Castelo de Neptuno
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
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
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
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.
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.
Score: 9.0/10
Waves: 0.32m (5.2s), Wind: 2.5 m/s
Score: 8.6/10
Waves: 0.3m, Wind: 0.4 m/s
Seasonal Analysis for Castelo de NeptunoAlpha
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
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Castelo de Neptuno
Ideal Conditions for Castelo de Neptuno
Water Temp
25.2°C / 77.4°F
July
Visibility
15.7m / 51.5ft
November
Wave Height
1.0m / 3.3ft
February
Wave Period
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.
Last updated: 1 min. ago - Jun 20, 2026