COASTAL FLOOD WATCH
Warning Issue Date: 1049 PM AST SUN DEC 27 2009
...A HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST WEDNESDAY...
...A COASTAL FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY
AFTERNOON...
LONG PERIOD...NORTH NORTHEAST SWELLS WILL CONTINUE TO INCREASE
ACROSS THE ATLANTIC WATERS AND THE CARIBBEAN PASSAGES OVERNIGHT
THROUGH MONDAY...RESULTING IN INCREASINGLY DANGEROUS SURF
CONDITIONS ACROSS THE NORTHERN EXPOSED COASTLINES OF ALL OF THE
LOCAL ISLANDS. THESE SWELLS WILL BE CAPABLE OF PRODUCING BREAKING
WAVES OF 12 TO 18 FEET...OR LARGER...ALONG THE NORTHERN EXPOSED
SHOALS...REEFS AND BEACHES OF THE LOCAL ISLANDS.
IN ADDITION...A SECOND BATCH OF LARGER NORTH NORTHEAST SWELLS...WITH
VERY LONG WAVE PERIODS OF 14 TO 16 SECONDS...WILL BUILD ACROSS THE
LOCAL ATLANTIC WATERS TOMORROW NIGHT...PEAKING EARLY
TUESDAY...BEFORE SLOWLY SUBSIDING THROUGH MID-WEEK. THESE SWELLS
WILL LIKELY PRODUCE VERY LARGE BREAKING WAVES OF 15 TO 22 FEET...OR
LARGER...ALONG WITH FREQUENT AND STRONG RIP CURRENTS...RESULTING
IN EXTREMELY DANGEROUS SURF CONDITIONS.
SIMILAR SWELL EVENTS OF THESE SIZES AND DURATION HAVE PRODUCED
SIGNIFICANT COASTAL FLOODING AND BEACH EROSION ALONG PARTS OF THE
NORTHERN COASTS OF PUERTO RICO AND THE U.S. VIRGIN ISLANDS. WITH
THESE VERY LARGE SWELLS ALSO COINCIDING WITH ASTRONOMICALLY HIGH
TIDES...THE THREAT OF SIGNIFICANT WAVE RUN-UP AND COASTAL
INUNDATION WILL BE GREATLY ENHANCED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE BREAKING WAVES WILL GENERATE STRONG AND DANGEROUS CURRENTS
WITHIN THE SURF ZONE...CALLED RIP CURRENTS. THESE NARROW OUTWARD
FLOWING CURRENTS CAN CARRY PEOPLE AND ANIMALS AWAY FROM THE COAST
LINE AND OUT TO SEA. IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT
PANIC. CALMLY...REMAIN AFLOAT...GATHER YOUR BEARINGS RELATIVE TO THE
BEACH...AND SWIM PARALLEL TO THE BEACH. YOU WILL EVENTUALLY LEAVE
THE GRIP OF THIS NARROW CURRENT...AND BE ABLE TO SAFELY SWIM TO
SHORE.
LOCAL BEACH GOERS...AND INEXPERIENCED SURFERS AND SWIMMERS ARE URGED
TO STAY OUT OF THE WATER UNTIL THESE HAZARDOUS SURF CONDITIONS
SUBSIDE. PERSONS ON THE BEACH SHOULD BE VIGILANT FOR LARGE BREAKING
WAVES SURGING UPON THE SHORE...WHICH CAN CARRY PEOPLE OF ALL SIZES
INTO THE OCEAN. YOU SHOULD AVOID BEING NEAR THE SHORE LINE AND STAY
OFF OF ROCK FORMATIONS.
THE GREATEST POTENTIAL FOR COASTAL FLOODING AND BEACH EROSION WILL
BE DURING TIMES OF HIGH TIDE.
THE TIMES AND HEIGHTS OF THE NEXT HIGH TIDES FOR THE FOLLOWING
LOCATIONS ARE:
SAN JUAN HARBOR: 1.6 FEET AT 6:17 AM MONDAY MORNING
0.8 FEET AT 4:50 PM MONDAY AFTERNOON
MAGENS BAY ST THOMAS: 1.3 FEET AT 7:21 AM MONDAY MORNING
1.4 FEET AT 8:06 AM TUESDAY
CHRISTIANSTED ST CROIX: 0.9 FEET AT 6:12 AM MONDAY MORNING
0.9 FEET AT 6:48 AM TUESDAY MORNING
A COASTAL FLOOD WATCH MEANS THAT CONDITIONS ARE POSSIBLE FOR COASTAL
FLOODING...CAUSING INUNDATION OF COASTAL ROADS...LOW LYING AREAS...
AND BEACH EROSION. RESIDENTS AND LOCAL OFFICIALS SHOULD BE PREPARED
TO TAKE PROTECTIVE ACTIONS IN CASE COASTAL FLOODING OCCURS OR
WARNINGS ARE ISSUED. THIS SITUATION WILL BE CLOSELY MONITORED. WHILE
THERE IS STILL TIME...COASTAL RESIDENTS SHOULD MAKE IMPORTANT
PRELIMINARY PLANS TO PROTECT YOUR LIFE AND PROPERTY.
PLEASE STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST INFORMATION
ON THIS INCREASINGLY DANGEROUS MARINE SITUATION FROM YOUR NATIONAL
WEATHER SERVICE FORECAST OFFICE IN SAN JUAN.
THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND CLIMATE
INFORMATION...IS AVAILABLE ON THE WEB AT HTTP://WWW.SRH.NOAA.GOV/SJU
OR AT HTTP://WEATHER.GOV.
$$
SR/WS
HIGH SURF ADVISORY
Warning Issue Date: 1049 PM AST SUN DEC 27 2009
...A HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST WEDNESDAY...
...A COASTAL FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY
AFTERNOON...
LONG PERIOD...NORTH NORTHEAST SWELLS WILL CONTINUE TO INCREASE
ACROSS THE ATLANTIC WATERS AND THE CARIBBEAN PASSAGES OVERNIGHT
THROUGH MONDAY...RESULTING IN INCREASINGLY DANGEROUS SURF
CONDITIONS ACROSS THE NORTHERN EXPOSED COASTLINES OF ALL OF THE
LOCAL ISLANDS. THESE SWELLS WILL BE CAPABLE OF PRODUCING BREAKING
WAVES OF 12 TO 18 FEET...OR LARGER...ALONG THE NORTHERN EXPOSED
SHOALS...REEFS AND BEACHES OF THE LOCAL ISLANDS.
IN ADDITION...A SECOND BATCH OF LARGER NORTH NORTHEAST SWELLS...WITH
VERY LONG WAVE PERIODS OF 14 TO 16 SECONDS...WILL BUILD ACROSS THE
LOCAL ATLANTIC WATERS TOMORROW NIGHT...PEAKING EARLY
TUESDAY...BEFORE SLOWLY SUBSIDING THROUGH MID-WEEK. THESE SWELLS
WILL LIKELY PRODUCE VERY LARGE BREAKING WAVES OF 15 TO 22 FEET...OR
LARGER...ALONG WITH FREQUENT AND STRONG RIP CURRENTS...RESULTING
IN EXTREMELY DANGEROUS SURF CONDITIONS.
SIMILAR SWELL EVENTS OF THESE SIZES AND DURATION HAVE PRODUCED
SIGNIFICANT COASTAL FLOODING AND BEACH EROSION ALONG PARTS OF THE
NORTHERN COASTS OF PUERTO RICO AND THE U.S. VIRGIN ISLANDS. WITH
THESE VERY LARGE SWELLS ALSO COINCIDING WITH ASTRONOMICALLY HIGH
TIDES...THE THREAT OF SIGNIFICANT WAVE RUN-UP AND COASTAL
INUNDATION WILL BE GREATLY ENHANCED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE BREAKING WAVES WILL GENERATE STRONG AND DANGEROUS CURRENTS
WITHIN THE SURF ZONE...CALLED RIP CURRENTS. THESE NARROW OUTWARD
FLOWING CURRENTS CAN CARRY PEOPLE AND ANIMALS AWAY FROM THE COAST
LINE AND OUT TO SEA. IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT
PANIC. CALMLY...REMAIN AFLOAT...GATHER YOUR BEARINGS RELATIVE TO THE
BEACH...AND SWIM PARALLEL TO THE BEACH. YOU WILL EVENTUALLY LEAVE
THE GRIP OF THIS NARROW CURRENT...AND BE ABLE TO SAFELY SWIM TO
SHORE.
LOCAL BEACH GOERS...AND INEXPERIENCED SURFERS AND SWIMMERS ARE URGED
TO STAY OUT OF THE WATER UNTIL THESE HAZARDOUS SURF CONDITIONS
SUBSIDE. PERSONS ON THE BEACH SHOULD BE VIGILANT FOR LARGE BREAKING
WAVES SURGING UPON THE SHORE...WHICH CAN CARRY PEOPLE OF ALL SIZES
INTO THE OCEAN. YOU SHOULD AVOID BEING NEAR THE SHORE LINE AND STAY
OFF OF ROCK FORMATIONS.
THE GREATEST POTENTIAL FOR COASTAL FLOODING AND BEACH EROSION WILL
BE DURING TIMES OF HIGH TIDE.
THE TIMES AND HEIGHTS OF THE NEXT HIGH TIDES FOR THE FOLLOWING
LOCATIONS ARE:
SAN JUAN HARBOR: 1.6 FEET AT 6:17 AM MONDAY MORNING
0.8 FEET AT 4:50 PM MONDAY AFTERNOON
MAGENS BAY ST THOMAS: 1.3 FEET AT 7:21 AM MONDAY MORNING
1.4 FEET AT 8:06 AM TUESDAY
CHRISTIANSTED ST CROIX: 0.9 FEET AT 6:12 AM MONDAY MORNING
0.9 FEET AT 6:48 AM TUESDAY MORNING
A COASTAL FLOOD WATCH MEANS THAT CONDITIONS ARE POSSIBLE FOR COASTAL
FLOODING...CAUSING INUNDATION OF COASTAL ROADS...LOW LYING AREAS...
AND BEACH EROSION. RESIDENTS AND LOCAL OFFICIALS SHOULD BE PREPARED
TO TAKE PROTECTIVE ACTIONS IN CASE COASTAL FLOODING OCCURS OR
WARNINGS ARE ISSUED. THIS SITUATION WILL BE CLOSELY MONITORED. WHILE
THERE IS STILL TIME...COASTAL RESIDENTS SHOULD MAKE IMPORTANT
PRELIMINARY PLANS TO PROTECT YOUR LIFE AND PROPERTY.
PLEASE STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST INFORMATION
ON THIS INCREASINGLY DANGEROUS MARINE SITUATION FROM YOUR NATIONAL
WEATHER SERVICE FORECAST OFFICE IN SAN JUAN.
THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND CLIMATE
INFORMATION...IS AVAILABLE ON THE WEB AT HTTP://WWW.SRH.NOAA.GOV/SJU
OR AT HTTP://WEATHER.GOV.
$$
SR/WS
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