WHUS41 KBOX 200744 CFWBOX COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 344 AM EDT SAT SEP 20 2008 MAZ022-024-202200- /O.CON.KBOX.SU.Y.0011.000000T0000Z-080920T2200Z/ BARNSTABLE MA-NANTUCKET MA- 344 AM EDT SAT SEP 20 2008 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS AFTERNOON... A HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS AFTERNOON FOR EAST FACING OCEAN EXPOSED BEACHES OF CAPE COD AND NANTUCKET. EASTERLY SWELL OF 5 TO 7 FEET WILL PERSIST TODAY OVER THE WATERS SOUTH AND EAST OF CAPE COD. THIS WILL CONTINUE TO PRODUCE ROUGH SURF AND A HIGH RISK OF STRONG RIP CURRENTS TODAY ALONG EAST FACING OCEAN BEACHES OF CAPE COD AND NANTUCKET. A RIP CURRENT...SOMETIMES MISTAKENLY CALLED AN UNDERTOW...IS A STRONG BUT NARROW CURRENT OF WATER FLOWING FROM THE BEACH TO THE SURF ZONE. IT CAN RAPIDLY CARRY A SWIMMER INTO DEEPER WATER AND EXHAUST AN INDIVIDUAL TRYING TO SWIM AGAINST IT. IF YOU ARE A POOR SWIMMER AND ARE CAUGHT IN A RIP CURRENT...SWIM PARALLEL TO THE BEACH UNTIL OUT OF ITS PULL. ANOTHER MEANS OF ESCAPE FOR THOSE WHO ARE GOOD SWIMMERS IS TO RIDE THE CURRENT OUT BEYOND THE SURF ZONE WHERE THE RIP CURRENT DISSIPATES...THEN SWIM TOWARD SHORE OUTSIDE THE EFFECT OF THE NARROW RIP CURRENT. DO NOT ATTEMPT TO SWIM BACK TO SHORE DIRECTLY AGAINST THE CURRENT...IT CAN EXHAUST AND DROWN EVEN THE STRONGEST SWIMMER. HEED THE ADVICE OF THE BEACH PATROL AND SWIM ONLY AT GUARDED BEACHES. WATCH YOUR CHILDREN. BE ESPECIALLY CAUTIOUS NEAR PIERS AND JETTIES WHERE RIP CURRENTS CAN BE ENHANCED. $$ KJC