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Map of Circle Rigs (Port Fourchon)
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Circle Rigs (Port Fourchon)

Louisiana, United States
30 m (98 ft) depthBoat entry3mm wetsuit typical

Boat dive — see Entry & access.

Circle Rigs (Port Fourchon) at a glance

Circle Rigs (Port Fourchon) is an advanced boat dive site in Louisiana, United States with depths of up to 30 m (98 ft). Typically most favorable Aug · from 3 years of archive data. Recent reports put the water around 26°C (79°F). Check the latest conditions and entry details before you go.

Next window today· 7:00–18:00 · favorable · sunset 17:21

Forecast for this hour · 5:00 · run 18 h ago
1.2 m (3.9 ft)waves — about a meter expected (waves — about four feet expected)

Tap a factor for its source and model point · Forecast 26°C · seasonal avg 27°C ( · Forecast 79°F · seasonal avg 80°F)

Dive windows this week

Sun7:00–18:00 favorable

1.4 m waves · 18 kn wind (4.7 ft waves · 18 kn wind)

Mon7:00–18:00 favorable

1.3 m waves · 15 kn wind (4.2 ft waves · 15 kn wind)

Tue7:00–18:00 favorable

1.3 m waves · 16 kn wind (4.4 ft waves · 16 kn wind)

Wed7:00–18:00 favorable

1.0 m waves · 15 kn wind (3.4 ft waves · 15 kn wind)

Thu7:00–18:00 favorable

1.3 m waves · 13 kn wind (4.2 ft waves · 13 kn wind)

Fri7:00–18:00 favorable

1.7 m waves · 14 kn wind (5.5 ft waves · 14 kn wind)

SatNot in the forecast yet

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 5:44 · Sunrise 6:08 · Sunset 17:21 · some windows run past sunset

Source: Open-Meteo marine · model point 1.2 km from site · updated 24 Oct, 11:15 GMT-6

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Circle Rigs (Port Fourchon)

Forecast · NOAA tide model

Tide & slack timing

Loading tide predictions

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.

  1. January, 54% of days have historically been favorable, water has typically been 18°C (64°F), waves have typically been 1.2 m (4.1 ft), wind has typically been 19 knots
  2. February, 62% of days have historically been favorable, water has typically been 18°C (64°F), waves have typically been 1.1 m (3.4 ft), wind has typically been 17 knots
  3. March, 68% of days have historically been favorable, water has typically been 21°C (69°F), waves have typically been 1.1 m (3.7 ft), wind has typically been 17 knots
  4. April, 68% of days have historically been favorable, water has typically been 23°C (73°F), waves have typically been 1.1 m (3.6 ft), wind has typically been 17 knots
  5. May, 89% of days have historically been favorable, water has typically been 26°C (79°F), waves have typically been 0.9 m (2.8 ft), wind has typically been 15 knots
  6. June, 91% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 0.8 m (2.6 ft), wind has typically been 14 knots
  7. July, 96% of days have historically been favorable, water has typically been 31°C (88°F), waves have typically been 0.6 m (1.8 ft), wind has typically been 11 knots
  8. August, 98% of days have historically been favorable, water has typically been 31°C (89°F), waves have typically been 0.5 m (1.8 ft), wind has typically been 12 knots, historically most favorable
  9. September, 93% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.7 m (2.3 ft), wind has typically been 13 knots
  10. October, 67% of days have historically been favorable, water has typically been 27°C (80°F), waves have typically been 1.0 m (3.4 ft), wind has typically been 16 knots
  11. November, 67% of days have historically been favorable, water has typically been 24°C (75°F), waves have typically been 1.1 m (3.5 ft), wind has typically been 17 knots
  12. December, 68% of days have historically been favorable, water has typically been 20°C (68°F), waves have typically been 1.1 m (3.4 ft), wind has typically been 17 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 June 2026

Site details

A cluster of offshore platforms reached from Port Fourchon/Grand Isle, among the few Louisiana sites dived recreationally. Clear blue water below the surface muck layer attracts large schools of fish, sharks and the occasional whale shark in summer.

boatpinnacle

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

Reviews

No reviews yet — this site is waiting for its first. Dived here? Your rating and a few lines help the next diver.

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