Henry’s Cave scuba diving weather

Boat dive · Kona, Hawaii · Show on map

Now · 05:00Excellent

97out of 100

Excellent conditions. Steady until sunset.

Waves: 0.8 m
Wind: 2 kn from E; gusts 6 · offshore
Water: 27 °C; same down to ~6 m
Suit: 3 mm; to ~6 m

Hour by hour today

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Score	Waves	Wind (gusts)	Current	Swell	Water	Air	Rain	Limited by
97	0.8 m	2 (6 kn) ↓	0.1 kn	0.4 m · 10 s ↓	26.9 °C	22 °C	–	waves
97	0.8 m	3 (5 kn) ↓	0.1 kn	0.4 m · 10 s ↓	26.9 °C	22 °C	–	waves
97	0.8 m	2 (6 kn) ↓	0.1 kn	0.4 m · 10 s ↓	26.9 °C	23 °C	–	waves
97	0.8 m	1 (8 kn) ↓	0.2 kn	0.4 m · 10 s ↓	26.9 °C	25 °C	–	waves
97	0.8 m	1 (8 kn) ↓	0.2 kn	0.4 m · 10 s ↓	27.0 °C	26 °C	–	waves
98	0.8 m	2 (10 kn) ↓	0.2 kn	0.4 m · 10 s ↓	27.1 °C	27 °C	–	waves
98	0.8 m	2 (12 kn) ↓	0.2 kn	0.4 m · 10 s ↓	27.2 °C	27 °C	–	waves
98	0.8 m	3 (13 kn) ↓	0.2 kn	0.4 m · 10 s ↓	27.3 °C	27 °C	–	waves
98	0.8 m	3 (14 kn) ↓	0.2 kn	0.4 m · 10 s ↓	27.4 °C	27 °C	–	waves
98	0.8 m	3 (13 kn) ↓	0.2 kn	0.4 m · 10 s ↓	27.5 °C	27 °C	–	waves
98	0.8 m	1 (12 kn) ↓	0.2 kn	0.4 m · 10 s ↓	27.5 °C	26 °C	–	waves
99	0.7 m	1 (8 kn) ↓	0.2 kn	0.4 m · 11 s ↓	27.4 °C	26 °C	–	waves
99	0.7 m	2 (8 kn) ↓	0.1 kn	0.4 m · 12 s ↓	27.3 °C	25 °C	–	waves
99	0.7 m	2 (7 kn) ↓	0.2 kn	0.4 m · 10 s ↓	27.3 °C	24 °C	–	waves
99	0.7 m	1 (5 kn) ↓	0.2 kn	0.4 m · 9 s ↓	27.2 °C	24 °C	–	waves
99	0.7 m	0 (3 kn) ↓	0.2 kn	0.4 m · 8 s ↓	27.1 °C	24 °C	–	waves
99	0.7 m	0 (4 kn) ↓	0.2 kn	0.4 m · 8 s ↓	27.1 °C	24 °C	–	waves

Waves and swell are adjusted for this site's shelter from the coastline. Arrows point where the wind and swell go. Night hours are shaded.

Water at depth

27 °C down to about 6 m. The model's water ends there; nothing is known below.

Suit: 3 mm wetsuit down to ~6 m.

Model estimate (Copernicus Marine), updated Sat 14 Nov. High confidence.

Temperature profile and next days

Day	Surface	Warm to
Sat 14 Nov	27.0 °C	~6 m
Sun 15 Nov	27.0 °C	~6 m
Mon 16 Nov	27.0 °C	~6 m
Tue 17 Nov	27.0 °C	~6 m
Wed 18 Nov	27.1 °C	~6 m
Thu 19 Nov	27.1 °C	~6 m
Fri 20 Nov	27.2 °C	~6 m
Sat 21 Nov	27.1 °C	~6 m
Sun 22 Nov	27.0 °C	~6 m
Mon 23 Nov	26.9 °C	~6 m

~9 km model grid; nearest model water 4.2 km away, so channels and bays may differ. Daily averages; the thermocline can move several metres day to day.

Conditions at Henry’s Cave

Henry’s Cave is open to the sea from the S–NW, so waves build there when the wind blows from those directions.

Over the next 7 days it's good or better every day. Wed, Thu and Fri are only a trend so far.

The water is 27 °C at the surface and stays warm past 6 m, so a 3 mm wetsuit suits most dives.

Shelter

Open to S–NW. Waves and swell from there reach the site.

Sheltered from NNW–SSE: land blocks the waves.

Computed from the OpenStreetMap coastline. Wind itself is not reduced by shelter.

Location

Open Henry’s Cave on the map19.5083, -155.9549

Nearby dive sites

Scores are today's best daylight hour.

About this forecast

Updated Sat 14 Nov, 05:30 · weather run 06Z 14 Nov · waves run 00Z 14 Nov

Waves are adjusted for this site's shelter from the coastline.

Water temperature in Hawaii

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