http://www.srh.weather.gov/lix/html/tropical.htm

...STORM SURGE AND STORM TIDE...

A POTENTIAL STORM SURGE OF 12 TO 16 FEET WILL BE POSSIBLE NEAR AND
TO THE RIGHT OF LOCATION OF LANDFALL. LIFE THREATENING FLOODING IS
POSSIBLE. SECTIONS OF WEST JEFFERSON...AND LOWER LAFOURCHE
HURRICANE PROTECTION LEVEES COULD BE OVER TOPPED. AREAS OUTSIDE OF
HURRICANE PROTECTION LEVEES...WILL BE SEVERELY INUNDATED.

http://www.srh.weather.gov/lix/

Latest Hurricane Local Statement for SE LA and S MS

...STORM SURGE AND STORM TIDE...

BASED ON THE LATEST FORECAST TRACK AND SPEED...THE CENTER OF
HURRICANE GUSTAV IS EXPECTED TO MAKE LANDFALL IN SOUTHEAST LOUISIANA
ON MONDAY MORNING. STARTING MONDAY MORNING...THE MAXIMUM TOTAL STORM
TIDE COULD REACH 6 TO 8 FEET ALONG SOUTHERN MOBILE COUNTY FROM CEDAR
POINT WESTWARD ACROSS PORTERSVILLE BAY...CODEN AND BAYOU LA BATRE.
ALONG THE WESTERN SHORE OF MOBILE BAY...TOTAL STORM TIDE FROM THE
FOWL RIVER AREA NORTH ACROSS THE THEODORE INDUSTRIAL CANAL...DOG
RIVER...TO THE ALABAMA STATE DOCKS AND PORT OF MOBILE COULD REACH 4
TO 6 FEET BY MONDAY MORNING. ALONG THE EASTERN SHORE OF MOBILE BAY
AND SOUTHERN BALDWIN COUNTY...TOTAL STORM TIDE IS ALSO EXPECTED TO
AVERAGE 4 TO 6 FEET. WE ARE ENTERING INTO A NEAP TIDE CYCLE AS GUSTAV
MAKES LANDFALL...SO THE ASTRONOMICAL HIGH TIDES WILL BE NEGLIGIBLE
IN THE OVERALL STORM TIDE HEIGHT.

EXTREMELY DANGEROUS RIP CURRENTS WILL OCCUR ALONG THE ALABAMA AND
NORTHWEST FLORIDA BEACHES THROUGH AT LEAST TUESDAY DUE TO HIGH WINDS
AND EXTREMELY LARGE BREAKING WAVES. RIP CURRENTS ARE LIFE
THREATENING TO ANYONE ENTERING THE SURF...DO NOT ENTER THE WATER
UNDER ANY CIRCUMSTANCES.

http://www.srh.noaa.gov/lix/cgi-bin/getprodversion.php?pil=HLS&sid=MOB&version=0&max=50

BASED ON THE LATEST FORECAST TRACK AND SPEED...THE CENTER OF
HURRICANE GUSTAV IS EXPECTED TO MAKE LANDFALL ALONG THE SOUTHEAST
LOUISIANA COAST ON MONDAY MORNING. THE MAXIMUM TOTAL STORM TIDE COULD
REACH 2 TO 4 FEET IN SOME AREAS...MAINLY OVER FAR WESTERN PORTIONS
OF NORTHWEST FLORIDA...INCLUDING PENSACOLA. WE ARE ENTERING INTO A
NEAP TIDE CYCLE AS GUSTAV MAKES LANDFALL...SO THE ASTRONOMICAL HIGH
TIDES WILL BE NEGLIGIBLE IN THE OVERALL STORM TIDE HEIGHT.