Alert archive / Hawaii / High Surf Advisories in 2016
High Surf Advisory 9, NWS Honolulu, HI
NWS Honolulu, HI issued this high surf advisory at Jan 24, 2016, 3:53 PM HST for 4 counties in Hawaii. It took effect at Jan 25, 2016, 12:00 AM HST. It was in force for 63 hr.
The area
The counties it named.
The facts
- Issued
- Jan 24, 2016, 3:53 PM HST (01:53 UTC)
- In effect from
- Jan 25, 2016, 12:00 AM HST
- Expired
- Jan 27, 2016, 3:26 PM HST
- In force
- 63 hr
- Issued by
- NWS Honolulu, HI
Counties Hawaii County, HI, Honolulu County, HI, Kalawao County, HI, Kauai County, HI
The radar
The Molokai radar (PHMO), 38 km from the middle of the area, began a volume at 01:54 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, 1.9 hours before the alert went out and 214 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
- 276 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 982 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted.
139 WHHW40 PHFO 250153 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 353 PM HST SUN JAN 24 2016 ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI...AND NORTH FACING SHORES OF MAUI... ...HIGH SURF ADVISORY FOR WEST FACING SHORES OF THE BIG ISLAND... .THOUGH SLOWER TO ARRIVE THAN EXPECTED...A VERY LARGE NORTHWEST SWELL WILL BUILD OVERNIGHT AND PEAK ON MONDAY ACROSS HAWAIIAN WATERS...PRODUCING DANGEROUS SURF. HIZ001>003-251500- /O.CON.PHFO.SU.W.0006.000000T0000Z-160126T1600Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD- 353 PM HST SUN JAN 24 2016 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 AM HST TUESDAY... * SURF...ALONG NORTH AND WEST FACING SHORES BUILDING TO 20 TO 30 FEET THIS EVENING AND INCREASING TO 30 TO 40 FEET LATE TONIGHT AND MONDAY. * TIMING...BUILDING THROUGH THE NIGHT AND CONTINUING THROUGH MONDAY NIGHT. * IMPACTS...VERY HIGH...EXPECT OCEAN WATER SURGING AND SWEEPING ACROSS BEACHES...COASTAL BENCHES...AND LAVA FLOWS CREATING THE POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND INFRASTRUCTURE...INCLUDING ROADWAYS. POWERFUL LONGSHORE AND RIP CURRENTS WILL BE PRESENT AT MOST BEACHES. LARGE BREAKING WAVES AND STRONG CURRENTS MAY IMPACT HARBOR ENTRANCES AND CHANNELS CAUSING CHALLENGING BOAT HANDLING. PRECAUTIONARY/PREPAREDNESS ACTIONS... LARGE BREAKING SURF...SIGNIFICANT SHOREBREAK...AND DANGEROUS CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH. BOATERS SHOULD BE AWARE OF AN INCREASED NUMBER OF SURFERS UTILIZING THE HARBOR CHANNEL TO ACCESS SURFING AREAS. && $$ HIZ006>008-012-013-017-019-020-251500- /O.CON.PHFO.SU.W.0006.000000T0000Z-160126T1600Z/ WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD- MOLOKAI LEEWARD-MAUI WINDWARD WEST-MAUI CENTRAL VALLEY- WINDWARD HALEAKALA- 353 PM HST SUN JAN 24 2016 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 AM HST TUESDAY... * SURF...ALONG NORTH FACING SHORES OF OAHU MOLOKAI AND MAUI... BUILDING TO 18 TO 25 FEET AROUND MIDNIGHT AND INCREASING TO 30 TO 40 FEET LATE TONIGHT AND MONDAY. ALONG WEST FACING SHORES OF OAHU AND MOLOKAI...BUILDING TO 12 TO 18 FEET BY MIDNIGHT AND INCREASING TO 18 TO 25 FEET TONIGHT AND MONDAY. * TIMING...BUILDING THIS AFTERNOON AND CONTINUING THROUGH MONDAY NIGHT. * IMPACTS...VERY HIGH...EXPECT OCEAN WATER SURGING AND SWEEPING ACROSS BEACHES...COASTAL BENCHES...AND LAVA FLOWS CREATING THE POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND INFRASTRUCTURE...INCLUDING ROADWAYS. POWERFUL LONGSHORE AND RIP CURRENTS WILL BE PRESENT AT MOST BEACHES. LARGE BREAKING WAVES AND STRONG CURRENTS MAY IMPACT HARBOR ENTRANCES AND CHANNELS CAUSING CHALLENGING BOAT HANDLING. PRECAUTIONARY/PREPAREDNESS ACTIONS... LARGE BREAKING SURF...SIGNIFICANT SHOREBREAK...AND DANGEROUS CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH. BOATERS SHOULD BE AWARE OF AN INCREASED NUMBER OF SURFERS UTILIZING THE HARBOR CHANNEL TO ACCESS SURFING AREAS. && $$ HIZ023-026-251500- /O.NEW.PHFO.SU.Y.0009.160125T1000Z-160126T1600Z/ KONA-KOHALA- 353 PM HST SUN JAN 24 2016 ...HIGH SURF ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM HST TUESDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM HST TUESDAY. * SURF...6 TO 10 FEET ALONG WEST FACING SHORES. * TIMING...BUILDING TONIGHT AND PEAKING ON MONDAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... BEACHGOERS...SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. KNOW YOUR LIMITS AND SEEK OCEAN RECREATION AREAS BEST SUITED FOR YOUR ABILITIES. && $$ WROE
8 follow-up statements
497 WHHW40 PHFO 251333 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 333 AM HST MON JAN 25 2016 ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI...AND NORTH FACING SHORES OF MAUI... ...HIGH SURF ADVISORY FOR WEST FACING SHORES OF THE BIG ISLAND... .A VERY LARGE NORTHWEST SWELL WILL BUILD THIS MORNING AND PEAK LATER TODAY ACROSS HAWAIIAN WATERS...PRODUCING DANGEROUS SURF ACROSS NORTH AND WEST FACING SHORES. HIZ001>003-260245- /O.CON.PHFO.SU.W.0006.000000T0000Z-160126T1600Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD- 333 AM HST MON JAN 25 2016 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 AM HST TUESDAY... * SURF...ALONG NORTH AND WEST FACING SHORES BUILDING TO 30 TO 40 FEET TODAY...THEN SLOWLY DECLINING TONIGHT. * TIMING...BUILDING THIS MORNING...PEAKING LATER TODAY THEN SLOWLY DECLINING TONIGHT. * IMPACTS...VERY HIGH...EXPECT OCEAN WATER SURGING AND SWEEPING ACROSS BEACHES...COASTAL BENCHES...AND LAVA FLOWS CREATING THE POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND INFRASTRUCTURE...INCLUDING ROADWAYS. POWERFUL LONGSHORE AND RIP CURRENTS WILL BE PRESENT AT MOST BEACHES. LARGE BREAKING WAVES AND STRONG CURRENTS MAY IMPACT HARBOR ENTRANCES AND CHANNELS CAUSING CHALLENGING BOAT HANDLING. PRECAUTIONARY/PREPAREDNESS ACTIONS... LARGE BREAKING SURF...SIGNIFICANT SHOREBREAK...AND DANGEROUS CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH. BOATERS SHOULD BE AWARE OF AN INCREASED NUMBER OF SURFERS UTILIZING THE HARBOR CHANNEL TO ACCESS SURFING AREAS. && $$ HIZ006>008-012-013-017-019-020-260245- /O.CON.PHFO.SU.W.0006.000000T0000Z-160126T1600Z/ WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD- MOLOKAI LEEWARD-MAUI WINDWARD WEST-MAUI CENTRAL VALLEY- WINDWARD HALEAKALA- 333 AM HST MON JAN 25 2016 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 AM HST TUESDAY... * SURF...ALONG NORTH FACING SHORES OF OAHU MOLOKAI AND MAUI... BUILDING TO 30 TO 40 FEET TODAY. ALONG WEST FACING SHORES OF OAHU AND MOLOKAI...BUILDING TO 18 TO 25 FEET TODAY. SURF SLOWLY DECLINING TONIGHT. * TIMING...BUILDING THIS MORNING...PEAKING LATER TODAY THEN SLOWLY DECLINING TONIGHT. * IMPACTS...VERY HIGH...EXPECT OCEAN WATER SURGING AND SWEEPING ACROSS BEACHES...COASTAL BENCHES...AND LAVA FLOWS CREATING THE POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND INFRASTRUCTURE...INCLUDING ROADWAYS. POWERFUL LONGSHORE AND RIP CURRENTS WILL BE PRESENT AT MOST BEACHES. LARGE BREAKING WAVES AND STRONG CURRENTS MAY IMPACT HARBOR ENTRANCES AND CHANNELS CAUSING CHALLENGING BOAT HANDLING. PRECAUTIONARY/PREPAREDNESS ACTIONS... LARGE BREAKING SURF...SIGNIFICANT SHOREBREAK...AND DANGEROUS CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH. BOATERS SHOULD BE AWARE OF AN INCREASED NUMBER OF SURFERS UTILIZING THE HARBOR CHANNEL TO ACCESS SURFING AREAS. && $$ HIZ023-026-260245- /O.CON.PHFO.SU.Y.0009.000000T0000Z-160126T1600Z/ KONA-KOHALA- 333 AM HST MON JAN 25 2016 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST TUESDAY... * SURF...BUILDING TO 6 TO 10 FEET ALONG WEST FACING SHORES TODAY AND CONTINUING TONIGHT. * TIMING...BUILDING TODAY AND CONTINUING TONIGHT. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... BEACHGOERS...SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. KNOW YOUR LIMITS AND SEEK OCEAN RECREATION AREAS BEST SUITED FOR YOUR ABILITIES. && $$ JACOBSON
315 WHHW40 PHFO 260134 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 334 PM HST MON JAN 25 2016 ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI...AND NORTH FACING SHORES OF MAUI... ...HIGH SURF ADVISORY FOR WEST FACING SHORES OF THE BIG ISLAND... .A LARGE NORTHWEST SWELL WILL CONTINUE TO PRODUCE DANGEROUS SURF ACROSS NORTH AND WEST FACING SHORES. HIZ001>003-261445- /O.CON.PHFO.SU.W.0006.000000T0000Z-160126T1600Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD- 334 PM HST MON JAN 25 2016 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 AM HST TUESDAY... * SURF...20 TO 30 FEET ALONG NORTH AND WEST FACING SHORES. * TIMING...THROUGH TONIGHT. * IMPACTS...VERY HIGH...EXPECT OCEAN WATER SURGING AND SWEEPING ACROSS BEACHES...COASTAL BENCHES...AND LAVA FLOWS CREATING THE POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND INFRASTRUCTURE...INCLUDING ROADWAYS. POWERFUL LONGSHORE AND RIP CURRENTS WILL BE PRESENT AT MOST BEACHES. LARGE BREAKING WAVES AND STRONG CURRENTS MAY IMPACT HARBOR ENTRANCES AND CHANNELS CAUSING CHALLENGING BOAT HANDLING. PRECAUTIONARY/PREPAREDNESS ACTIONS... LARGE BREAKING SURF... SIGNIFICANT SHOREBREAK...AND DANGEROUS CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH. BOATERS SHOULD BE AWARE OF AN INCREASED NUMBER OF SURFERS UTILIZING THE HARBOR CHANNEL TO ACCESS SURFING AREAS. && $$ HIZ006>008-012-013-017-019-020-261445- /O.CON.PHFO.SU.W.0006.000000T0000Z-160126T1600Z/ WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD- MOLOKAI LEEWARD-MAUI WINDWARD WEST-MAUI CENTRAL VALLEY- WINDWARD HALEAKALA- 334 PM HST MON JAN 25 2016 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 AM HST TUESDAY... * SURF...20 TO 30 FEET ALONG NORTH FACING SHORES. 15 TO 20 FEET ALONG WEST FACING SHORES. * TIMING...THROUGH TONIGHT. * IMPACTS...VERY HIGH...EXPECT OCEAN WATER SURGING AND SWEEPING ACROSS BEACHES...COASTAL BENCHES...AND LAVA FLOWS CREATING THE POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND INFRASTRUCTURE...INCLUDING ROADWAYS. POWERFUL LONGSHORE AND RIP CURRENTS WILL BE PRESENT AT MOST BEACHES. LARGE BREAKING WAVES AND STRONG CURRENTS MAY IMPACT HARBOR ENTRANCES AND CHANNELS CAUSING CHALLENGING BOAT HANDLING. PRECAUTIONARY/PREPAREDNESS ACTIONS... LARGE BREAKING SURF... SIGNIFICANT SHOREBREAK...AND DANGEROUS CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH. BOATERS SHOULD BE AWARE OF AN INCREASED NUMBER OF SURFERS UTILIZING THE HARBOR CHANNEL TO ACCESS SURFING AREAS. && $$ HIZ023-026-261445- /O.CON.PHFO.SU.Y.0009.000000T0000Z-160126T1600Z/ KONA-KOHALA- 334 PM HST MON JAN 25 2016 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST TUESDAY... * SURF...6 TO 10 FEET ALONG WEST FACING SHORES. * 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... BEACHGOERS...SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. KNOW YOUR LIMITS AND SEEK OCEAN RECREATION AREAS BEST SUITED FOR YOUR ABILITIES. && $$ BURKE
061 WHHW40 PHFO 261339 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 339 AM HST TUE JAN 26 2016 ...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI...AND NORTH FACING SHORES OF MAUI... ...HIGH SURF ADVISORY FOR WEST FACING SHORES OF THE BIG ISLAND... .NORTHWEST SWELL WILL DECLINE TODAY...BUT WILL CONTINUE TO PRODUCE ELEVATED SURF ACROSS NORTH AND WEST FACING SHORES. ANOTHER VERY LARGE NORTHWEST SWELL WILL ARRIVE LATE TONIGHT INTO WEDNESDAY... PUSHING SURF ABOVE WARNING LEVELS ONCE AGAIN. HIZ001>003-270245- /O.CAN.PHFO.SU.W.0006.000000T0000Z-160126T1600Z/ /O.EXB.PHFO.SU.Y.0009.000000T0000Z-160127T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD- 339 AM HST TUE JAN 26 2016 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST THIS EVENING... ...HIGH SURF WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM HST THIS EVENING. THE HIGH SURF WARNING HAS BEEN CANCELLED. * SURF...ALONG NORTH FACING SHORES...18 TO 24 FEET THIS MORNING...DECREASING TO 12 TO 16 FEET THIS AFTERNOON. ALONG WEST FACING SHORES...14 TO 18 FEET THIS MORNING...DECREASING TO 10 TO 14 FEET THIS AFTERNOON. SURF WILL INCREASE ABOVE WARNING LEVELS ONCE AGAIN ON WEDNESDAY. * TIMING...THROUGH TODAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... BEACHGOERS...SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. BOATERS SHOULD EXPECT RECREATIONAL SURFERS AND BODY BOARDERS UTILIZING HARBOR CHANNELS TO ACCESS SURFING AREAS. && $$ HIZ006>008-012-013-017-019-020-270245- /O.CAN.PHFO.SU.W.0006.000000T0000Z-160126T1600Z/ /O.EXB.PHFO.SU.Y.0009.000000T0000Z-160127T0400Z/ WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD- MOLOKAI LEEWARD-MAUI WINDWARD WEST-MAUI CENTRAL VALLEY- WINDWARD HALEAKALA- 339 AM HST TUE JAN 26 2016 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST THIS EVENING... ...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 THIS EVENING. THE HIGH SURF WARNING HAS BEEN CANCELLED. * SURF...ALONG NORTH FACING SHORES OF OAHU MOLOKAI AND MAUI...18 TO 24 FEET THIS MORNING...DECREASING TO 12 TO 16 FEET THIS AFTERNOON. ALONG WEST FACING SHORES OF OAHU AND MOLOKAI...12 TO 16 FEET THIS MORNING...DECREASING TO 8 TO 12 FEET THIS AFTERNOON. SURF WILL INCREASE ABOVE WARNING LEVELS ONCE AGAIN ON WEDNESDAY. * TIMING...THROUGH TODAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... BEACHGOERS...SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. KNOW YOUR LIMITS AND SEEK OCEAN RECREATION AREAS BEST SUITED FOR YOUR ABILITIES. && $$ HIZ023-026-270245- /O.EXT.PHFO.SU.Y.0009.000000T0000Z-160127T0400Z/ KONA-KOHALA- 339 AM HST TUE JAN 26 2016 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM HST THIS EVENING... * SURF...6 TO 10 FEET ALONG WEST FACING SHORES. * TIMING...THROUGH TODAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... BEACHGOERS...SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. KNOW YOUR LIMITS AND SEEK OCEAN RECREATION AREAS BEST SUITED FOR YOUR ABILITIES. && $$ JACOBSON
986 WHHW40 PHFO 270135 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 335 PM HST TUE JAN 26 2016 ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI...AND NORTH FACING SHORES OF MAUI... ...HIGH SURF ADVISORY FOR WEST FACING SHORES OF THE BIG ISLAND... .THE CURRENT NORTHWEST WILL LOWER GRADUALLY OVERNIGHT. HOWEVER A NEW LARGE NORTHWEST SWELL WILL ARRIVE LATER TONIGHT AND WEDNESDAY PRODUCING LARGE AND DANGEROUS SURF. HIZ001>003-006>008-012-013-017-019-020-271445- /O.UPG.PHFO.SU.Y.0009.000000T0000Z-160127T0400Z/ /O.NEW.PHFO.SU.W.0007.160127T0200Z-160129T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST- OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD- MAUI WINDWARD WEST-MAUI CENTRAL VALLEY-WINDWARD HALEAKALA- 335 PM HST TUE JAN 26 2016 ...HIGH SURF WARNING IN EFFECT UNTIL 6 PM HST THURSDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF WARNING...WHICH IS IN EFFECT UNTIL 6 PM HST THURSDAY. THE HIGH SURF ADVISORY IS NO LONGER IN EFFECT. * SURF...ALONG NORTH AND WEST FACING SHORES OF NIIHAU AND KAUAI AND NORTH FACING SHORES OF OAHU MOLOKAI AND MAUI...12 TO 16 FEET OVERNIGHT...RISING TO 35 TO 45 FEET BY LATE WEDNESDAY. ALONG WEST FACING SHORES OF OAHU AND MOLOKAI...8 TO 12 FEET OVERNIGHT...RISING TO 20 TO 30 FEET BY LATE WEDNESDAY. * TIMING...THROUGH THURSDAY AFTERNOON. * IMPACTS...VERY HIGH...EXPECT OCEAN WATER SURGING AND SWEEPING ACROSS BEACHES...COASTAL BENCHES...AND LAVA FLOWS CREATING THE POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND INFRASTRUCTURE...INCLUDING ROADWAYS. POWERFUL LONGSHORE AND RIP CURRENTS WILL BE PRESENT AT MOST BEACHES. LARGE BREAKING WAVES AND STRONG CURRENTS MAY IMPACT HARBOR ENTRANCES AND CHANNELS CAUSING CHALLENGING BOAT HANDLING. PRECAUTIONARY/PREPAREDNESS ACTIONS...THESE DANGEROUS CONDITIONS MEAN THAT ONLY HIGHLY EXPERIENCED PERSONS SHOULD ENTER THE WATER. INEXPERIENCED PERSONS SHOULD REMAIN OFF BEACHES AND ADJACENT BEACHFRONT AREAS. LARGE BREAKING SURF...SIGNIFICANT SHOREBREAK...AND DANGEROUS CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH. && $$ HIZ023-026-271445- /O.EXT.PHFO.SU.Y.0009.000000T0000Z-160129T0400Z/ KONA-KOHALA- 335 PM HST TUE JAN 26 2016 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM HST THURSDAY... * SURF...6 TO 9 FEET ALONG WEST FACING SHORES. * TIMING...THROUGH THURSDAY AFTERNOON. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... BEACHGOERS...SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. KNOW YOUR LIMITS AND SEEK OCEAN RECREATION AREAS BEST SUITED FOR YOUR ABILITIES. && $$ BURKE
502 WHHW40 PHFO 271317 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 317 AM HST WED JAN 27 2016 ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI...AND NORTH FACING SHORES OF MAUI... ...HIGH SURF ADVISORY FOR WEST FACING SHORES OF THE BIG ISLAND... .ANOTHER VERY LARGE NORTHWEST SWELL IS ON THE WAY AND WILL BE PRODUCING VERY LARGE AND DANGEROUS SURF TODAY AND TONIGHT. HIZ001>003-006>008-012-013-017-019-020-272130- /O.CON.PHFO.SU.W.0007.000000T0000Z-160129T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST- OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD- MAUI WINDWARD WEST-MAUI CENTRAL VALLEY-WINDWARD HALEAKALA- 317 AM HST WED JAN 27 2016 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 PM HST THURSDAY... * SURF...ALONG NORTH AND WEST FACING SHORES OF NIIHAU AND KAUAI AND NORTH FACING SHORES OF OAHU MOLOKAI AND MAUI...RISING SURF TO 35 TO 45 FEET THIS AFTERNOON. ALONG WEST FACING SHORES OF OAHU AND MOLOKAI...RISING TO 20 TO 30 FEET THIS AFTERNOON. * TIMING...THROUGH THURSDAY AFTERNOON. * IMPACTS...VERY HIGH...EXPECT OCEAN WATER SURGING AND SWEEPING ACROSS BEACHES...COASTAL BENCHES...AND LAVA FLOWS CREATING THE POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND INFRASTRUCTURE...INCLUDING ROADWAYS. POWERFUL LONGSHORE AND RIP CURRENTS WILL BE PRESENT AT MOST BEACHES. LARGE BREAKING WAVES AND STRONG CURRENTS MAY IMPACT HARBOR ENTRANCES AND CHANNELS CAUSING CHALLENGING BOAT HANDLING. PRECAUTIONARY/PREPAREDNESS ACTIONS...THESE DANGEROUS CONDITIONS MEAN THAT ONLY HIGHLY EXPERIENCED PERSONS SHOULD ENTER THE WATER. INEXPERIENCED PERSONS SHOULD REMAIN OFF BEACHES AND ADJACENT BEACHFRONT AREAS. LARGE BREAKING SURF...SIGNIFICANT SHOREBREAK... AND DANGEROUS CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH. && $$ HIZ023-026-272130- /O.CON.PHFO.SU.Y.0009.000000T0000Z-160129T0400Z/ KONA-KOHALA- 317 AM HST WED JAN 27 2016 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THURSDAY... * SURF...6 TO 9 FEET ALONG WEST FACING SHORES. * TIMING...THROUGH THURSDAY AFTERNOON. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... BEACHGOERS...SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. KNOW YOUR LIMITS AND SEEK OCEAN RECREATION AREAS BEST SUITED FOR YOUR ABILITIES. && $$
250 WHHW40 PHFO 272121 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 1121 AM HST WED JAN 27 2016 ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI...AND NORTH FACING SHORES OF MAUI... ...HIGH SURF ADVISORY FOR WEST FACING SHORES OF THE BIG ISLAND... .A VERY LARGE NORTHWEST SWELL IS ON THE WAY AND WILL BE PRODUCING VERY LARGE AND DANGEROUS SURF TODAY AND TONIGHT. HIZ001>003-006>008-012-013-017-019-020-281030- /O.CON.PHFO.SU.W.0007.000000T0000Z-160129T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST- OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD- MAUI WINDWARD WEST-MAUI CENTRAL VALLEY-WINDWARD HALEAKALA- 1121 AM HST WED JAN 27 2016 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 PM HST THURSDAY... * SURF...ALONG NORTH AND WEST FACING SHORES OF NIIHAU AND KAUAI...40 TO 50 FEET. NORTH FACING SHORES OF OAHU MOLOKAI AND MAUI...RISING SURF TO 35 TO 45 FEET THIS AFTERNOON. ALONG WEST FACING SHORES OF OAHU AND MOLOKAI...RISING TO 20 TO 30 FEET THIS AFTERNOON. * TIMING...THROUGH THURSDAY AFTERNOON. * IMPACTS...VERY HIGH TO EXTREME...EXPECT OCEAN WATER SURGING AND SWEEPING ACROSS BEACHES...COASTAL BENCHES...AND ROADWAYS CREATING THE POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND INFRASTRUCTURE...INCLUDING ROADWAYS. POWERFUL LONGSHORE AND RIP CURRENTS WILL BE PRESENT AT MOST BEACHES. LARGE BREAKING WAVES AND STRONG CURRENTS MAY IMPACT HARBOR ENTRANCES AND CHANNELS CAUSING CHALLENGING BOAT HANDLING...AS WELL AS THE POSSIBILITY FOR SIGNIFICANT DAMAGE TO DOCKS...PIERS...RAMPS AND BOATS. PRECAUTIONARY/PREPAREDNESS ACTIONS... KAUAI AND NIIHAU...DUE TO POTENTIAL HAZARDS AND EMERGENCY VEHICLE OPERATIONS...TRAVEL IS COASTAL AREAS AND OCEAN RECREATION SHOULD BE AVOIDED. OAHU MOLOKAI AND MAUI...THESE DANGEROUS CONDITIONS MEAN THAT ONLY HIGHLY EXPERIENCED PERSONS SHOULD ENTER THE WATER. INEXPERIENCED PERSONS SHOULD REMAIN OFF BEACHES AND ADJACENT BEACHFRONT AREAS. LARGE BREAKING SURF...SIGNIFICANT SHOREBREAK...AND DANGEROUS CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH. && $$ HIZ023-026-281030- /O.CON.PHFO.SU.Y.0009.000000T0000Z-160129T0400Z/ KONA-KOHALA- 1121 AM HST WED JAN 27 2016 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THURSDAY... * SURF...6 TO 9 FEET ALONG WEST FACING SHORES. * TIMING...THROUGH THURSDAY AFTERNOON. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... BEACHGOERS...SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. KNOW YOUR LIMITS AND SEEK OCEAN RECREATION AREAS BEST SUITED FOR YOUR ABILITIES. && $$ FOSTER
942 WHHW40 PHFO 272121 CCA CFWHFO COASTAL HAZARD MESSAGE...CORRECTED NATIONAL WEATHER SERVICE HONOLULU HI 1121 AM HST WED JAN 27 2016 ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI...AND NORTH FACING SHORES OF MAUI... ...HIGH SURF ADVISORY FOR WEST FACING SHORES OF THE BIG ISLAND... .A VERY LARGE NORTHWEST SWELL IS ON THE WAY AND WILL BE PRODUCING VERY LARGE AND DANGEROUS SURF TODAY AND TONIGHT. HIZ001>003-006>008-012-013-017-019-020-281030- /O.COR.PHFO.SU.W.0007.000000T0000Z-160129T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST- OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD- MAUI WINDWARD WEST-MAUI CENTRAL VALLEY-WINDWARD HALEAKALA- 1121 AM HST WED JAN 27 2016 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 PM HST THURSDAY... * SURF...ALONG NORTH AND WEST FACING SHORES OF NIIHAU AND KAUAI...40 TO 50 FEET. NORTH FACING SHORES OF OAHU MOLOKAI AND MAUI...RISING SURF TO 35 TO 45 FEET THIS AFTERNOON. ALONG WEST FACING SHORES OF OAHU AND MOLOKAI...RISING TO 20 TO 30 FEET THIS AFTERNOON. * TIMING...THROUGH THURSDAY AFTERNOON. * IMPACTS...VERY HIGH TO EXTREME...EXPECT OCEAN WATER SURGING AND SWEEPING ACROSS BEACHES...COASTAL BENCHES...AND ROADWAYS CREATING THE POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND INFRASTRUCTURE...INCLUDING ROADWAYS. POWERFUL LONGSHORE AND RIP CURRENTS WILL BE PRESENT AT MOST BEACHES. LARGE BREAKING WAVES AND STRONG CURRENTS MAY IMPACT HARBOR ENTRANCES AND CHANNELS CAUSING CHALLENGING BOAT HANDLING...AS WELL AS THE POSSIBILITY FOR SIGNIFICANT DAMAGE TO DOCKS...PIERS...RAMPS AND BOATS. PRECAUTIONARY/PREPAREDNESS ACTIONS... KAUAI AND NIIHAU...DUE TO POTENTIAL HAZARDS AND EMERGENCY VEHICLE OPERATIONS...TRAVEL TO COASTAL AREAS AND OCEAN RECREATION SHOULD BE AVOIDED. OAHU MOLOKAI AND MAUI...THESE DANGEROUS CONDITIONS MEAN THAT ONLY HIGHLY EXPERIENCED PERSONS SHOULD ENTER THE WATER. INEXPERIENCED PERSONS SHOULD REMAIN OFF BEACHES AND ADJACENT BEACHFRONT AREAS. LARGE BREAKING SURF...SIGNIFICANT SHOREBREAK...AND DANGEROUS CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH. && $$ HIZ023-026-281030- /O.CON.PHFO.SU.Y.0009.000000T0000Z-160129T0400Z/ KONA-KOHALA- 1121 AM HST WED JAN 27 2016 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THURSDAY... * SURF...6 TO 9 FEET ALONG WEST FACING SHORES. * TIMING...THROUGH THURSDAY AFTERNOON. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... BEACHGOERS...SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. KNOW YOUR LIMITS AND SEEK OCEAN RECREATION AREAS BEST SUITED FOR YOUR ABILITIES. && $$ FOSTER
979 WHHW40 PHFO 280126 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 326 PM HST WED JAN 27 2016 ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI...FOR NORTH FACING SHORES OF MAUI AND FOR WEST FACING SHORES OF BIG ISLAND... .THE CURRENT NORTHWEST SWELL WILL PRODUCE VERY LARGE AND DANGEROUS SURF THROUGH THURSDAY. HIZ023-026-281430- /O.UPG.PHFO.SU.Y.0009.000000T0000Z-160129T0400Z/ /O.EXA.PHFO.SU.W.0007.000000T0000Z-160129T0400Z/ KONA-KOHALA- 326 PM HST WED JAN 27 2016 ...HIGH SURF WARNING IN EFFECT UNTIL 6 PM HST THURSDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF WARNING...WHICH IS IN EFFECT UNTIL 6 PM HST THURSDAY. THE HIGH SURF ADVISORY IS NO LONGER IN EFFECT. * SURF...8 TO 12 FEET ALONG WEST FACING SHORES OF BIG ISLAND. * 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... BEACHGOERS...SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. KNOW YOUR LIMITS AND SEEK OCEAN RECREATION AREAS BEST SUITED FOR YOUR ABILITIES. && $$ HIZ001>003-006>008-012-013-017-019-020-281430- /O.CON.PHFO.SU.W.0007.000000T0000Z-160129T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST- OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD- MAUI WINDWARD WEST-MAUI CENTRAL VALLEY-WINDWARD HALEAKALA- 326 PM HST WED JAN 27 2016 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 PM HST THURSDAY... * SURF...ALONG NORTH AND WEST FACING SHORES OF NIIHAU AND KAUAI...40 TO 50 FEET TONIGHT...LOWERING TO 15 TO 25 FEET THURSDAY. ALONG NORTH FACING SHORES OF OAHU MOLOKAI AND MAUI...35 TO 45 FEET TONIGHT...LOWERING TO 15 TO 25 FEET THURSDAY. ALONG WEST FACING SHORES OF OAHU AND MOLOKAI...20 TO 30 FEET TONIGHT...LOWERING TO 16 TO 24 FEET THURSDAY. * TIMING...THROUGH THURSDAY AFTERNOON. * IMPACTS...VERY HIGH TO EXTREME...EXPECT OCEAN WATER SURGING AND SWEEPING ACROSS BEACHES...COASTAL BENCHES...AND ROADWAYS CREATING THE POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND INFRASTRUCTURE...INCLUDING ROADWAYS. POWERFUL LONGSHORE AND RIP CURRENTS WILL BE PRESENT AT MOST BEACHES. LARGE BREAKING WAVES AND STRONG CURRENTS MAY IMPACT HARBOR ENTRANCES AND CHANNELS CAUSING CHALLENGING BOAT HANDLING...AS WELL AS THE POSSIBILITY FOR SIGNIFICANT DAMAGE TO DOCKS...PIERS...RAMPS AND BOATS. PRECAUTIONARY/PREPAREDNESS ACTIONS... KAUAI AND NIIHAU...DUE TO POTENTIAL HAZARDS AND EMERGENCY VEHICLE OPERATIONS...TRAVEL TO COASTAL AREAS AND OCEAN RECREATION SHOULD BE AVOIDED. OAHU MOLOKAI AND MAUI...THESE DANGEROUS CONDITIONS MEAN THAT ONLY HIGHLY EXPERIENCED PERSONS SHOULD ENTER THE WATER. INEXPERIENCED PERSONS SHOULD REMAIN OFF BEACHES AND ADJACENT BEACHFRONT AREAS. LARGE BREAKING SURF...SIGNIFICANT SHOREBREAK...AND DANGEROUS CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH. && $$ FOSTER
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 Jan 24, 10:04 AM HST, 5 hours 49 minutes earlier.
Area forecast discussion, Jan 24, 10:04 AM HST, 5 hours 49 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HONOLULU HI 1004 AM HST SUN JAN 24 2016 .SYNOPSIS... DRY...STABLE...AND HAZY CONDITIONS WITH LIGHT WINDS WILL DOMINATE OVER MOST OF STATE TODAY...THOUGH SOUTHWESTERLY WINDS WILL INCREASE NEAR KAUAI DURING THE AFTERNOON AHEAD OF AN APPROACHING FRONT. THE FRONT WILL PRODUCE MODEST SHOWERS ACROSS NORTH AND NORTHEAST FACING SLOPES FROM KAUAI TO MOLOKAI TONIGHT...THEN POSSIBLY TO THE REST OF THE STATE ON MONDAY. A SURFACE RIDGE WILL QUICKLY REDEVELOP OVER THE ISLANDS ON TUESDAY...CREATING A STABLE AND RATHER DRY LAND AND SEA BREEZE PATTERN THROUGH MUCH OF THE WORK WEEK. ANOTHER WEAK FRONT WILL STALL NEAR THE NORTHERN END OF THE ISLAND CHAIN FRIDAY AND SATURDAY. && .DISCUSSION... TODAY THROUGH MONDAY... EXPECT DRY...STABLE...AND HAZY CONDITIONS TO PREVAIL TODAY AS A SURFACE RIDGE CUTS ACROSS THE CENTRAL PORTION OF THE STATE AND A WEAK FRONT APPROACHES FROM THE NORTHWEST. WEAK TRADES NEAR THE BIG ISLAND WILL BE BREAKING DOWN QUICKLY THIS MORNING...BUT COULD PROVIDE AN ISOLATED SHOWER TO WINDWARD AND SOUTHEAST SLOPES...WHILE A FIELD OF THIN LOW CLOUDS NEAR KAUAI AND OAHU WILL BURN OFF QUICKLY. AS A RESULT...EXPECT A DRY CONVECTIVE PATTERN WITH AFTERNOON SEA BREEZES PRODUCING SOME CLOUDS AND A SLIGHT CHANCE OF A SHOWER OVER ISLAND TERRAIN. VOLCANIC HAZE WILL LINGER...THOUGH SOME CLEARING IS POSSIBLE ON KAUAI LATER IN THE DAY AS SOUTHWESTERLY WINDS INCREASE AHEAD OF THE FRONT. THE FRONT IS LOOKING UNIMPRESSIVE ON SATELLITE IMAGERY THIS MORNING. THERE WAS ALREADY A WIND SHIFT AND A BRIEF DROP IN THE TEMPERATURE AT BUOY 51101...LOCATED ROUGHLY 200 MILES NORTHWEST OF KAUAI...AS A PREFRONTAL BAND PASSED OVERHEAD. CLOUD COVER DIMINISHED DURING THE OVERNIGHT HOURS ALONG THE MAIN FRONT...WHICH LAGS TO THE WEST. RECENT SATELLITE DATA SUGGEST PRECIPITABLE WATER REMAINS AROUND 1.25 INCHES IN THE VICINITY OF THE FRONT...WHICH IS ONLY ABOUT 10 TO 20 PERCENT HIGHER THAN THE SEASON AVERAGE FOR THIS REGION. THE GFS AND ECMWF KEEP MOISTURE ALONG THE FRONT INTACT...MAINLY BELOW 10000 FT TONIGHT. THIS SHOULD PRODUCE MODEST SHOWERS ALONG NORTH AND NORTHEAST FACING SLOPES OF KAUAI DURING THE EVENING THEN TO OAHU AND POSSIBLY MOLOKAI AFTER MIDNIGHT. CHANCES FOR RAINFALL REMAIN EXTREMELY LOW ACROSS LEEWARD SECTIONS AND ACROSS THE REST OF THE STATE. MODERATE NORTHERLY WINDS WILL PUSH IN BEHIND THE FRONT BUT WILL BE SHORT-LIVED. THE MAIN WIND IMPACTS WILL BE SEEN ON THE HIGH SUMMITS OF THE BIG ISLAND...WHERE NORTHWEST TO NORTH WINDS WILL REACH ADVISORY STRENGTH AFTER MIDNIGHT AND COULD EDGE UP TO WARNING LEVELS BY SUN RISE. THE FRONT FALL APART ON MONDAY...AND WINDS WILL RAPIDLY DIMINISH AS A SURFACE RIDGE BUILDS IN FROM THE WEST. THE GFS AND ECMWF ARE SHOWING SOME DIFFERENCES IN JUST HOW FAR THE MOISTURE WILL REACH... WITH THE GFS PUSHING IT DOWN TO THE BIG ISLAND AND THE ECMWF HANGING IT BACK OVER THE CENTRAL ISLANDS. EITHER WAY...ANY CONTINUED RAINFALL WOULD BE LIGHT AND CONDITIONS WILL BE STABLE AS BUILDING RIDGING ALOFT WILL DOMINATE. WE WILL TAKE A CLOSER LOOK AT IT TODAY. BIG ISLAND SUMMIT WINDS WILL ALSO BE ON A DECLINE IN THE AFTERNOON AS THE UPPER LEVEL TROUGH DRIVING THE FRONT QUICKLY DEPARTS TO THE EAST. MONDAY NIGHT THROUGH SATURDAY... HIGH PRESSURE WILL BECOME QUICKLY RE-ESTABLISHED ACROSS THE STATE IN THE WAKE OF THE DISSIPATED FRONT MONDAY NIGHT...WITH LIGHT WINDS AND RATHER DRY CONDITIONS EXPECTED THOUGH MUCH OF THE WEEK. THE 00Z GFS AND 00Z ECMWF DIFFER WITH RESPECT TO AN APPROACHING FRONT LATE IN THE WEEK. THE GFS SHOWS A WEAKENING/DISSIPATING FRONT MOVING INTO KAUAI ON FRIDAY. THE ECMWF ON THE OTHER HAND...SHOWS THE WEAKENING OR DISSIPATING FRONT REACHING KAUAI NEXT SATURDAY. DESPITE TIMING DIFFERENCES...BOTH OF THE SOLUTIONS INDICATE THAT THE FRONT WILL BE LACKING MOISTURE AS IT MOVES INTO THE WESTERN ISLANDS. AS A RESULT...WILL KEEP WITH PERSISTENCE WHICH RESULTS IN A CONTINUATION OF LIGHT WINDS AND RATHER DRY CONDITIONS. OF NOTE NEXT WEEK HOWEVER...VOLCANIC HAZE MAY IMPACT MUCH OF THE ISLAND CHAIN AGAIN WEDNESDAY THROUGH FRIDAY AS BOUNDARY LAYER FLOW OUT OF THE SOUTHEAST WILL BE FAVORABLE FOR SPREADING VOLCANIC EMISSIONS NORTHWESTWARD OVER THE SMALLER ISLANDS. && .AVIATION... PATCHY LAYERS OF STRATOCUMULUS THIS MORNING WILL GIVE WAY TO LOW TOPPED CUMULUS CLUSTERED OVER ISLANDS INTERIORS IN THE AFTERNOON. ISOLATED MVFR CEILINGS EXPECTED IN PASSING SHOWERS...OTHERWISE VFR CONDITIONS WILL PREVAIL ALL AREAS. TONIGHT...LAYERED VFR CLOUDS...ALONG AND IN ADVANCE OF THE APPROACHING FRONT...WILL SPREAD OVER KAUAI EARLY THIS EVENING... REACH OAHU TOWARDS MIDNIGHT...AND MAUI COUNTY TOWARDS MORNING. MINIMAL PRECIPITATION EXPECTED WITH THIS FEATURE. ELSEWHERE OVERNIGHT...EXPECT A GENERAL CLEARING TREND AS SEA BREEZES ABATE AND WEAK LAND BREEZES ENCOURAGE OFFSHORE FLOW. UPPER LEVEL WINDS ARE EXPECTED TO INCREASE SIGNIFICANTLY LATER TODAY AND THIS EVENING...WHICH COULD REQUIRE AN AIRMET TANGO FOR UPPER LEVEL TURBULENCE. && .MARINE... THE MAIN STORY CONTINUES TO BE A PAIR OF EXPECTED VERY LARGE SWELLS. THE LATEST SWELL IS RUNNING CONSIDERABLY LATE AS BUOY 51101 IS RUNNING 3 FEET BELOW THE WAVEWATCH FORECAST SINCE MIDNIGHT. AN ALTIMETER PASS FROM AROUND MIDNIGHT NEAR AND NORTH OF KAUAI CONFIRMED THE WAVEWATCH OVERESTIMATE...BUT ANOTHER PASS ON THE WESTERN EDGE OF THE SWELL ENERGY VERIFIED THE WAVEWATCH PREDICTION. WITH SWELLS TENDING TO ARRIVE LATER THAN EXPECTED SO FAR THIS WINTER...WE HAVE DECIDED TO PUSH BACK THE ARRIVAL TIME OF THE PEAK SWELL HEIGHTS TO TONIGHT AND MONDAY BUT HAVE KEPT THE FORECASTED PEAK SURF VALUES UNCHANGED. THE HIGH SURF WARNING FOR THIS EVENT COVERS MOST NORTH AND WEST FACING SHORES FROM KAUAI AND TO MAUI...AND WE WILL LIKELY BE ISSUING A HIGH SURF ADVISORY OR WARNING FOR THE WEST FACING SHORES OF THE BIG ISLAND LATER TODAY. A SMALL CRAFT ADVISORY /SCA/ FOR SEAS OF 10 FT OR MORE HAS BEEN ISSUED FOR WATERS EXPOSED TO THE LARGE NORTHWEST SWELL. WINDS WILL REMAIN BELOW SCA STRENGTH THROUGH THE WEEK. THE NEXT LARGE NORTHWEST SWELL IS DUE ON WEDNESDAY. && .HFO WATCHES/WARNINGS/ADVISORIES... HIGH SURF WARNING FROM NOON TODAY TO 6 AM HST TUESDAY FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI AND NORTH FACING SHORES OF MAUI SMALL CRAFT ADVISORY FROM 6 PM THIS EVENING TO 6 AM HST TUESDAY FOR WATERS AROUND OAHU AND FOR WATERS NORTH AND EAST OF MAUI COUNTY AND THE BIG ISLAND. SMALL CRAFT ADVISORY FROM NOON TODAY TO 6 AM HST TUESDAY FOR WATERS AROUND KAUAI. && DISCUSSION TODAY THROUGH MONDAY...WROE DISCUSSION MONDAY NIGHT THROUGH SATURDAY...JELSEMA AVIATION...BEDAL MARINE...WROE
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 24, 3:53 PM HST | Wind Advisory | HFO | Hawaii | 24 hr |
Nearby
High Surf Advisories in Hawaii, 2016Every high surf advisory in 2016
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.