODERATE WITHIN
150 NM S OF THE AXIS BETWEEN 91W AND 95W.

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 1200 UTC MAY 16 2013.
24 HOUR FORECAST VALID 1200 UTC MAY 17 2013.
48 HOUR FORECAST VALID 1200 UTC MAY 18 2013.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N169E TO 25N160E NEARLY STATIONARY.
.24 HOUR FORECAST FRONT MOVED N OF FORECAST AREA.

.36 HOUR FORECAST FRONT FROM 30N163E TO 27N160E. S TO SW WINDS
20 TO 25 KT OVER FORECAST WATERS NW OF LINE FROM 30N171E TO
26N160E.
.48 HOUR FORECAST FRONT FROM 30N167E TO 26N160E. WINDS
DIMINISHED TO 20 KT OR LESS OVER FORECAST WATERS.

.TROUGH FROM 30N160W TO 26N159W TO 22N160W MOVING NW SLOWLY.
.24 HOUR FORECAST WEAK TROUGH FROM 30N160W TO 25N160W.
.48 HOUR FORECAST TROUGH ABSORBED BY FRONT FROM 30N157W TO
25N160W.

.TROUGH FROM 28N169W TO 24N169W TO 21N170W MOVING WNW SLOWLY.
.24 HOUR FORECAST WEAK TROUGH FROM 29N167W TO 24N171W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 30N169W TO 27N180E TO 23N165E NEARLY STATIONARY.

.WINDS 20 KT OR LESS OVER REST OF FORECAST AREA.

.SEAS 8 TO 11 FT E OF LINE FROM 21N152W TO 18N167W TO 08N172E TO
00N179W...EXCEPT SEAS 8 FT OR LESS FROM 05N TO 21N E OF 142W.
SEAS 8 TO 9 FT N OF 29N W OF 167E.
.24 HOUR FORECAST SEAS 8 TO 12 FT E OF LINE FROM 22N152W TO
18N172W TO 08N175E TO 00N177W.
.48 HOUR FORECAST SEAS 8 TO 11 FT E OF LINE FROM 23N169W TO
15N179E TO 00N172W...EXCEPT SEAS 8 FT OR LESS S OF 06N E OF
147W. SEAS 8 TO 9 FT N OF 29N W OF 163E.

.SEAS 8 FT OR LESS OVER REST OF FORECAST AREA.

.ITCZ FROM 07N140W TO 06N160W TO 04N180E TO 05N160E. ISOLATED
MODERATE TO LOCALLY STRONG TSTMS WITHIN 180 NM N...AND WITHIN 75
NM S...OF ITCZ.

$$

.FORECASTER KINEL. HONOLULU HI.