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USA Weather Extremes
Past 24 Hours

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USA
High Temp
108°F at New Orleans/Nas, LA
Low Temp
16°F at Alamosa Muni(awos), CO
16°F at Williston/Sloulin, ND
Precipitation
1.53in at Troy Municipal, AL
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Data from US NWS

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Hawaii Weather Extremes
Past 24 Hours

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Hawaii
High Temp
89°F at Barbers Pt Nas/Oahu, HI
Low Temp
68°F at Kekaha, Pacific Missil, HI
Precipitation
0.92in at Hilo/Lyman Field, HI
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Data from US NWS

Daylight Hours

11 hrs 35 min
of daylight today
 graph
48.3% 51.7%
Which is
1 min 7 sec shorter
than yesterday

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Watches, Warnings, and Advisories

Current Watches, Warnings and Advisories for Windward Haleakala (HIZ020) Hawaii Issued by the National Weather Service

 

High Surf Advisory High Surf Advisory - Windward Haleakala (Hawaii)
Updated:Sun, 21-Oct-2018 3:28pm HST
Effective:Sun, 21-Oct-2018 3:28pm HST
Expires:Mon, 22-Oct-2018 6:00pm HST
Severity:Minor
Urgency:Expected
Certainty:Likely
Status:Actual
Type:Alert
Category:Met
Areas affected: Big Island North and East; Kahoolawe; Kauai Leeward; Kauai Windward; Kohala; Kona; Lanai Makai; Leeward Haleakala; Maui Central Valley; Maui Leeward West; Molokai Leeward; Molokai Windward; Niihau; Oahu South Shore; South Big Island; Waianae Coast; Windward Haleakala
 
Instructions: 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.

Message summary: ...high surf advisory for south facing shores of all islands through 6 pm monday...
.a long period south swell generated by a powerful storm in the southern hemisphere will gradually decline tonight and monday.
...high surf advisory remains in effect until 6 pm hst monday...
* surf...7 to 11 feet overnight, lowering to 6 to 8 feet monday, for south facing shores.
* timing...slowly diminishing tonight and monday.
* impacts...moderate...expect strong breaking waves, shore break, and rip currents making swimming difficult and dangerous.
...view the complete message

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Source: NWS Watches, Warnings or Advisories for zone HIZ020

national advisories