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Castelo de Neptuno

Explore the captivating round-shaped reef with a variety of craters and dive troughs, offering an unforgettable underwater experience. With a maximum depth of 13m, this dive site is suitable for divers of all levels, from beginners to the more enthusiastic ones seeking a fun and relaxing dive. It is the perfect spot for macro photography, showcasing an abundance of marine life.

Expect to encounter numerous nudibranches, as well as the constant presence of congers and octopuses. Delight in the sight of shrimps and various kinds of crabs scuttling about, adding to the rich biodiversity of this location.

Situated in Portugal, near Praia da Rocha in Portimão, Faro, this dive site offers a unique opportunity to explore the underwater wonders of the region. With a visibility of 6m, divers can immerse themselves in the vibrant aquatic ecosystem and create lasting memories.

Diving Conditions Score for Castelo de Neptuno

7.6
Good

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

Dive Site Overview for Castelo de Neptuno

Depth

13m

Visibility

6m

Experience Level

beginner

Weather Conditions for Castelo de Neptuno

Wave Height

0.36m

Wind Speed

0.7 m/s

Water Temp

19.1°C

Visibility

42.04km

Cloud Cover

64%

Wave Period

4.5s

Air Temperature

23.4°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Castelo de Neptuno
Alpha

Dive Score Chart for Castelo de Neptuno

Best time to dive: 6:00 with score 9.01964358974359/10. Water conditions: Waves 0.32m, Wind 2.5 m/s.Best night dive time: 23:00 with score 8.610147368421053/10.

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

Sunrise at Castelo de Neptuno: 06:00
Sunset at Castelo de Neptuno: 18:00

Optimal diving conditions at Castelo de Neptuno 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: 9.0/10
Waves: 0.32m (5.2s), Wind: 2.5 m/s

🌙
Best Night
23:00

Score: 8.6/10
Waves: 0.3m, Wind: 0.4 m/s

Seasonal Analysis for Castelo de Neptuno
Alpha

Historical patterns and best seasons for diving at Castelo de Neptuno

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 Castelo de Neptuno

Winter

Avg. Score: 8.3/10

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

Best Months for Castelo de Neptuno

January
Score: 8.5
February
Score: 8.4
December
Score: 8.1

Ideal Conditions for Castelo de Neptuno

Water Temp

Thermometer Emoji

25.2°C / 77.4°F

July

Visibility

Telescope Emoji

15.7m / 51.5ft

November

Wave Height

Wave Emoji

1.0m / 3.3ft

February

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Castelo de Neptuno

Castelo de Neptuno shows typical northern hemisphere patterns with July being the warmest month (25.2°C) and January the coldest (9.2°C). The calmest conditions typically occur in February with average wave heights of 1.0m and wave periods of 8.0s. The most comfortable wave conditions are in February 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). January is usually the driest month with 0.0mm of precipitation. For beginners, the best time to visit would be during February to April, 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 20, 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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