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M/V Castor

Florida, United States
AOW suggested33 m (109 ft) depthBoat entryRash guard or 2mm shorty typical

Boat dive — see Entry & access.

M/V Castor at a glance

M/V Castor is an advanced boat dive site in Florida, United States with depths of up to 33.2 m (109 ft). Typically most favorable Jul · from 3 years of archive data. Recent reports put the water around 28°C (83°F). Check the latest conditions and entry details before you go.

No window today· next: Wed 8:00–19:00 · favorable & moderate

Forecast for this hour · 8:00 · run 19 h ago
3.8 m (12.3 ft)waves — about four meters expected (waves — about 12 feet expected)

Tap a factor for its source and model point · Forecast 28°C · seasonal avg 29°C ( · Forecast 83°F · seasonal avg 84°F)

Dive windows this week

MonNo window

3.6 m waves · 25 kn wind (11.9 ft waves · 25 kn wind)

TueNo window

3.5 m waves · 20 kn wind (11.6 ft waves · 20 kn wind)

Wed8:00–15:00 moderate, 15:00–19:00 favorable

2.2 m waves · 16 kn wind (7.1 ft waves · 16 kn wind)

Thu8:00–19:00 favorable

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

Fri8:00–19:00 favorable

1.1 m waves · 9 kn wind (3.6 ft waves · 9 kn wind)

Sat8:00–19:00 favorable

1.0 m waves · 11 kn wind (3.2 ft waves · 11 kn wind)

SunNot 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 7:02 · Sunrise 7:25 · Sunset 18:42 · some windows run past sunset

Source: Open-Meteo marine · model point 16 km from site · updated 25 Oct, 13:23 GMT-4

Forecast only — always assess conditions on site.

Compare this weekend’s windows near M/V Castor

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, 80% of days have historically been favorable, water has typically been 24°C (75°F), waves have typically been 1.3 m (4.3 ft), wind has typically been 11 knots
  2. February, 79% of days have historically been favorable, water has typically been 24°C (76°F), waves have typically been 1.2 m (4.1 ft), wind has typically been 11 knots
  3. March, 66% of days have historically been favorable, water has typically been 25°C (76°F), waves have typically been 1.3 m (4.3 ft), wind has typically been 12 knots
  4. April, 83% of days have historically been favorable, water has typically been 26°C (78°F), waves have typically been 1.2 m (3.9 ft), wind has typically been 11 knots
  5. May, 97% of days have historically been favorable, water has typically been 27°C (81°F), waves have typically been 0.8 m (2.7 ft), wind has typically been 10 knots
  6. June, 96% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 0.7 m (2.4 ft), wind has typically been 10 knots
  7. July, 100% of days have historically been favorable, water has typically been 30°C (87°F), waves have typically been 0.5 m (1.7 ft), wind has typically been 8 knots, historically most favorable
  8. August, 92% of days have historically been favorable, water has typically been 31°C (88°F), waves have typically been 0.8 m (2.7 ft), wind has typically been 9 knots
  9. September, 88% of days have historically been favorable, water has typically been 31°C (87°F), waves have typically been 1.1 m (3.5 ft), wind has typically been 8 knots
  10. October, 59% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 1.6 m (5.1 ft), wind has typically been 11 knots
  11. November, 70% of days have historically been favorable, water has typically been 27°C (81°F), waves have typically been 1.4 m (4.5 ft), wind has typically been 10 knots
  12. December, 63% of days have historically been favorable, water has typically been 26°C (78°F), waves have typically been 1.5 m (5.0 ft), wind has typically been 10 knots

July 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

Artificial reef built from 258' X45' X 37' Coastal Freighter, the "M/V Castor". Customs Seizure

reef

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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