Chance Of Coastal Flooding This Week

COASTAL FLOOD STATEMENT


in effect until Thursday, May 12, 11:00 AM

A LATE SEASON SPRING NOREASTER LOCATED ABOUT 280 MILES EAST SOUTHEAST OF CAPE COD MIDDAY WEDNESDAY WILL CONTINUE TO GENERATE STRONG NORTHEAST WINDS AND VERY LARGE SURF TO CAPE COD AND NANTUCKET INTO EARLY THURSDAY.

ASTRONOMICAL TIDES ARE RELATIVELY LOW...AND STORM SURGE VALUES ARE APPROXIMATELY 1 FOOT. THIS WOULD NOT NORMALLY PRODUCE ANY SIGNIFICANT COASTAL FLOODING. EVEN A SURGE VALUE AS HIGH AS 2 FT WOULD NOT LIKELY PRODUCE COASTAL FLOODING. HOWEVER THE OCCURRENCE OF VERY LARGE SEAS AROUND 15 FEET OVER MULTIPLE TIDE CYCLES THROUGH EARLY THURSDAY WILL RESULT IN LARGE WAVES BATTERING THE COASTLINE. THIS MAY YIELD MODERATE TO PERHAPS SIGNIFICANT BEACH EROSION ACROSS EAST AND NORTHEAST FACING OCEAN EXPOSED BEACHES.

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ALL TIDE HEIGHTS ARE RELATIVE TO MEAN LOWER LOW WATER. TIME OF HIGH TOTAL TIDES ARE APPROXIMATE TO THE NEAREST HOUR.

SANDWICH HARBOR

TOTAL ASTRO TIDE DAY/TIME TIDE SURGE WAVES FLOOD /FT/ /FT/ /FT/ /FT/ CATEGORY ------- ---------- ------- ------- ------- ---------- 10.1 11/06 AM 9.6 0.5 5 NONE 10.1 11/07 PM 9.3 0.8 5-6 NONE 10.2 12/07 AM 9.6 0.6 5 NONE 10.1 13/08 PM 9.7 0.4 3 NONE 10.0 13/08 AM 9.7 0.3 2 NONE 10.4 14/08 PM 10.2 0.2 1 NONE

PROVINCETOWN HARBOR

TOTAL ASTRO TIDE DAY/TIME TIDE SURGE WAVES FLOOD /FT/ /FT/ /FT/ /FT/ CATEGORY ------- ---------- ------- ------- ------- ---------- 10.0 11/06 AM 9.5 0.5 4 NONE 10.0 11/07 PM 9.2 0.8 4 NONE 10.0 12/07 AM 9.5 0.5 4 NONE 10.0 13/08 PM 9.7 0.3 2-3 NONE 9.8 13/08 AM 9.6 0.2 2 NONE 10.2 13/09 PM 10.1 0.1 1 NONE

CHATHAM - EAST COAST

TOTAL ASTRO TIDE DAY/TIME TIDE SURGE WAVES FLOOD /FT/ /FT/ /FT/ /FT/ CATEGORY ------- ---------- ------- ------- ------- ---------- 7.4 11/06 AM 6.8 0.6 8 NONE 7.5 11/07 PM 6.7 0.8 9-10 NONE 7.3 12/07 AM 6.8 0.5 9-10 NONE 7.4 13/08 PM 7.1 0.3 7 NONE 7.2 13/08 AM 6.9 0.3 6 NONE 7.5 13/09 PM 7.4 0.1 5 NONE

CHATHAM - SOUTH COAST

TOTAL ASTRO TIDE DAY/TIME TIDE SURGE WAVES FLOOD /FT/ /FT/ /FT/ /FT/ CATEGORY ------- ---------- ------- ------- ------- ---------- 6.6 11/06 AM 6.0 0.6 2 NONE 6.8 11/07 PM 5.9 0.9 2-3 NONE 6.5 12/07 AM 6.0 0.5 2 NONE 6.6 13/08 PM 6.2 0.4 2 NONE 6.3 13/08 AM 6.0 0.3 1-2 NONE 6.7 13/09 PM 6.5 0.2 1 NONE

BUZZARDS BAY - WOODS HOLE

TOTAL ASTRO TIDE DAY/TIME TIDE SURGE WAVES FLOOD /FT/ /FT/ /FT/ /FT/ CATEGORY ------- ---------- ------- ------- ------- ---------- 2.1 11/03 AM 1.9 0.2 2 NONE 2.3 11/03 PM 1.9 0.4 2 NONE 2.4 12/04 AM 1.8 0.6 2 NONE 2.6 12/05 PM 2.2 0.4 2 NONE 2.0 13/05 AM 1.8 0.2 1 NONE 2.7 13/05 PM 2.4 0.3 1 NONE

NANTUCKET HARBOR

TOTAL ASTRO TIDE DAY/TIME TIDE SURGE WAVES FLOOD /FT/ /FT/ /FT/ /FT/ CATEGORY ------- ---------- ------- ------- ------- ---------- 3.8 11/07 AM 3.3 0.5 5 NONE 4.1 11/07 PM 3.2 0.9 5 NONE 3.8 12/07 AM 3.2 0.6 5 NONE 3.8 13/08 PM 3.4 0.4 4 NONE 3.4 13/08 AM 3.2 0.2 3 NONE 3.8 13/09 PM 3.6 0.2 2 NONE

NANTUCKET EAST COAST

TOTAL ASTRO TIDE DAY/TIME TIDE SURGE WAVES FLOOD /FT/ /FT/ /FT/ /FT/ CATEGORY ------- ---------- ------- ------- ------- ---------- 3.8 11/06 AM 3.2 0.6 7 NONE 4.1 11/07 PM 3.1 1.0 8-9 NONE 3.8 12/07 AM 3.2 0.6 8-9 NONE 3.7 13/08 PM 3.3 0.4 6 NONE 3.5 13/08 AM 3.2 0.3 5 NONE 3.7 13/09 PM 3.5 0.2 5 NONE

NANTUCKET SOUTH COAST

TOTAL ASTRO TIDE DAY/TIME TIDE SURGE WAVES FLOOD /FT/ /FT/ /FT/ /FT/ CATEGORY ------- ---------- ------- ------- ------- ---------- 3.8 11/07 AM 3.3 0.5 5 NONE 3.9 11/07 PM 3.0 0.9 6 NONE 3.8 12/08 AM 3.2 0.6 6 NONE 3.7 13/08 PM 3.3 0.4 5 NONE 3.3 13/09 AM 3.1 0.2 4 NONE 3.7 13/09 PM 3.5 0.2 4 NONE

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