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
FZPN03 KNHC 260234
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC MON SEP 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON SEP 26.
24 HOUR FORECAST VALID 0000 UTC TUE SEP 27.
48 HOUR FORECAST VALID 0000 UTC WED SEP 28.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION EIGHTEEN-E NEAR 16.7N 120.1W 1005 MB AT
0300 UTC SEP 26 MOVING NNW OR 345 DEG AT 6 KT. MAXIMUM SUSTAINED
WINDS 30 KT GUSTS 40 KT.  SEAS 12 FT OR GREATER WITHIN 0 NM W
SEMICIRCLE...90 NM NE QUADRANT AND 120 NM SE QUADRANT WITH SEAS
TO 13 FT. ELSEWHERE WITHIN 240 NM E AND 180 NM W SEMICIRCLES
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM EIGHTEEN-E NEAR 17.8N 119.4W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM NE QUADRANT...80 NM SE QUADRANT...0 NM SW
QUADRANT...AND 40 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
120 NM SE AND 90 NM NW SEMICIRCLES WITH SEAS TO 15 FT. ELSEWHERE
WITHIN 180 NM E AND 150 NM W SEMICIRCLES WINDS 20 TO 33 KT. SEAS
8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL DEPRESSION EIGHTEEN-E NEAR 19.9N
118.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS TO 12 FT
WITHIN 60 NM NE QUADRANT. ELSEWHERE WITHIN 180 NM SE AND 120 NM
NW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT IN MIXED SWELL.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW EIGHTEEN-E NEAR
22.6N 117.9W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW EIGHTEEN-E NEAR
24.6N 119.3W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST...DISSIPATED.

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.

.LOW PRES NEAR 12N139W 1011 MB. WITHIN 60 NM N QUADRANT WINDS 20
TO 25 KT. SEAS 8 FT. ELSEWHERE FROM 13N TO 18N W OF 137W WINDS
20 KT OR LESS. SEAS 8 FT IN NE SWELL.
.24 HOUR FORECAST LOW PRES W OF AREA. FROM 10N TO 13N W OF 138W
WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 2100 UTC SUN SEP 25...

.TROPICAL DEPRESSION EIGHTEEN-E...SCATTERED MODERATE WITHIN 210
NM SE SEMICIRCLE.

.SCATTERED MODERATE TO ISOLATED STRONG N OF 05N BETWEEN
82WAND86W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N86W TO 10N112W...RESUMING AT 14N123W TO
12N125W TO 1011 MB LOW PRES NEAR 12N139W TO BEYOND 11N140W.
SCATTERED MODERATE WITHIN 60 NM S OF MONSOON TROUGH BETWEEN
92WAND 100W AND WITHIN 120 NM S OF AXIS BETWEEN 135W AND 140W.

$$
.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.