HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SEP 22 2007 ( 630PM EDT ) (edited~danielw)

ATLANTIC FROM 7N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 1800 UTC SAT SEP 22
24 HOUR FORECAST VALID 1800 UTC SUN SEP 23
48 HOUR FORECAST VALID 1800 UTC MON SEP 24

.GULF OF MEXICO 12 HOUR FORECAST TROPICAL WAVE S OF 23N ALONG
89W. S OF 23N FROM 86W TO 89W SE WIND TO 20 KT SEAS LESS THAN
8 FT.
.24 HOUR FORECAST NEW LOW PRES 24N90W 1011 MB.
WITHIN 240 NM E SEMICIRCLE E TO SE WIND 20 KT SEAS 8 FT.
.48 HOUR FORECAST LOW PRES 27N94W 1011 MB.
WITHIN 240 NM E SEMICIRCLE E TO SE WIND 20 KT SEAS 8 FT.
************************************

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
100 PM EDT SAT SEP 22 2007 (edited~danielw)

MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA
AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W.

GULF OF MEXICO...
...A SECOND...INVERTED
TROUGH IS ANALYZED S OF 23N ALONG 87W AND IS EXPECTED TO MOVE W
TONIGHT AND SUN WITH SOME MODELS SUGGESTING LOW PRES DEVELOPMENT
ALONG THE TROUGH AXIS. AN UPPER CYCLONE NEAR 27N94W IS MOVING W
ACCOMPANIED BY PLENTY OF UPPER DIFFLUENCE WELL E OF ITS CENTER.
SO I WILL PROG WEAK SURFACE LOW PRES SUN NEAR 24N90W AND MOVE IT
NW TO TX/LA COASTAL PLAINS LATE MON NIGHT/TUE MORNING...BUT
CONTINUE A BROAD LOW LEVEL TROUGH OVER THE W GULF...WITH MEAN
AXIS EXTENDING N-S ALONG 93W...THROUGH EXTENDED PERIOD. GFS MOST
AGGRESSIVE MODEL...SO WILL GO GFS GUIDANCE ON STRENGTH OF
WINDS...AND THUS THE ASSOCIATED SEAS...EXPECTING TIGHTEST
GRADIENT ROUGHLY WITHIN 240 NM E SEMICIRCLE OF THE SURFACE
LOW.