Captain Cook Monument
Kealakekua Bay, Big Island, HI
Estimates only. Not safety advice. Verify locally before entering the water. Terms & Conditions
Updated 50m ago·refreshes every 2h
Today
Captain Cook Monument is experiencing poor to fair conditions today. A 9.5 mph S cross-onshore wind combined with 2-3 ft surf is impacting the water clarity, though recent rainfall of 0.12 inches has had a minimal effect on runoff. The estimated visibility currently is 20-30 ft. The water temp is around 82 with the air at 76.
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Wind
WSW 5 mph
Onshore
24-hour wind Now · 4:50 PM
12a
6a
12p
6p
12a
Surf and Swell
Surf Est.
2–3 ft
Breaking wave height
HeightPeriodDir2.4 ft16sS 190°1.9 ft12sSW 215°1.1 ft4sNNW 346°
Estimated Visibility
~30-40ft
Estimate based on swell, runoff and forecast clarity at site
Rainfall
0.15in / 24h
0.64" in last 72 hours
Temperature
82°
Water
78°
Air
34%
Cloud Cover
Tide · HST
2.3ft
at 4:45 PM · hover to scrub
State: High
Next low at 10:34 PM
1.3ft
0.1ft
2.4ft
0.2ft
12a
6a
12p
6p
12a
Low 0.1 ft @ 9:05 AMHigh 1.3 ft @ 3:35 AM
Site Notes
Access by kayak, boat, or 2-mile hike. Bay is sheltered by tall cliffs on the south side. West-facing — can be affected by large west swells. Best on calm days. Marine life sanctuary — no collecting.