Alerts

Flash Flood Watch

The following area is affected:

  • Hawaii

KONA-SOUTH BIG ISLAND-BIG ISLAND NORTH AND EAST-KOHALA-
BIG ISLAND INTERIOR-BIG ISLAND SUMMITS-
410 AM HST TUE AUG 30 2016

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH LATE THURSDAY NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* THE BIG ISLAND.

* FROM WEDNESDAY MORNING THROUGH THURSDAY NIGHT.

* DEEP MOISTURE ASSOCIATED WITH HURRICANE MADELINE IS EXPECTED TO
IMPACT THE BIG ISLAND BEGINNING WEDNESDAY MORNING...BRINGING THE
THREAT OF HEAVY RAINFALL AND FLOODING THROUGH THURSDAY NIGHT.
THE GREATEST INITIAL FLOOD THREAT WILL BE OVER THE WINDWARD
SLOPES...WITH THE ENTIRE ISLAND EXPERIENCING A FLOOD THREAT FROM
LATER WEDNESDAY THROUGH THURSDAY NIGHT. DEPENDING ON THE EXACT
TRACK OF MADELINE...ADDITIONAL ISLANDS MAY NEED TO BE ADDED TO
THE WATCH LATER TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

High Surf Advisory

The following areas are affected:

  • Kauai
  • Honolulu
  • Maui

KAUAI WINDWARD-OAHU KOOLAU-OLOMANA-MOLOKAI WINDWARD-
MAUI WINDWARD WEST-
344 PM HST TUE AUG 30 2016

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM HST THURSDAY...

* SURF...BUILDING TO 5 TO 9 FEET OVERNIGHT THEN CONTINUING THROUGH
WEDNESDAY.

* 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.

&&

$$

Hurricane Warning

The following area is affected:

  • Hawaii

KONA-SOUTH BIG ISLAND-BIG ISLAND NORTH AND EAST-KOHALA-
BIG ISLAND INTERIOR-BIG ISLAND SUMMITS-
537 PM HST TUE AUG 30 2016

...HURRICANE WARNING REMAINS IN EFFECT...

...PRECAUTIONARY/PREPAREDNESS ACTIONS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...

COVER AND SECURE WINDOWS AND BRACE GARAGE DOORS. LOOSE OBJECTS
SUCH AS LAWN FURNITURE...GARBAGE CANS...AND OTHER ITEMS SHOULD BE
SECURED OR STORED INDOORS.

IF EVACUATING...LEAVE AS SOON AS POSSIBLE. DO NOT GET STUCK ON
THE ROADS WHEN THE DANGEROUS WINDS AND HEAVY RAINS ARRIVE.

&&

...PROBABILITY OF TROPICAL STORM/HURRICANE CONDITIONS...
THE CHANCE FOR HURRICANE CONDITIONS AT HILO IS 4 PERCENT...
KAILUA-KONA IS 3 PERCENT...AND SOUTH POINT IS 16 PERCENT.
ALSO...THE CHANCE FOR TROPICAL STORM CONDITIONS AT HILO IS 71
PERCENT...AT KAILUA-KONA IS 57 PERCENT...AND AT SOUTH POINT IS 88
PERCENT. THESE VALUES ARE NEARLY THE SAME AS THE LAST ADVISORY. THE
ONSET OF TROPICAL STORM CONDITIONS COULD START AS EARLY AS WEDNESDAY
MORNING. THE ONSET OF HURRICANE CONDITIONS COULD START AS EARLY AS
WEDNESDAY EVENING.

...WINDS...
DEPENDING ON THE EXACT TRACK OF MADELINE...SOME AREAS COULD SEE
WINDS AS HIGH AS 60 TO 80 MPH WITH STRONGER GUSTS POSSIBLE.

WINDS THIS STRONG WOULD BE VERY DANGEROUS AND AIRBORNE DEBRIS
COULD PRODUCE WIDESPREAD DAMAGE. ANY LOOSE OUTDOOR ITEMS WOULD
BECOME PROJECTILES...CAUSING POSSIBLE INJURY. OTHER POSSIBLE WIND
DAMAGE WOULD INCLUDE...DOWNED LARGE TREES AND POWER LINES...AND
SIGNIFICANT ROOF AND STRUCTURE DAMAGE...ESPECIALLY TO WEAKER
STRUCTURES.

EXTENSIVE DAMAGE TO POWER LINES AND POLES COULD RESULT IN
WIDESPREAD POWER OUTAGES THAT COULD LAST FROM SEVERAL DAYS TO
WEEKS.

...STORM SURGE AND STORM TIDE...
LARGE AND DAMAGING SURF IS EXPECTED ALONG EAST FACING SHORES.
SURF WILL BUILD THIS AFTERNOON...AND PEAK AT 15 TO 25 FEET
TONIGHT THROUGH WEDNESDAY NIGHT. DEPENDING ON THE EXACT TRACK OF
MADELINE...STORM SURGE WILL RANGE FROM 1 TO 3 FEET. THE
COMBINATION OF STORM SURGE AND WAVE RUNUP MAY CAUSE SIGNIFICANT
COASTAL FLOODING AND DAMAGE 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.

...INLAND FLOODING...
A FLASH FLOOD WATCH IS IN EFFECT. DEEP TROPICAL MOISTURE
ASSOCIATED WITH THE MADELINE WILL BEGIN TO IMPACT THE BIG ISLAND
WEDNESDAY MORNING...BRINGING THE THREAT OF HEAVY RAINFALL AND
FLOODING THROUGH LATE THURSDAY. TOTAL RAIN ACCUMULATIONS OF 5 TO
10 INCHES ARE POSSIBLE...WITH ISOLATED MAXIMUM AMOUNTS NEAR
15 INCHES...ESPECIALLY OVER WINDWARD PORTIONS OF THE BIG ISLAND.
THIS RAINFALL MAY LEAD TO DANGEROUS FLASH FLOODS AND MUDSLIDES.
REFER TO THE WATCH FOR MORE DETAILS.

$$

Tropical Storm Watch

The following area is affected:

  • Maui

MOLOKAI WINDWARD-MOLOKAI LEEWARD-LANAI MAKAI-LANAI MAUKA-
KAHOOLAWE-MAUI WINDWARD WEST-MAUI LEEWARD WEST-
MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-LEEWARD HALEAKALA-
HALEAKALA SUMMIT-
537 PM HST TUE AUG 30 2016

...TROPICAL STORM WATCH REMAINS IN EFFECT...

...PRECAUTIONARY/PREPAREDNESS ACTIONS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...

LOOSE OBJECTS SUCH AS LAWN FURNITURE...GARBAGE CANS...AND OTHER
ITEMS SHOULD BE SECURED OR STORED INDOORS.

&&

...PROBABILITY OF TROPICAL STORM/HURRICANE CONDITIONS...
THE CHANCE FOR TROPICAL STORM CONDITIONS AT HANA IS 20 PERCENT...AT
KAHULUI IS 19 PERCENT...AT LANAI CITY IS 21 PERCENT...AND AT
KAUNAKAKAI IS 14 PERCENT. THE ONSET OF TROPICAL STORM CONDITIONS
COULD OCCUR AS EARLY AS LATE WEDNESDAY AFTERNOON OR WEDNESDAY
EVENING.

...WINDS...
ALTHOUGH THE LATEST FORECAST IS FOR SUSTAINED WINDS TO REMAIN
BELOW TROPICAL STORM FORCE OF 39 MPH...34 KNOTS...ONLY A SMALL
CHANGE IN THE TRACK OF MADELINE COULD RESULT IN HIGHER WINDS.

...STORM SURGE AND STORM TIDE...
LARGE AND DAMAGING SURF IS EXPECTED ALONG EAST FACING SHORES OF
EAST MAUI. SURF WILL BUILD THIS AFTERNOON...AND PEAK AT 12 TO
18 FEET TONIGHT THROUGH WEDNESDAY NIGHT. THIS MAY CAUSE
SIGNIFICANT WAVE RUNUP OR DAMAGE 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. ALTHOUGH SURF HEIGHTS WILL BE
LOWER ALONG EAST FACING SHORES OF WEST MAUI AND MOLOKAI...SURF
HEIGHTS WILL REACH ADVISORY LEVELS OF 5 TO 9 FEET TONIGHT THROUGH
WEDNESDAY NIGHT.

$$

Tropical Storm Watch

The following area is affected:

  • Maui

500 PM HST TUE AUG 30 2016

MAUI-MOLOKAI-LANAI-KAHOOLAWE 20.80N 156.35W

$$

Hurricane Warning

The following area is affected:

  • Hawaii

500 PM HST TUE AUG 30 2016

HAWAII 19.65N 155.50W

$$

High Surf Warning

The following area is affected:

  • Maui

WINDWARD HALEAKALA-
344 PM HST TUE AUG 30 2016

...HIGH SURF WARNING NOW IN EFFECT UNTIL 6 PM HST THURSDAY...

* SURF...BUILDING TO 10 TO 15 FEET OVERNIGHT...THEN PEAKING IN THE
12 TO 18 FOOT RANGE LATE WEDNESDAY.

* IMPACTS...HIGH...EXPECT OCEAN WATER OCCASIONALLY SWEEPING
ACROSS PORTIONS OF BEACHES...VERY STRONG BREAKING WAVES AND
STRONG LONGSHORE AND RIP CURRENTS. BREAKING WAVES MAY
OCCASIONALLY IMPACT HARBORS MAKING NAVIGATING THE HARBOR
CHANNEL DANGEROUS.

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.

&&

$$