Diving the south coast of South Africa/Twelve Mile Bank

Western Cape, South AfricaDirections

5mm wetsuit typical

Diving the south coast of South Africa/Twelve Mile Bank at a glance

Diving the south coast of South Africa/Twelve Mile Bank is a dive site in Western Cape, South Africa. Recent reports put the water around 17°C (63°F). Check the latest conditions and entry details before you go.

Next window today· 16:00–20:00 · moderate · sunset 19:01

Forecast for this hour · 9:00 · run 13 h ago

2.7 m (8.8 ft)waves — about two and a half meters expected (waves — about nine feet expected)

Tap a factor for its source and model point · Forecast 17°C · seasonal avg 17°C ( · Forecast 63°F · seasonal avg 62°F)

Dive windows this week

Smallest waves: Sun

Fri

2.5 m waves · 9 kn wind (8.3 ft waves · 9 kn wind)

Sat

1.7 m waves · 8 kn wind (5.5 ft waves · 8 kn wind)

Sun

1.4 m waves · 10 kn wind (4.7 ft waves · 10 kn wind)

Mon

1.5 m waves · 16 kn wind (5.0 ft waves · 16 kn wind)

Tue

1.7 m waves · 11 kn wind (5.5 ft waves · 11 kn wind)

Wed

1.5 m waves · 12 kn wind (4.8 ft waves · 12 kn wind)

Thu

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 5:21 · Sunrise 5:47 · Sunset 19:01 · some windows run past sunset

Source: Open-Meteo marine · model point 7.5 km from site · updated 22 Oct, 19:22 GMT+2

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Diving the south coast of South Africa/Twelve Mile Bank

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, 1% of days have historically been favorable, water has typically been 21°C (70°F), waves have typically been 2.7 m (8.9 ft), wind has typically been 20 knots
February, 0% of days have historically been favorable, water has typically been 21°C (70°F), waves have typically been 2.9 m (9.5 ft), wind has typically been 20 knots
March, 0% of days have historically been favorable, water has typically been 20°C (68°F), waves have typically been 3.0 m (9.7 ft), wind has typically been 21 knots
April, 3% of days have historically been favorable, water has typically been 19°C (66°F), waves have typically been 3.1 m (10.0 ft), wind has typically been 20 knots
May, 0% of days have historically been favorable, water has typically been 17°C (63°F), waves have typically been 3.5 m (11.3 ft), wind has typically been 20 knots
June, 0% of days have historically been favorable, water has typically been 16°C (61°F), waves have typically been 4.0 m (13.2 ft), wind has typically been 24 knots
July, 0% of days have historically been favorable, water has typically been 15°C (59°F), waves have typically been 4.1 m (13.4 ft), wind has typically been 24 knots
August, 0% of days have historically been favorable, water has typically been 15°C (59°F), waves have typically been 4.0 m (13.0 ft), wind has typically been 23 knots
September, 1% of days have historically been favorable, water has typically been 15°C (60°F), waves have typically been 3.7 m (12.2 ft), wind has typically been 23 knots
October, 2% of days have historically been favorable, water has typically been 17°C (62°F), waves have typically been 3.1 m (10.1 ft), wind has typically been 22 knots
November, 1% of days have historically been favorable, water has typically been 19°C (66°F), waves have typically been 2.9 m (9.6 ft), wind has typically been 20 knots
December, 0% of days have historically been favorable, water has typically been 20°C (69°F), waves have typically been 2.8 m (9.3 ft), wind has typically been 20 knots

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

Wikivoyage scuba diving site article

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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