Is Chuja Islands a shore dive or a boat dive?

Chuja Islands is a boat dive — access is by boat rather than from shore. No facilities are recorded at the site, and cell service is recorded as good. Entry details and parking notes, where known, are listed in the access section of this page.

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Boat entry

Chuja Islands

Jeju, South Korea

Boat entry5mm wetsuit typical

Boat dive — see Entry & access.

Chuja Islands at a glance

Chuja Islands is a boat dive site in Jeju, South Korea. Typically most favorable Aug · from 3 years of archive data. Recent reports put the water around 21°C (70°F). Check the latest conditions and entry details before you go.

Favorable window now· until 11:00, then moderate until 15:00

Forecast for this hour · 9:00 · run 19 h ago

1.3 m (4.4 ft)waves — about a meter and a half expected (waves — about four feet expected)

Tap a factor for its source and model point · Forecast 21°C · seasonal avg 22°C ( · Forecast 70°F · seasonal avg 72°F)

Dive windows this week

Lightest wind: Thu

Sun

1.4 m waves · 22 kn wind (4.6 ft waves · 22 kn wind)

Mon

0.9 m waves · 15 kn wind (2.9 ft waves · 15 kn wind)

Tue

1.2 m waves · 24 kn wind (3.9 ft waves · 24 kn wind)

Wed

0.7 m waves · 14 kn wind (2.2 ft waves · 14 kn wind)

Thu

0.1 m waves · 5 kn wind (0.5 ft waves · 5 kn wind)

Fri

0.2 m waves · 6 kn wind (0.7 ft waves · 6 kn wind)

Sat

Favorable windowModerate window— no window

Every forecast dive window each day, site-local time, from wave and wind forecasts. Numbers under each bar are daylight averages.

First light 6:22 · Sunrise 6:47 · Sunset 17:49 · some windows run past sunset

Source: Open-Meteo marine · model point 10 km from site · updated 24 Oct, 14:16 GMT+9

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Chuja Islands

Recent diver reports

Dated firsthand observations from divers — not current conditions.

No diver reports for this site yet. — one dated observation helps every diver after you.

Dived here today — did the forecast match?

Best months, historically

What conditions have historically been typical at this site, month by month — not a forecast.

January, 49% of days have historically been favorable, water has typically been 10°C (50°F), waves have typically been 1.0 m (3.2 ft), wind has typically been 21 knots
February, 47% of days have historically been favorable, water has typically been 9°C (48°F), waves have typically been 1.0 m (3.3 ft), wind has typically been 21 knots
March, 54% of days have historically been favorable, water has typically been 9°C (49°F), waves have typically been 0.9 m (3.0 ft), wind has typically been 19 knots
April, 68% of days have historically been favorable, water has typically been 11°C (53°F), waves have typically been 0.8 m (2.5 ft), wind has typically been 18 knots
May, 77% of days have historically been favorable, water has typically been 15°C (59°F), waves have typically been 0.7 m (2.2 ft), wind has typically been 16 knots
June, 84% of days have historically been favorable, water has typically been 20°C (68°F), waves have typically been 0.6 m (2.0 ft), wind has typically been 15 knots
July, 76% of days have historically been favorable, water has typically been 24°C (76°F), waves have typically been 0.9 m (2.8 ft), wind has typically been 17 knots
August, 85% of days have historically been favorable, water has typically been 29°C (83°F), waves have typically been 0.6 m (2.1 ft), wind has typically been 13 knots, historically most favorable
September, 79% of days have historically been favorable, water has typically been 27°C (81°F), waves have typically been 0.7 m (2.4 ft), wind has typically been 16 knots
October, 66% of days have historically been favorable, water has typically been 22°C (72°F), waves have typically been 0.8 m (2.8 ft), wind has typically been 18 knots
November, 52% of days have historically been favorable, water has typically been 16°C (61°F), waves have typically been 1.0 m (3.2 ft), wind has typically been 20 knots
December, 43% of days have historically been favorable, water has typically been 12°C (54°F), waves have typically been 1.0 m (3.4 ft), wind has typically been 20 knots

August has typically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.

Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.

Marine life recorded at this site

No recorded sightings data for this site yet. Species lists appear as GBIF records and diver reports accumulate.

Fills & rentals nearby

No dive shops mapped within 25 km (16 mi). Know one? Add it to the map.

Data updated July 2026

Site details

No description for this site yet — divers who know it can suggest one below.

boatdriftpinnaclereef

No hazards recorded for this site yet — that never means there are none. Ask a local operator before you dive.

Reviews

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