High Seas Forecast
Issued by NWS

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000
FZPN03 KNHC 272257 CCA
HSFEP2

HIGH SEAS FORECAST...CORRECTED
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC TUE SEP 27 2016

CORRECETED 48 HOUR FORECAST MAX SEAS UNDER ULIKA

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1800 UTC TUE SEP 27.
24 HOUR FORECAST VALID 1800 UTC WED SEP 28.
48 HOUR FORECAST VALID 1800 UTC THU SEP 29.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ROSLYN NEAR 18.8N 116.6W 1003 MB AT 2100 UTC SEP
27 MOVING NE OR 045 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE
QUADRANT...90 NM SE QUADRANT...40 NM SW QUADRANT...AND 80 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM E SEMICIRCLE...60
NM SW QUADRANT...AND 90 NM NW QUADRANT WITH SEAS TO 15 FT.
ELSEWHERE WITHIN 180 NM N AND 90 NM S SEMICIRCLES OF CENTER
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER AREA WITHIN 240 NM
N AND 120 NM S SEMICIRCLES OF CENTER WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW ROSLYN NEAR 21.0N
116.4W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT NEAR CENTER.
WITHIN 120 NM N AND 60 NM S SEMICIRCLES OF LOW WINDS 20 TO 25 KT.
SEAS 9 TO 11 FT. ELSEWHERE WITHIN 180 NM N AND 120 NM SEMICIRCLES
OF LOW WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW ROSLYN NEAR 22.8N
118.2W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT NEAR CENTER.
WITHIN 45 NM OF CENTER WINDS 20 TO 25 KT. SEAS TO 9 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW DISSIPATED.

...TROPICAL STORM WARNING...
.TROPICAL STORM ULIKA NEAR 12.4N 140.0W 997 MB AT 2100 UTC SEP
27 MOVING NE OR 045 DEGREES AT 4 KT. MAXIMUM SUSTAINED WINDS 50
KT WITH GUSTS TO 60 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM
NE QUADRANT...60 NM SE QUADRANT AND 30 NM W SEMICIRCLE OF
CENTER. SEAS 12 FT OR GREATER WITHIN 60 NM E SEMICIRCLE AND 30
NM W SEMICIRCLE OF CENTER WITH SEAS TO 17 FT. OVER FORECAST
WATERS ELSEWHERE WITHIN 120 NM OF CENTER WINDS 20 TO 33 KT. SEAS
8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM ULIKA NEAR 14.5N 139.0W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS TO 65 KT. TROPICAL STORM
FORCE WINDS WITHIN 80 NM E SEMICIRCLE AND 50 NM W SEMICIRCLE OF
CENTER. SEAS 12 FT OR GREATER WITHIN 90 NM E AND 60 NM W
SEMICIRCLES OF CENTER WITH SEAS TO 19 FT. ELSEWHERE OVER
FORECAST WITHIN 120 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12
FT. REMAINDER FORECAST WATERS FROM 12N TO 19N W OF 135W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM ULIKA NEAR 16.1N 139.7W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS TO 55 KT. TROPICAL STORM
FORCE WINDS WITHIN 70 NM NE QUADRANT...60 NM SE QUADRANT...40 NM
SW QUADRANT AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
60 NM OF CENTER...EXCEPT 90 NM NE QUADRANT WITH SEAS TO 16 FT.
ELSEWHERE OVER FORECAST WATERS WITHIN 90 NM OF CENTER...EXCEPT
120 NM E QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER
FORECAST WATERS FROM 13N TO 21N W OF 135W WINDS 20 KT OR LESS.
SEAS TO 9 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM ULIKA W OF AREA NEAR 17.0N 142.1W.
MAXIMUM WINDS 35 KT GUSTS TO 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW ULIKA W OF AREA NEAR
17.5N 149.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW ULIKA WELL W OF AREA
NEAR 17.5N 149.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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.

.S OF 01S BETWEEN 101W AND 113W WINDS 20 KT OR LESS. SEAS TO 8
FT IN SW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.30 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 AT 2130 UTC TUE SEP 27...

.TROPICAL STORM ROSLYN...SCATTERED MODERATE ISOLATED STRONG
BETWEEN 60 NM AND 150 NM N QUADRANT. SCATTERED MODERATE WITHIN
30 NM OF LINE FROM 20N113W TO 22N113W.

.TROPICAL STORM ULIKA...SCATTERED STRONG WITHIN 60 NM N AND 30
NM S SEMICIRCLES. SCATTERED MODERATE WITHIN 45 NM OF LINE
FROM 13.5N133W TO 15N135W TO 15N138W.

.SURFACE TROUGH FROM 11N96W TO 18N101W. SCATTERED MODERATE
ISOLATED STRONG FROM 09N TO 16N BETWEEN 98W AND 103W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N84W TO 11N92W TO 11N100W TO
11N105W TO 12N112W. IT CONTINUES FROM 14N117W TO 13N125W TO
14N130W TO 13.5N136W. SCATTERED MODERATE ISOLATED STRONG WITHIN
240 NM S OF AXIS BETWEEN 90W AND 93W. SCATTERED MODERATE WITHIN
60 NM OF AXIS BETWEEN 130W AND 133W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.


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