Finding the pulse of the reef...
Next 12 hours
Clear now, partly cloudy moving in around 9 PM.
Conditions
Visibility, water, current, and wind. The in-water read.
Visibility
Poor
Onshore E chop · Recent / incoming rain
Water
81°
1–2 mm
Current
0.5 kt
gentle drift
Surge
9.2s
low surge
Wind
9 mph
onshore E
Visibility is an estimate — wind, rain, tide & water alerts.
The spot
The things that stay true when the weather changes.
Yes. Shark's Cove, HI is snorkelable directly from shore.
Shark's Cove, HI runs roughly 3 to 20 feet deep in the area people use.
Roughly May to October, when DLNR describes the water as generally calm. Surge happens even in summer, so pick a flat day.
Beach park lot with roadside shoulder alongside. Around 30 cars, and it fills by mid-morning through the summer.
Checked 2026-07-19. Sources: Hawaii DLNR Division of Aquatic Resources, Hawaii DLNR, Pupukea MLCD rules, City and County of Honolulu Ocean Safety.
Tides & Sky
When the water moves, and how bright the night.
Calmest water was
2:31 PM – 4:31 PM
High slack · Good light · Least current
That window has passed — the water settles again at the next slack tide.
High
4:40 AM
1.71ft
Low
8:11 PM
0.087ft
Waxing Crescent
8%
Daylight: 11h 43m · UV 8 High
Life
The reef keeps its own calendar.
Wedge-tailed Shearwater · Brown Noddy · Pacific Golden-Plover · Sanderling · White-tailed Tropicbird
Regulations
Take only what the season allows.
We've only loaded detailed seasons & limits for South Florida so far. For Hawaii, check the official source before you fish:
Hawaii saltwater regulationsOfficial source: DLNR DAR· opens the agency site
The reef will wait for a clearer day.
Snorkel: poor viz, warm 81 F water, 4-5 ft waves, 9 mph onshore wind.
Best window was: 2:31 PM–4:31 PM · High slack · Good light · Least current
This week
snorkel & freedive readBest day this week: tomorrow, 12–7 PM.