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Hephaestus

The Hephaestus, an oil tanker, was intentionally sunk at Xatt l-Ahmar on 29.8.2022 to create a captivating underwater attraction. This dive site offers a thrilling experience for experienced divers, accessible both from the shore and by boat. With a maximum depth of 42m, it allows divers to explore the depths of the Mediterranean Sea.

Divers at this site can expect excellent visibility, reaching up to 20m, allowing for clear underwater views. The maximum depth of the dive is 40m, making it suitable for advanced and expert divers with proper training and experience.

Located in Malta, specifically at Xatt l-Ahmar Dive Site, Xatt l-Ahmar, Mġarr, Għajnsielem, Gozo Region, 1022, Malta, this dive spot offers a diverse array of marine life. Here, you can encounter an abundance of Mediterranean sea breams, stingrays, moray eels, grouper, common octopus, cuttlefish, red starfish, damsels, and various other vibrant reef fishes.

Don't miss your chance to explore the magnificent underwater world of the Hephaestus dive site in Malta. Book your dive today and experience the thrill of diving among a rich variety of marine species in this captivating location.

Diving Conditions Score for Hephaestus

8.6
Very Good

Very good diving conditions!
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Hephaestus

Depth

40m

Visibility

20m

Experience Level

advanced
expert

Weather Conditions for Hephaestus

Wave Height

0.14m

Wind Speed

10.9 m/s

Water Temp

27.5°C

Visibility

29.1km

Cloud Cover

0%

Wave Period

3.5s

Air Temperature

28.9°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Hephaestus
Alpha

Dive Score Chart for Hephaestus

Best time to dive: 6:00 with score 9.460909090909091/10. Water conditions: Waves 0.12m, Wind 2.1 m/s.Best night dive time: 1:00 with score 9.161290322580644/10.

Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.

Sunrise at Hephaestus: 06:00
Sunset at Hephaestus: 18:00

Optimal diving conditions at Hephaestus are affected by daylight hours. Sunrise occurs at 06:00 and sunset at 18:00, which impacts visibility and water temperature for scuba diving and snorkeling.

🌞
Best Overall
6:00

Score: 9.5/10
Waves: 0.12m (3.3s), Wind: 2.1 m/s

🌙
Best Night
1:00

Score: 9.2/10
Waves: 0.08m, Wind: 0.4 m/s

Seasonal Analysis for Hephaestus
Alpha

Historical patterns and best seasons for diving at Hephaestus

The dive score combines all factors to rate overall diving conditions throughout the year. Higher scores indicate better diving conditions.

Monthly Dive Score Analysis - Seasonal Diving Conditions

Higher values indicate better diving conditions

Seasonal DiveScore Chart

This chart displays monthly diveScore data throughout the year, showing seasonal patterns. The data is presented as a bar chart with an overlaid line graph.Dive scores range from 1 to 10, with 10 being optimal conditions.

Higher values indicate better diving conditions

Best Season for Hephaestus

Winter

Avg. Score: 7.9/10

Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.

Best Months for Hephaestus

January
Score: 8.0
December
Score: 7.9
February
Score: 7.8

Ideal Conditions for Hephaestus

Water Temp

Thermometer Emoji

26.2°C / 79.2°F

July

Visibility

Telescope Emoji

12.8m / 42.0ft

October

Wave Height

Wave Emoji

1.8m / 5.9ft

October

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Hephaestus

Hephaestus shows typical northern hemisphere patterns with July being the warmest month (26.2°C) and January the coldest (9.8°C). The calmest conditions typically occur in October with average wave heights of 1.8m and wave periods of 8.0s. The most comfortable wave conditions are in October with a low wave steepness ratio, creating gentler swells. January offers the longest wave periods (8.0s), creating more comfortable and predictable conditions for boat entries and exits. Ocean currents are slowest in January (0.5m/s) and strongest in January (0.5m/s). February is usually the driest month with 0.0mm of precipitation. For beginners, the best time to visit would be during October to December, when ocean conditions are calmer with long-period waves and currents are typically weaker. Experienced divers might enjoy the challenges and potentially better visibility during the shoulder seasons, with moderate currents that can improve marine life encounters.

Scoring Legend:
9-10 (Excellent)
7-8 (Good)
5-6 (Average)
3-4 (Poor)
1-2 (Dangerous)

Last updated: 1 min. ago - Jun 27, 2026

Note: This dive site is not a verified dive site. Please dive with caution. This dive site might have incorrect information by the community.

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