Alert archive / Hawaii / High Surf Advisories in 2017
High Surf Advisory 49, NWS Honolulu, HI
NWS Honolulu, HI issued this high surf advisory at Nov 24, 2017, 3:32 PM HST for Honolulu County, Kauai County, Kalawao County, Hawaii. It was in force for 8 days.
The area
The counties it named.
The facts
- Issued
- Nov 24, 2017, 3:32 PM HST (01:32 UTC)
- Expired
- Dec 2, 2017, 3:33 AM HST
- In force
- 8 days
- Issued by
- NWS Honolulu, HI
Counties Honolulu County, HI, Kalawao County, HI, Kauai County, HI
The radar
The Molokai radar (PHMO), 116 km from the middle of the area, began a volume at 01:36 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Lihue, (PHLI), launched 00:00Z, 1.5 hours before the alert went out and 127 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 170 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 840 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
824 WHHW40 PHFO 250132 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 332 PM HST FRI NOV 24 2017 ...HIGH SURF WARNING REMAINS IN EFFECT FOR NORTH AND EAST FACING SHORES OF THE BIG ISLAND... ...HIGH SURF ADVISORY FOR NORTH AND EAST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND MAUI... .A LOW PRESSURE SYSTEM OVER THE NORTHEAST PACIFIC GENERATED A LARGE NORTH SWELL WHICH CONTINUES TO BRING WARNING LEVEL IMPACTS TO THE BIG ISLAND. SURF ALONG THE EXPOSED SMALLER ISLAND SHORES HAS DROPPED TO ADVISORY LEVELS. THE NORTH SWELL WILL CONTINUE TO TREND DOWN OVERNIGHT AND SATURDAY. STRONG TRADE WINDS WILL PRODUCE ROUGH SURF ALONG EAST FACING SHORES THROUGH THE WEEKEND. HIZ001>003-007>009-012-013-017>020-251445- /O.CAN.PHFO.SU.W.0015.000000T0000Z-171125T0400Z/ /O.NEW.PHFO.SU.Y.0049.171125T0132Z-171125T2000Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-MOLOKAI WINDWARD-MOLOKAI LEEWARD-MAUI WINDWARD WEST- MAUI LEEWARD WEST-MAUI CENTRAL VALLEY-WINDWARD HALEAKALA- 332 PM HST FRI NOV 24 2017 ...HIGH SURF ADVISORY IN EFFECT UNTIL 10 AM HST SATURDAY... ...HIGH SURF WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM HST SATURDAY. THE HIGH SURF WARNING HAS BEEN CANCELLED. * SURF...12 TO 16 FEET ALONG NORTH FACING SHORES...AND 6 TO 10 FEET ALONG EAST FACING SHORES OF NIIHAU...KAUAI...OAHU...MOLOKAI AND MAUI. * TIMING...THROUGH 10 AM SATURDAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES, SHORE BREAK, AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$ HIZ025-251445- /O.EXT.PHFO.SU.W.0015.000000T0000Z-171125T2000Z/ BIG ISLAND NORTH AND EAST- 332 PM HST FRI NOV 24 2017 ...HIGH SURF WARNING NOW IN EFFECT UNTIL 10 AM HST SATURDAY... * SURF...20 TO 25 FEET ALONG NORTH FACING SHORES...AND 10 TO 15 FEET ALONG EAST FACING SHORES. A NORTH SWELL COMBINED WITH STRONG TRADE WINDS ARE PRODUCING ROUGH...AND VARIED SURF ALONG EXPOSED SHORELINES ON THE BIG ISLAND. * TIMING...THROUGH 10 AM SATURDAY. * IMPACTS...HIGH...EXPECT OCEAN WATER OCCASIONALLY SWEEPING ACROSS PORTIONS OF BEACHES...CREATING THE POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND INFRASTRUCTURE...INCLUDING ROADWAYS. IN ADDITION...EXPECT VERY STRONG BREAKING WAVES AND STRONG CURRENTS. BREAKING WAVES MAY OCCASIONALLY IMPACT HARBORS MAKING NAVIGATING THE HARBOR CHANNEL DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... STAY WELL AWAY FROM THE SHORELINE IN THE AFFECTED AREAS. BE PREPARED FOR ROAD CLOSURES. && $$
18 follow-up statements
678 WHHW40 PHFO 251324 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 324 AM HST SAT NOV 25 2017 ...HIGH SURF WARNING REMAINS IN EFFECT FOR NORTH AND EAST FACING SHORES OF THE BIG ISLAND... ...HIGH SURF ADVISORY REMAINS IN EFFECT FOR EAST FACING SHORES OF KAUAI OAHU MOLOKAI AND MAUI... ...HIGH SURF ADVISORY FOR NORTH FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND MAUI IS CANCELLED... .THE ABOVE NORMAL NORTH SWELL CONTINUES TO SUBSIDE, AND HAS DECREASED TO BELOW ADVISORY LEVELS. THEREFORE...THE HIGH SURF ADVISORY FOR THE NORTH FACING SHORES FOR NIIHAU KAUAI OAHU MOLOKAI AND MAUI IS CANCELED. THE HIGH SURF WARNING FOR THE NORTH FACING SHORES OF THE BIG ISLAND REMAINS IN EFFECT TO UNTIL 10 AM HST TODAY...AND A HIGH SURF ADVISORY REMAINS IN EFFECT FOR THE EAST FACING SHORES OF THE SMALLER ISLANDS REMAINS IN EFFECT TO 6 PM HST SUNDAY. HIZ001-003-007-013-018-019-251430- /O.CAN.PHFO.SU.Y.0049.000000T0000Z-171125T2000Z/ NIIHAU-KAUAI LEEWARD-OAHU NORTH SHORE-MOLOKAI LEEWARD- MAUI LEEWARD WEST-MAUI CENTRAL VALLEY- 324 AM HST SAT NOV 25 2017 ...HIGH SURF ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS CANCELLED THE HIGH SURF ADVISORY. $$ HIZ025-252000- /O.CON.PHFO.SU.W.0015.000000T0000Z-171125T2000Z/ BIG ISLAND NORTH AND EAST- 324 AM HST SAT NOV 25 2017 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 10 AM HST THIS MORNING... * SURF...20 TO 25 FEET ALONG NORTH FACING SHORES...AND 10 TO 15 FEET ALONG EAST FACING SHORES. AN ELEVATED NORTH SWELL COMBINED WITH STRONG TRADE WINDS ARE PRODUCING ROUGH...AND VARIED SURF ALONG EXPOSED SHORELINES ON THE BIG ISLAND. * TIMING...THROUGH 10 AM TODAY. * IMPACTS...HIGH...EXPECT OCEAN WATER OCCASIONALLY SWEEPING ACROSS PORTIONS OF BEACHES...CREATING THE POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND INFRASTRUCTURE...INCLUDING ROADWAYS. IN ADDITION...EXPECT VERY STRONG BREAKING WAVES AND STRONG CURRENTS. BREAKING WAVES MAY OCCASIONALLY IMPACT HARBORS MAKING NAVIGATING THE HARBOR CHANNEL DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... STAY WELL AWAY FROM THE SHORELINE IN THE AFFECTED AREAS. BE PREPARED FOR ROAD CLOSURES. && $$ HIZ002-008-009-012-017-020-260230- /O.EXT.PHFO.SU.Y.0049.000000T0000Z-171127T0400Z/ KAUAI WINDWARD-OAHU KOOLAU-OLOMANA-MOLOKAI WINDWARD- MAUI WINDWARD WEST-WINDWARD HALEAKALA- 324 AM HST SAT NOV 25 2017 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM HST SUNDAY... * SURF...6 TO 8 FEET ALONG EAST FACING SHORES OF KAUAI...OAHU... MOLOKAI AND MAUI. * TIMING...THROUGH 6 PM HST SUNDAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES, SHORE BREAK, AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$
589 WHHW40 PHFO 251948 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 948 AM HST SAT NOV 25 2017 ...HIGH SURF ADVISORY IN EFFECT FOR EAST FACING SHORES OF KAUAI OAHU MOLOKAI MAUI AND BIG ISLAND... .INCREASING TRADE WINDS WILL BRING LOW END ADVISORY LEVEL SURF TO EAST FACING SHORES THROUGH SUNDAY. HIZ025-260900- /O.CAN.PHFO.SU.W.0015.000000T0000Z-171125T2000Z/ /O.EXA.PHFO.SU.Y.0049.000000T0000Z-171127T0400Z/ BIG ISLAND NORTH AND EAST- 948 AM HST SAT NOV 25 2017 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST SUNDAY... ...HIGH SURF WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM HST SUNDAY. THE HIGH SURF WARNING HAS BEEN CANCELLED. * SURF...6 TO 8 FEET ALONG EAST FACING SHORES OF THE BIG ISLAND. * TIMING...THROUGH 6 PM HST SUNDAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES, SHORE BREAK, AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$ HIZ002-008-009-012-017-020-260900- /O.CON.PHFO.SU.Y.0049.000000T0000Z-171127T0400Z/ KAUAI WINDWARD-OAHU KOOLAU-OLOMANA-MOLOKAI WINDWARD- MAUI WINDWARD WEST-WINDWARD HALEAKALA- 948 AM HST SAT NOV 25 2017 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST SUNDAY... * SURF...6 TO 8 FEET ALONG EAST FACING SHORES OF KAUAI...OAHU... MOLOKAI AND MAUI. * TIMING...THROUGH 6 PM HST SUNDAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES, SHORE BREAK, AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$
098 WHHW40 PHFO 260126 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 326 PM HST SAT NOV 25 2017 ...HIGH SURF ADVISORY IN EFFECT FOR EAST FACING SHORES OF KAUAI OAHU MOLOKAI MAUI AND BIG ISLAND... .INCREASING TRADE WINDS WILL BRING ADVISORY LEVEL SURF TO EAST FACING SHORES THROUGH MONDAY. THE SURF IS EXPECTED TO PEAK OVERNIGHT SUNDAY/EARLY MONDAY. HIZ002-008-009-012-017-020-025-261430- /O.EXT.PHFO.SU.Y.0049.000000T0000Z-171128T0400Z/ KAUAI WINDWARD-OAHU KOOLAU-OLOMANA-MOLOKAI WINDWARD- MAUI WINDWARD WEST-WINDWARD HALEAKALA-BIG ISLAND NORTH AND EAST- 326 PM HST SAT NOV 25 2017 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM HST MONDAY... * SURF...6 TO 10 FEET ALONG EAST FACING SHORES...INCREASING TO 8 TO 12 FEET LATE SUNDAY. * TIMING...THROUGH 6 PM HST MONDAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES, SHORE BREAK, AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$
559 WHHW40 PHFO 261327 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 327 AM HST SUN NOV 26 2017 ...HIGH SURF ADVISORY IN EFFECT FOR EAST FACING SHORES OF KAUAI OAHU MOLOKAI MAUI AND BIG ISLAND... .STRONG TRADE WINDS WILL BRING ADVISORY LEVEL SURF TO EAST FACING SHORES THROUGH MONDAY. HIZ002-008-009-012-017-020-025-270230- /O.CON.PHFO.SU.Y.0049.000000T0000Z-171128T0400Z/ KAUAI WINDWARD-OAHU KOOLAU-OLOMANA-MOLOKAI WINDWARD- MAUI WINDWARD WEST-WINDWARD HALEAKALA-BIG ISLAND NORTH AND EAST- 327 AM HST SUN NOV 26 2017 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST MONDAY... * SURF...6 TO 10 FEET ALONG EAST FACING SHORES...INCREASING TO 8 TO 12 FEET THIS AFTERNOON THROUGH MONDAY MORNING. * TIMING...THROUGH 6 PM HST MONDAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$
745 WHHW40 PHFO 270135 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 335 PM HST SUN NOV 26 2017 ...HIGH SURF ADVISORY IN EFFECT FOR EAST AND NORTH FACING SHORES OF KAUAI OAHU MOLOKAI MAUI AND BIG ISLAND... .THE COMBINATION OF A NORTH SWELL BUILDING TONIGHT AND CONTINUED LARGE AND ROUGH SEAS GENERATED BY STRONG TRADE WINDS WILL BRING ADVISORY LEVEL SURF TO EAST AND NORTH FACING SHORES THROUGH MONDAY AFTERNOON. THE NORTH SWELL WILL SUBSIDE MONDAY AFTERNOON...WHILE LARGE SURF ALONG EAST FACING SHORES WILL CONTINUE INTO TUESDAY. HIZ007-013-019-271445- /O.EXB.PHFO.SU.Y.0049.171127T1000Z-171128T0400Z/ OAHU NORTH SHORE-MOLOKAI LEEWARD-MAUI CENTRAL VALLEY- 335 PM HST SUN NOV 26 2017 ...HIGH SURF ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM HST MONDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF ADVISORY, WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM HST MONDAY. * SURF...ALONG NORTH FACING SHORES...INCREASING TO 10 TO 15 FEET AFTER MIDNIGHT AND CONTINUING INTO MONDAY AFTERNOON. * TIMING...FROM MIDNIGHT THROUGH MONDAY AFTERNOON. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$ HIZ002-008-009-012-017-020-025-271445- /O.EXT.PHFO.SU.Y.0049.000000T0000Z-171129T0400Z/ KAUAI WINDWARD-OAHU KOOLAU-OLOMANA-MOLOKAI WINDWARD- MAUI WINDWARD WEST-WINDWARD HALEAKALA-BIG ISLAND NORTH AND EAST- 335 PM HST SUN NOV 26 2017 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM HST TUESDAY... * SURF...ALONG EAST FACING SHORES...8 TO 12 FEET THROUGH MONDAY...DECREASING TO 6 TO 10 FEET TUESDAY. ALONG NORTH FACING SHORES...INCREASING TO 10 TO 15 FEET AFTER MIDNIGHT AND CONTINUING INTO MONDAY AFTERNOON. * TIMING...ALONG EAST FACING SHORES...HOLDING THROUGH MONDAY AFTERNOON AND DECREASING SLOWLY ON TUESDAY. ALONG NORTH FACING SHORES...FROM MIDNIGHT THROUGH MONDAY AFTERNOON. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$ WROE
737 WHHW40 PHFO 271334 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 334 AM HST MON NOV 27 2017 ...HIGH SURF ADVISORY IN EFFECT FOR EAST AND NORTH FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI MAUI AND BIG ISLAND... .THE COMBINATION OF A NORTH SWELL AND CONTINUED LARGE AND ROUGH SEAS GENERATED BY STRONG TRADE WINDS WILL BRING ADVISORY LEVEL SURF TO EAST AND NORTH FACING SHORES THROUGH MONDAY AFTERNOON. THE NORTH SWELL WILL SUBSIDE MONDAY AFTERNOON... WHILE LARGE SURF ALONG EAST FACING SHORES WILL CONTINUE INTO TUESDAY.. HIZ001-003-280245- /O.EXA.PHFO.SU.Y.0049.000000T0000Z-171128T0400Z/ NIIHAU-KAUAI LEEWARD- 334 AM HST MON NOV 27 2017 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST THIS EVENING... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF ADVISORY, WHICH IS IN EFFECT UNTIL 6 PM HST THIS EVENING. * SURF...ALONG NORTH FACING SHORES...10 TO 15 FEET...DROPPING BELOW 15 FEET LATE TODAY. * TIMING...THROUGH THIS AFTERNOON. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$ HIZ024-280245- /O.EXA.PHFO.SU.Y.0049.000000T0000Z-171129T0400Z/ SOUTH BIG ISLAND- 334 AM HST MON NOV 27 2017 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST TUESDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF ADVISORY, WHICH IS IN EFFECT UNTIL 6 PM HST TUESDAY. * SURF...ALONG EAST FACING SHORES...8 TO 12 FEET THROUGH TODAY...DECREASING TO 6 TO 10 FEET TUESDAY. * TIMING...HOLDING THROUGH THIS AFTERNOON AND DECREASING SLOWLY ON TUESDAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$ HIZ002-008-009-012-017-020-025-280245- /O.CON.PHFO.SU.Y.0049.000000T0000Z-171129T0400Z/ KAUAI WINDWARD-OAHU KOOLAU-OLOMANA-MOLOKAI WINDWARD- MAUI WINDWARD WEST-WINDWARD HALEAKALA-BIG ISLAND NORTH AND EAST- 334 AM HST MON NOV 27 2017 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST TUESDAY... * SURF...ALONG EAST FACING SHORES...8 TO 12 FEET THROUGH TODAY...DECREASING TO 6 TO 10 FEET TUESDAY. ALONG NORTH FACING SHORES...10 TO 15 FEET...DROPPING BELOW 15 FEET LATE TODAY. * TIMING...ALONG EAST FACING SHORES...HOLDING THROUGH THIS AFTERNOON AND DECREASING SLOWLY ON TUESDAY. ALONG NORTH FACING SHORES...THROUGH THIS AFTERNOON. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$ HIZ007-013-019-280245- /O.CON.PHFO.SU.Y.0049.000000T0000Z-171128T0400Z/ OAHU NORTH SHORE-MOLOKAI LEEWARD-MAUI CENTRAL VALLEY- 334 AM HST MON NOV 27 2017 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING... * SURF...ALONG NORTH FACING SHORES...10 TO 15 FEET...DROPPING BELOW 15 FEET LATE TODAY. * TIMING...THROUGH THIS AFTERNOON. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$
281 WHHW40 PHFO 280143 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 343 PM HST MON NOV 27 2017 ...HIGH SURF ADVISORY IN EFFECT FOR EAST FACING SHORES OF KAUAI OAHU MOLOKAI MAUI AND THE BIG ISLAND... .ROUGH SEAS GENERATED BY STRONG TRADE WINDS WILL CONTINUE TO BRING ADVISORY LEVEL SURF TO EAST FACING SHORES THROUGH TUESDAY AFTERNOON. HIZ001-003-007-013-019-280245- /O.CAN.PHFO.SU.Y.0049.000000T0000Z-171128T0400Z/ NIIHAU-KAUAI LEEWARD-OAHU NORTH SHORE-MOLOKAI LEEWARD- MAUI CENTRAL VALLEY- 343 PM HST MON NOV 27 2017 ...HIGH SURF ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS CANCELLED THE HIGH SURF ADVISORY. THE NORTH SWELL WILL CONTINUE TO SUBSIDE INTO TUESDAY. SURF NO LONGER MEETS HIGH SURF CRITERIA FOR NORTH FACING SHORES. $$ HIZ002-008-009-012-017-020-024-025-281445- /O.CON.PHFO.SU.Y.0049.000000T0000Z-171129T0400Z/ KAUAI WINDWARD-OAHU KOOLAU-OLOMANA-MOLOKAI WINDWARD- MAUI WINDWARD WEST-WINDWARD HALEAKALA-SOUTH BIG ISLAND- BIG ISLAND NORTH AND EAST- 343 PM HST MON NOV 27 2017 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST TUESDAY... * SURF...ALONG EAST FACING SHORES...6 TO 10 FEET. * TIMING...THROUGH TUESDAY AFTERNOON. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$
679 WHHW40 PHFO 281325 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 325 AM HST TUE NOV 28 2017 ...HIGH SURF ADVISORY IN EFFECT FOR EAST FACING SHORES OF KAUAI OAHU MOLOKAI MAUI AND THE BIG ISLAND... .ROUGH SEAS GENERATED BY STRONG TRADE WINDS WILL CONTINUE TO BRING ADVISORY LEVEL SURF TO EAST FACING SHORES TODAY. HIZ002-008-009-012-017-020-024-025-290230- /O.CON.PHFO.SU.Y.0049.000000T0000Z-171129T0400Z/ KAUAI WINDWARD-OAHU KOOLAU-OLOMANA-MOLOKAI WINDWARD- MAUI WINDWARD WEST-WINDWARD HALEAKALA-SOUTH BIG ISLAND- BIG ISLAND NORTH AND EAST- 325 AM HST TUE NOV 28 2017 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING... * SURF...ALONG EAST FACING SHORES...6 TO 10 FEET. * TIMING...THROUGH THIS AFTERNOON. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$
517 WHHW40 PHFO 281907 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 907 AM HST TUE NOV 28 2017 ...HIGH SURF ADVISORY IN EFFECT FOR NORTH AND EAST FACING SHORES OF KAUAI OAHU MOLOKAI MAUI AND THE BIG ISLAND... .ROUGH SEAS GENERATED BY STRONG TRADE WINDS WILL CONTINUE TO BRING ADVISORY LEVEL SURF TO EAST FACING SHORES TODAY. A NORTH- NORTHWEST SWELL ARRIVING TODAY AND PEAKING TONIGHT WILL PRODUCE ADVISORY LEVEL SURF FOR NORTH FACING SHORES. HIZ001-003-007-013-019-290815- /O.EXB.PHFO.SU.Y.0049.171129T0400Z-171129T2200Z/ NIIHAU-KAUAI LEEWARD-OAHU NORTH SHORE-MOLOKAI LEEWARD- MAUI CENTRAL VALLEY- 907 AM HST TUE NOV 28 2017 ...HIGH SURF ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON HST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF ADVISORY, WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON HST WEDNESDAY. * SURF...ALONG NORTH FACING SHORES...10 TO 15 FEET. * TIMING...THROUGH NOON WEDNESDAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$ HIZ002-008-009-012-017-020-290815- /O.EXT.PHFO.SU.Y.0049.000000T0000Z-171129T2200Z/ KAUAI WINDWARD-OAHU KOOLAU-OLOMANA-MOLOKAI WINDWARD- MAUI WINDWARD WEST-WINDWARD HALEAKALA- 907 AM HST TUE NOV 28 2017 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL NOON HST WEDNESDAY... * SURF...ALONG EAST FACING SHORES...6 TO 10 FEET. SHORES EXPOSED TO SURF FROM THE NORTH WILL HAVE HEIGHTS OF 10 TO 15 FEET. * TIMING...THROUGH TODAY FOR EAST FACING SHORES. TONIGHT THROUGH NOON WEDNESDAY FOR SHORES EXPOSED TO SURF FROM THE NORTH. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$ HIZ024-025-290400- /O.CON.PHFO.SU.Y.0049.000000T0000Z-171129T0400Z/ SOUTH BIG ISLAND-BIG ISLAND NORTH AND EAST- 907 AM HST TUE NOV 28 2017 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING... * SURF...ALONG EAST FACING SHORES...6 TO 10 FEET. * TIMING...THROUGH THIS AFTERNOON. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$
149 WHHW40 PHFO 290130 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 330 PM HST TUE NOV 28 2017 ...HIGH SURF ADVISORY IN EFFECT FOR NORTH AND EAST FACING SHORES OF KAUAI OAHU MOLOKAI MAUI AND THE BIG ISLAND... .ROUGH SEAS GENERATED BY STRONG TRADE WINDS WILL CONTINUE TO BRING ADVISORY LEVEL SURF TO EAST FACING SHORES THROUGH TONIGHT. A BUILDING NORTH-NORTHWEST SWELL WILL PEAK TONIGHT AND WILL PRODUCE ADVISORY LEVEL SURF FOR NORTH FACING SHORES. HIZ001-003-007-013-019-291430- /O.EXT.PHFO.SU.Y.0049.171129T0130Z-171129T2200Z/ NIIHAU-KAUAI LEEWARD-OAHU NORTH SHORE-MOLOKAI LEEWARD- MAUI CENTRAL VALLEY- 330 PM HST TUE NOV 28 2017 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL NOON HST WEDNESDAY... * SURF...ALONG NORTH FACING SHORES...12 TO 16 FEET. * TIMING...TONIGHT AND WEDNESDAY MORNING. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$ HIZ024-025-291430- /O.EXT.PHFO.SU.Y.0049.000000T0000Z-171129T1600Z/ SOUTH BIG ISLAND-BIG ISLAND NORTH AND EAST- 330 PM HST TUE NOV 28 2017 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 AM HST WEDNESDAY... * SURF...ALONG EAST FACING SHORES...6 TO 10 FEET. * TIMING...THROUGH TONIGHT. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$ HIZ002-008-009-012-017-020-291430- /O.CON.PHFO.SU.Y.0049.000000T0000Z-171129T2200Z/ KAUAI WINDWARD-OAHU KOOLAU-OLOMANA-MOLOKAI WINDWARD- MAUI WINDWARD WEST-WINDWARD HALEAKALA- 330 PM HST TUE NOV 28 2017 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL NOON HST WEDNESDAY... * SURF...ALONG EAST FACING SHORES...6 TO 10 FEET. SHORES EXPOSED TO SURF FROM THE NORTH WILL HAVE HEIGHTS OF 12 TO 16 FEET. * TIMING...THROUGH TONIGHT FOR EAST FACING SHORES. TONIGHT THROUGH NOON WEDNESDAY FOR SHORES EXPOSED TO SURF FROM THE NORTH. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$
153 WHHW40 PHFO 291330 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 330 AM HST WED NOV 29 2017 ...HIGH SURF ADVISORY IN EFFECT FOR NORTH AND EAST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND MAUI...AND EAST FACING SHORES OF THE BIG ISLAND... .NORTH-NORTHWEST SWELLS WILL PRODUCE ADVISORY LEVEL SURF FOR NORTH FACING SHORES. ROUGH SEAS GENERATED BY STRONG TRADE WINDS WILL CONTINUE TO BRING ADVISORY LEVEL SURF TO EAST FACING SHORES. HIZ001>003-007>009-012-013-017-019-020-024-025-300230- /O.EXT.PHFO.SU.Y.0049.000000T0000Z-171201T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-MOLOKAI WINDWARD-MOLOKAI LEEWARD-MAUI WINDWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-SOUTH BIG ISLAND- BIG ISLAND NORTH AND EAST- 330 AM HST WED NOV 29 2017 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM HST THURSDAY... * SURF...ALONG NORTH FACING SHORES OF THE SMALLER ISLANDS...10 TO 15 FEET...THEN RISING STEADILY THROUGH LATE TONIGHT INTO THURSDAY TO 20 TO 24 FEET. ALONG EAST FACING SHORES...5 TO 8 FEET THROUGH THURSDAY. * TIMING...THROUGH THURSDAY AFTERNOON. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$
790 WHHW40 PHFO 300149 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 349 PM HST WED NOV 29 2017 ...HIGH SURF ADVISORY IN EFFECT FOR NORTH FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND MAUI... ...HIGH SURF ADVISORY IN EFFECT FOR EAST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI MAUI AND THE BIG ISLAND... ...HIGH SURF ADVISORY IN EFFECT FOR WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI... .NORTH-NORTHWEST SWELLS WILL PRODUCE ADVISORY LEVEL SURF FOR NORTH AND WEST FACING SHORES OF THE SMALLER ISLANDS. ROUGH SEAS GENERATED BY STRONG TRADE WINDS WILL CONTINUE TO BRING ADVISORY LEVEL SURF TO EAST FACING SHORES OF MOST ISLANDS. HIZ006-301500- /O.EXB.PHFO.SU.Y.0049.000000T0000Z-171201T1600Z/ WAIANAE COAST- 349 PM HST WED NOV 29 2017 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 AM HST FRIDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF ADVISORY, WHICH IS IN EFFECT UNTIL 6 AM HST FRIDAY. * SURF...ALONG WEST FACING SHORES...RISING TO 8 TO 12 FEET LATE TONIGHT THROUGH THURSDAY. * TIMING...THROUGH THURSDAY NIGHT. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$ HIZ001>003-007>009-012-013-017-019-020-024-025-301500- /O.EXT.PHFO.SU.Y.0049.000000T0000Z-171201T1600Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-MOLOKAI WINDWARD-MOLOKAI LEEWARD-MAUI WINDWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-SOUTH BIG ISLAND- BIG ISLAND NORTH AND EAST- 349 PM HST WED NOV 29 2017 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 AM HST FRIDAY... * SURF...ALONG NORTH FACING SHORES OF THE SMALLER ISLANDS...10 TO 15 FEET THIS EVENING...RISING LATE TONIGHT INTO THURSDAY TO 18 TO 22 FEET. ALONG WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI...RISING LATE TONIGHT INTO THURSDAY TO 8 TO 12 FT. ALONG EAST FACING SHORES...5 TO 8 FEET. * TIMING...THROUGH THURSDAY NIGHT. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$
648 WHHW40 PHFO 301330 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 330 AM HST THU NOV 30 2017 ...HIGH SURF ADVISORY IN EFFECT FOR NORTH FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND MAUI... ...HIGH SURF ADVISORY IN EFFECT FOR EAST FACING SHORES OF KAUAI OAHU MOLOKAI MAUI AND THE BIG ISLAND... ...HIGH SURF ADVISORY IN EFFECT FOR WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI... .A NORTH-NORTHWEST SWELL WILL PRODUCE ADVISORY LEVEL SURF FOR NORTH AND WEST FACING SHORES OF THE SMALLER ISLANDS. ROUGH SEAS GENERATED BY STRONG TRADE WINDS WILL CONTINUE TO BRING ADVISORY LEVEL SURF TO EAST FACING SHORES OF MOST ISLANDS. HIZ001>003-006>009-012-013-017-019-020-024-025-010230- /O.CON.PHFO.SU.Y.0049.000000T0000Z-171201T1600Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST- OAHU NORTH SHORE-OAHU KOOLAU-OLOMANA-MOLOKAI WINDWARD- MOLOKAI LEEWARD-MAUI WINDWARD WEST-MAUI CENTRAL VALLEY- WINDWARD HALEAKALA-SOUTH BIG ISLAND-BIG ISLAND NORTH AND EAST- 330 AM HST THU NOV 30 2017 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST FRIDAY... * SURF...ALONG NORTH FACING SHORES OF THE SMALLER ISLANDS...18 TO 22 FEET. ALONG WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI...8 TO 12 FT. ALONG EAST FACING SHORES...5 TO 8 FEET. * TIMING...THROUGH EARLY FRIDAY MORNING. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT... DO NOT GO OUT. && $$
072 WHHW40 PHFO 010140 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 340 PM HST THU NOV 30 2017 ...HIGH SURF ADVISORY IN EFFECT FOR NORTH FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND MAUI... ...HIGH SURF ADVISORY IN EFFECT FOR WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI... ...HIGH SURF ADVISORY IN EFFECT FOR EAST FACING SHORES OF KAUAI OAHU MOLOKAI MAUI AND THE BIG ISLAND... .THE CURRENT NORTH-NORTHWEST SWELL WILL PRODUCE ADVISORY LEVEL SURF FOR WEST FACING SHORES THROUGH EARLY FRIDAY MORNING AND TO FRIDAY AFTERNOON FOR NORTH FACING SHORES OF THE SMALLER ISLANDS. ROUGH SEAS GENERATED BY STRONG TRADE WINDS WILL CONTINUE TO BRING ADVISORY LEVEL SURF TO EAST FACING SHORES OF MOST ISLANDS. HIZ001>003-007>009-012-013-017-019-020-024-025-011445- /O.EXT.PHFO.SU.Y.0049.000000T0000Z-171202T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-MOLOKAI WINDWARD-MOLOKAI LEEWARD-MAUI WINDWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-SOUTH BIG ISLAND- BIG ISLAND NORTH AND EAST- 340 PM HST THU NOV 30 2017 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM HST FRIDAY... * SURF...ALONG NORTH FACING SHORES OF THE SMALLER ISLANDS...18 TO 22 FEET TONIGHT...LOWERING 12 TO 16 FEET FRIDAY. ALONG WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI...8 TO 12 FT TONIGHT...LOWERING TO 5 TO 8 FEET FRIDAY. ALONG EAST FACING SHORES...5 TO 8 FEET. * TIMING...THROUGH EARLY FRIDAY MORNING FOR WEST FACING SHORES AND THROUGH FRIDAY AFTERNOON FOR NORTH AND EAST FACING SHORES. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT... DO NOT GO OUT. && $$ HIZ006-011445- /O.CON.PHFO.SU.Y.0049.000000T0000Z-171201T1600Z/ WAIANAE COAST- 340 PM HST THU NOV 30 2017 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST FRIDAY... * SURF...ALONG WEST FACING SHORES...8 TO 12 FT TONIGHT...LOWERING TO 5 TO 8 FEET FRIDAY. * TIMING...THROUGH EARLY FRIDAY MORNING. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT... DO NOT GO OUT. && $$
680 WHHW40 PHFO 011405 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 405 AM HST FRI DEC 1 2017 ...HIGH SURF ADVISORY IN EFFECT FOR NORTH FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND MAUI... ...HIGH SURF ADVISORY IN EFFECT FOR WEST FACING SHORES OF NIIHAU AND KAUAI... ...HIGH SURF ADVISORY IN EFFECT FOR EAST FACING SHORES OF KAUAI OAHU MOLOKAI MAUI AND THE BIG ISLAND... .DANGEROUS SURF WILL CONTINUE TODAY ALONG EXPOSED NORTH, WEST AND EAST FACING SHORES DUE TO A COMBINATION OF A LARGE NORTH-NORTHWEST SWELL AND STRONG TRADE WINDS. SURF ALONG EAST FACING SHORES WILL LIKELY REMAIN UP INTO THE WEEKEND AT ADVISORY LEVELS. SURF ALONG NORTH AND WEST FACING SHORES WILL SLOWLY TREND DOWN OVER THE WEEKEND. HIZ006-011515- /O.CAN.PHFO.SU.Y.0049.000000T0000Z-171201T1600Z/ WAIANAE COAST- 405 AM HST FRI DEC 1 2017 ...HIGH SURF ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS CANCELLED THE HIGH SURF ADVISORY. $$ HIZ001>003-007>009-012-013-017-019-020-024-025-020315- /O.CON.PHFO.SU.Y.0049.000000T0000Z-171202T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-MOLOKAI WINDWARD-MOLOKAI LEEWARD-MAUI WINDWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-SOUTH BIG ISLAND- BIG ISLAND NORTH AND EAST- 405 AM HST FRI DEC 1 2017 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING... * SURF...ALONG NORTH AND WEST FACING SHORES OF NIIHAU AND KAUAI AND NORTH FACING SHORES OF OAHU MOLOKAI AND MAUI...14 TO 18 FEET. ALONG EAST FACING SHORES...5 TO 8 FEET. * TIMING...THROUGH 6 PM HST THIS EVENING. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT... DO NOT GO OUT. && $$ GIBBS
099 WHHW40 PHFO 020139 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 339 PM HST FRI DEC 1 2017 ...HIGH SURF ADVISORY IN EFFECT FOR NORTH FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND MAUI... ...HIGH SURF ADVISORY IN EFFECT FOR WEST FACING SHORES OF NIIHAU AND KAUAI... ...HIGH SURF ADVISORY IN EFFECT FOR EAST FACING SHORES OF KAUAI OAHU MOLOKAI MAUI AND THE BIG ISLAND... .DANGEROUS SURF WILL CONTINUE TODAY ALONG EXPOSED NORTH, WEST AND EAST FACING SHORES DUE TO A COMBINATION OF A LARGE NORTH- NORTHWEST SWELL AND STRONG TRADE WINDS. SURF ALONG EAST FACING SHORES WILL LIKELY REMAIN UP INTO THE WEEKEND AT ADVISORY LEVELS. SURF ALONG NORTH AND WEST FACING SHORES WILL SLOWLY TREND DOWN OVER THE WEEKEND. HIZ001>003-007>009-012-013-017-019-020-024-025-021445- /O.EXT.PHFO.SU.Y.0049.000000T0000Z-171202T1600Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-MOLOKAI WINDWARD-MOLOKAI LEEWARD-MAUI WINDWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-SOUTH BIG ISLAND- BIG ISLAND NORTH AND EAST- 339 PM HST FRI DEC 1 2017 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 AM HST SATURDAY... * SURF...ALONG NORTH AND WEST FACING SHORES OF NIIHAU AND KAUAI AND NORTH FACING SHORES OF OAHU MOLOKAI AND MAUI...14 TO 18 FEET. ALONG EAST FACING SHORES...5 TO 8 FEET. * TIMING...THROUGH 6 AM HST SATURDAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$
860 WHHW40 PHFO 020201 CCA CFWHFO COASTAL HAZARD MESSAGE...CORRECTED NATIONAL WEATHER SERVICE HONOLULU HI 401 PM HST FRI DEC 1 2017 ...HIGH SURF ADVISORY IN EFFECT FOR NORTH FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND MAUI... ...HIGH SURF ADVISORY IN EFFECT FOR WEST FACING SHORES OF NIIHAU AND KAUAI... ...HIGH SURF ADVISORY IN EFFECT FOR EAST FACING SHORES OF KAUAI OAHU MOLOKAI MAUI AND THE BIG ISLAND... .DANGEROUS SURF WILL CONTINUE THROUGH TONIGHT ALONG EXPOSED NORTH, WEST AND EAST FACING SHORES DUE TO A COMBINATION OF A LARGE NORTH- NORTHWEST SWELL AND STRONG TRADE WINDS. SURF ALONG EAST FACING SHORES WILL LIKELY REMAIN UP INTO THE WEEKEND AT ADVISORY LEVELS. SURF ALONG NORTH AND WEST FACING SHORES WILL SLOWLY TREND DOWN OVER THE WEEKEND. HIZ001>003-007>009-012-013-017-019-020-024-025-021445- /O.EXT.PHFO.SU.Y.0049.000000T0000Z-171202T1600Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-MOLOKAI WINDWARD-MOLOKAI LEEWARD-MAUI WINDWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-SOUTH BIG ISLAND- BIG ISLAND NORTH AND EAST- 401 PM HST FRI DEC 1 2017 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 AM HST SATURDAY... * SURF...ALONG NORTH AND WEST FACING SHORES OF NIIHAU AND KAUAI AND NORTH FACING SHORES OF OAHU MOLOKAI AND MAUI...14 TO 18 FEET. ALONG EAST FACING SHORES...5 TO 8 FEET. * TIMING...THROUGH 6 AM HST SATURDAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... ALWAYS HEED LIFEGUARD ADVICE AND KNOW YOUR LIMITS. WHEN IN DOUBT...DO NOT GO OUT. && $$
404 WHHW40 PHFO 021333 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 333 AM HST SAT DEC 2 2017 HIZ001>003-007>009-012-013-017-019-020-024-025-021445- /O.CAN.PHFO.SU.Y.0049.000000T0000Z-171202T1600Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-MOLOKAI WINDWARD-MOLOKAI LEEWARD-MAUI WINDWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-SOUTH BIG ISLAND- BIG ISLAND NORTH AND EAST- 333 AM HST SAT DEC 2 2017 ...HIGH SURF ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS CANCELLED THE HIGH SURF ADVISORY. SURF ALONG NORTH AND EAST FACING SHORES HAS DROPPED BELOW HIGH SURF ADVISORY LEVELS. $$ GIBBS
What forecasters said that day
The local office's own words before this high surf advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Honolulu, HI wrote its last area forecast discussion before this high surf advisory went out at Nov 24, 9:51 AM HST, 5 hours 41 minutes earlier.
Area forecast discussion, Nov 24, 9:51 AM HST, 5 hours 41 minutes before
Area Forecast Discussion National Weather Service Honolulu HI 951 AM HST Fri Nov 24 2017 .SYNOPSIS... High pressure north of the State will keep breezy to windy trades over the islands through the Holiday weekend and into early next week. Passing showers will favor windward and mauka areas, with a few stray showers reaching leeward areas of the smaller islands under the robust trades. A wet trade wind weather pattern is expected to develop on Sunday and continue through much of next week, as deep tropical moisture spreads into the area from the southeast. The wettest conditions are expected over the eastern end of the island chain. && .DISCUSSION... Currently at the surface, a strong 1040 mb high is centered around 2000 miles north-northwest of Kauai. The pressure gradient remains tight across the island chain this morning, and is driving breezy to windy trades across the State. Infrared satellite imagery shows partly cloudy skies in most areas, with some more extensive cloud cover in some windward areas. Radar imagery shows scattered light showers rolling into windward areas on the robust trades, with a few of these showers making it into leeward areas from time to time. Main short term concerns focus on the rain chances and the strong trades over the next few days, with longer term concerns revolving around the potential for heavy rainfall for portions of the State much of next week. Today through Sunday, The strong high to the north-northwest of the State will drop southward through Saturday, then shift eastward along 34/35N Saturday night and Sunday. This will keep breezy to windy trades blowing across the island chain through the remainder of the Holiday weekend. The Wind Advisory has been expanded to include southeast sections of the Big Island, primarily locations to the south of Volcano where sustained winds are nearing 35 mph with gusts to 55 mph. The current Wind Advisory continues for Lanai and portions of the Big Island through tonight, and this will likely need to be extended through the remainder of the Holiday weekend. In fact, winds are forecast to strengthen further Saturday night and Sunday, so additional areas may need to be included in the Advisory later this weekend. The airmass over the islands will remain quite dry initially, with precipitable water values between 0.8 and 1.0 inches today. Under the persistent northeasterly trades, the airmass will slowly and steadily moisten up tonight through Sunday, and deep tropical moisture with a connection to the intertropical convergence zone is expected to lift northwestward and into the eastern end of the State during the day on Sunday. Clouds and showers will continue to favor windward and mauka areas through the period, with a few showers reaching leeward areas from time to time due to the strong trades. Shower coverage should increase each day through the period, with some heavy rainfall possible over the Big Island by late in the day Sunday. In fact some snow could begin to fall at the Big Island Summits as early as Sunday afternoon, and a winter storm watch will likely be required tonight or Saturday. Sunday night through Thursday, There remains some differences between the GFS and ECMWF with regard to moisture transport shifting northwestward into the State initially, but both models trend toward a wet trade wind pattern by mid to late next week. The GFS ensembles more closely supports the ECMWF solution, so will lean the forecast in its favor. Overall, deep tropical moisture is expected to remain over the eastern end of the State Sunday night through late next week, so it looks very wet here, and a Flash Flood Watch may eventually be needed. Across the smaller islands an old frontal band will be shifting southward and enhancing showers Sunday night through early next week, so it looks like a wetter than normal trade wind pattern here as well, but rainfall amounts are not expected to be as high. By the middle to latter part of next week, it appears that the entire State will get overspread by deep tropical moisture, along with the threat for heavy rainfall. Moderate to breezy trade winds are expected to prevail through the period, and may be locally windy at times. Additionally, with deep moisture in place over the Big Island through the entire period, some hefty snow amounts may occur over the summits, with accumulations likely measured in feet. && .AVIATION... Strong high pressure north of the state will continue to drive strong trade winds over the area for the next several days. AIRMET TANGO for tempo moderate low level turbulence is posted over and immediately south through west of the mountains across the island chain. Likewise, AIRMET TANGO for strong surface winds is also posted for Lanai, and the Kohala, Hamakua, Hilo, Puna, and Kau districts on the Big Island. Big Island terminals, especially PHKO are experiencing stronger NE winds than normal. Clouds and showers will favor the windward and mountain areas, however, strong winds will transport some showers to leeward areas. Most showers should remain brief and fast moving, with predominately VFR conditions. && .MARINE... The very large north swell continues to run higher than the models had indicated, so the High Surf Warning continues today for north and east facing shores. The strong winds are also producing high wind waves, contributing to hazardous conditions. The trend is down, and currently expecting surf to fall below warning levels by this evening, and then remain at advisory levels overnight. Will continue to monitor the buoys and surf reports today. The strong northeast trade winds will also bring increasing rough surf to east facing shores which will persist into the new week. The swell and strong winds will continue to bring large waves breaking in north facing harbor entrances and possibly surges in those harbors, so a Marine Weather Statement remains in effect. This current swell will slowly subside through tomorrow, before a new north swell arrives Sunday, which is expected to peak near advisory levels on Monday, and then subside through Tuesday. A northwest swell is expected next Wednesday. A Small Craft Advisory (SCA) is in effect through tomorrow morning for Big Island Windward waters and through Sunday evening for strong to near-gale force northeast trade winds and large seas due to a combination of large wind waves and the large north swell. Trade winds are expected to remain strong through the first half of next week, and a new north swell will keep the seas high, so the SCA will likely be extended further. See the latest Oahu Surf Discussion (SRDHFO) for additional details on surf and swell. && .HFO WATCHES/WARNINGS/ADVISORIES... High Surf Warning until 6 PM HST this evening for Niihau-Kauai Windward-Kauai Leeward-Oahu North Shore-Oahu Koolau-Olomana- Molokai-Maui Windward West-Maui Leeward West-Maui Central Valley- Windward Haleakala-Big Island North and East. Wind Advisory until 6 AM HST Saturday for Lanai-South Big Island- Big Island North and East-Kohala. Small Craft Advisory until 6 PM HST Sunday for Kauai Northwest Waters-Kauai Windward Waters-Kauai Leeward Waters-Kauai Channel- Oahu Windward Waters-Oahu Leeward Waters-Kaiwi Channel-Maui County Windward Waters-Maui County Leeward Waters-Maalaea Bay- Pailolo Channel-Alenuihaha Channel-Big Island Leeward Waters-Big Island Southeast Waters. Small Craft Advisory until 6 AM HST Saturday for Big Island Windward Waters. && DISCUSSION...Jelsema AVIATION...Eaton MARINE...M Ballard
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 24, 3:33 PM HST | Gale Watch | HFO | 24 hr |
Nearby
High Surf Advisories in Hawaii, 2017Every high surf advisory in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.