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USA Weather Extremes
Past 24 Hours

==========
USA
High Temp
96°F at Phoenix Airport, AZ
Low Temp
-21°F at Middlesboro Bell County Ap, KY
Precipitation
4.42in at San Antonio Intl Ap, TX
==========
Report Date
Monday, April 20, 2026
Data from US NWS

Hawaii Weather Extremes
Past 24 Hours

==========
Hawaii
High Temp
84°F at Barking Sands Kauai, HI
84°F at Kahului Ap, HI
84°F at Kailua Kona Ke-ahole Ap, HI
Low Temp
48°F at Bradshaw Aaf, HI
Precipitation
0.22in at Kaneohe Mcas Oahu, HI
==========
Report Date
Monday, April 20, 2026
Data from US NWS

Daylight Hours

12 hrs 46 min
of daylight today
 graph
53.2% 46.8%
Which is
1 min 5 sec longer
than yesterday

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Wave/Buoy Data Around the Hawaiian Islands


Buoy Surf data from NDBC
Mesomap of nearby weather buoys

 Significant Wave Height @ Period   Swell height @ Period   Wind Wave Height @ Period   Mean wave direction   Wave steepness 

7.5 ft @ 9.9 sec 7.5 ft @ 12.9 sec 0.7 ft@ 3.7 sec Waves from NWNW (312°T) Swell

5.9 ft @ 9.0 sec 4.3 ft @ 14.3 sec 3.6 ft@ 8.3 sec Waves from NENE (36°T) Swell

5.2 ft @ 6.3 sec 4.6 ft @ 13.8 sec 3 ft@ 6.2 sec Waves from NWNW (321°T) Swell

6.2 ft @ 7.0 sec 5.6 ft @ 14.8 sec 2.6 ft@ 5.9 sec Waves from NENE (51°T) Swell

170 NM WNW of Kauai at 2340 HST: Seas: 7.5ft@9.9s, Swell: 7.5ft@12.9s, WDWV: 0.7ft@3.7s, NW(312°T), Swell Waimea Bay, HI (51201) - no recent report available Mokapu Point, HI at 0126 HST: Seas: 5.9ft@9.0s, Swell: 4.3ft@14.3s, WDWV: 3.6ft@8.3s, NE(36°T), Swell Kaumalapau, HI (51203) - no recent report available 205 NM SW of Honolulu (51003) - no recent report available 215 NM SSW of Hilo at 2340 HST: Seas: 5.2ft@6.3s, Swell: 4.6ft@13.8s, WDWV: 3ft@6.2s, NW(321°T), Swell 185 NM SE of Hilo at 2340 HST: Seas: 6.2ft@7.0s, Swell: 5.6ft@14.8s, WDWV: 2.6ft@5.9s, NE(51°T), Swell

ID Name Time
HST		 Seas
(WVHT)
ft		 Period
(APD)
sec		 Swell
(SWH)
ft		 Period
(SWP)
sec		 WindWave
(WWH)
ft		 Period
(WWP)
sec		 MeanWind
(MWD)
°T		 Steep-
ness
 
51001 170 NM WNW of Kauai 2340 7.5 9.9 7.5 12.9 0.7 3.7 NW Waves from NW(312) Swell
51201 Waimea Bay, HI No recent reports.
51202 Mokapu Point, HI 0126 5.9 9.0 4.3 14.3 3.6 8.3 NE Waves from NE(36) Swell
51203 Kaumalapau, HI No recent reports.
51003 205 NM SW of Honolulu No recent reports.
51002 215 NM SSW of Hilo 2340 5.2 6.3 4.6 13.8 3 6.2 NW Waves from NW(321) Swell
51004 185 NM SE of Hilo 2340 6.2 7.0 5.6 14.8 2.6 5.9 NE Waves from NE(51) Swell
Data from NOAA National Data Buoy Center Script by Saratoga-Weather.org