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
000
FZPN03 KNHC 270322
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC TUE SEP 27 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC TUE SEP 27.
24 HOUR FORECAST VALID 0000 UTC WED SEP 28.
48 HOUR FORECAST VALID 0000 UTC THU SEP 29.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ROSLYN NEAR 17.2N 118.4W 1000 MB AT 0300 UTC SEP
27 MOVING ENE OR 060 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE
QUADRANT...90 NM SE QUADRANT...40 NM SW QUADRANT...AND 80 NM NW
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 150 NM E SEMICIRCLE...0
NM SW QUADRANT AND 60 NM NW QUADRANT WITH SEAS TO 13 FT.
ELSEWHERE WITHIN 180 NM SE AND 150 NM NW WINDS 20 TO 33 KT. SEAS
8 TO 12 FT. REMAINDER OF AREA FROM 12N TO 14N BETWEEN 118W AND
122W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.24 HOUR FORECAST TROPICAL STORM ROSLYN NEAR 19.1N 117.0W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 100 NM NE QUADRANT...70 NM SE QUADRANT...0 NM SW
QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT WITHIN 60 NM NE
QUADRANT. ELSEWHERE WITHIN 120 NM OF CENTER WINDS 20 TO 33 KT.
SEAS 8 TO 12 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW ROSLYN NEAR 21.7N
117.3W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 90 NM
NE AND 30 SW SEMICIRCLES WINDS 20 TO 25 KT. SEAS 9 TO 11 FT.
ELSEWHERE FROM 21N TO 24N BETWEEN 115W AND 119W WINDS 20 KT OR
LESS. SEAS 8 FT IN MIXED SWELL.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW ROSLYN NEAR 23.5N
118.9W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...DISSIPATED.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION NINETEEN-E 11.6N 140.3W 1005 MB MB MOVING N
04 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WINDS 20 TO 30
KT AND SEAS 8 TO 10 FT WITHIN 150 NM NE SEMICIRCLE AND 90 NM SW
SEMICIRCLE.
.24 HOUR FORECAST TROPICAL STORM NINETEEN-E JUST E OF AREA 13.0N
139.7W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. WINDS 20 TO
33 KT AND SEAS 8 FT WITHIN 90 NM W SEMICIRCLE IN FORECAST AREA.
ELSEWHERE OVER FORECAST WATERS FROM 10N TO 15N BETWEEN 137W AND
140W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT PRIMARILY IN SW SWELL.
.48 HOUR FORECAST TROPICAL STORM NINETEEN-E JUST E OF AREA 14.8N
139.0W MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. WINDS 20 TO 30
KT AND SEAS 8 FT OR HIGHER 90 NM W SEMICIRCLE IN FORECAST AREA.
ELSEWHERE OVER FORECAST WATERS FROM 12N TO 16N BETWEEN 137W AND
140W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM NINETEEN-E JUST E OF AREA 16.1N
139.8W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST TROPICAL NINETEEN-E 16.9N 141.9W. MAXIMUM
SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST...POST TROPICAL REMNANT LOW NINETEEN-E 17.0N
145.4W. 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.

.24 HOUR FORECAST S OF 02S BETWEEN 105W AND 110W WINDS 20 KT OR
LESS. SEAS 8 FT IN 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 AT 0300 UTC TUE SEP 27...

.TROPICAL STORM ROSLYN...NUMEROUS MODERATE TO ISOLATED
STRONG WITHIN 210 NM IN THE NE QUADRANT.

.TROPICAL DEPRESSION NINETEEN-E...SCATTERED MODERATE WITHIN 180
NM IN THE SE SEMICIRCLE.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N78W TO 10N95W TO 09N115W...RESUMING NEAR
12N120W TO 12N140W. SCATTERED MODERATE WITHIN 210 NM EITHER SIDE
OF MONSOON TROUGH AXIS BETWEEN 85W AND 100W. SCATTERED MODERATE
WITHIN 120 NM EITHER SIDE OF MONSOON TROUGH W OF 125W.

$$
.FORECASTER CHRISTENSEN. 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.