3 Milhas
This dive site in Portugal, located near Rua da Baleeira, offers a unique experience. It features a large rock formation with a distinct slit that creates the illusion of two separate rocks. Divers have the opportunity to pass underneath from one side to the other through an arched opening. The visibility in this location is approximately 8m, allowing divers to fully immerse themselves in the underwater beauty. With a maximum depth of 11m, this dive is suitable for beginners who are eager to explore the marine life. The diversity of this site includes various species of nudibranchs, schools of white seabreams, cuttlefish, and small wrasses. Discover the wonders of the underwater world at this enchanting dive spot in Sesimbra, Setúbal, Portugal.
Diving Conditions Score for 3 Milhas
6.3
Above AverageDecent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for 3 Milhas
Depth
11m
Visibility
8m
Experience Level
beginner
Weather Conditions for 3 Milhas
Wave Height
0.9m
Wind Speed
10.5 m/s
Water Temp
17.5°C
Visibility
22.48km
Cloud Cover
95%
Wave Period
6.5s
Air Temperature
22.6°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for 3 Milhas
Alpha
Dive Score Chart for 3 Milhas
Best time to dive: 8:00 with score 8.13/10. Water conditions: Waves 0.72m, Wind 4.3 m/s.Best night dive time: 1:00 with score 7.3351999999999995/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at 3 Milhas: 06:00
Sunset at 3 Milhas: 18:00
Optimal diving conditions at 3 Milhas 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
8:00Score: 8.1/10
Waves: 0.72m (6.4s), Wind: 4.3 m/s
Best Night
1:00Score: 7.3/10
Waves: 0.78m, Wind: 4.4 m/s
Seasonal Analysis for 3 MilhasAlpha
Historical patterns and best seasons for diving at 3 Milhas
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 3 Milhas
Winter
Avg. Score: 9.9/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for 3 Milhas
January
Score: 10.0
February
Score: 9.8
December
Score: 9.8
Ideal Conditions for 3 Milhas
Water Temp
23.8°C / 74.8°F
June
Visibility
20.1m / 65.9ft
October
Wave Height
0.2m / 0.7ft
January
Wave Period
8.0s
January
Seasonal Insights for 3 Milhas
3 Milhas shows typical northern hemisphere patterns with June being the warmest month (23.8°C) and December the coldest (19.8°C). The calmest conditions typically occur in January with average wave heights of 0.2m and wave periods of 8.0s. The most comfortable wave conditions are in January 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 January to March, 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 22, 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.
31 Dive sites near 3 Milhas in
Zimbral
Baía da Armação
Jardim das Gorgónias
Pedra do Leão
Pedra da Malha
Pedra do Meio
Barco das Telhas (Wreck)
Penedos
Batelão
Pedra dos Safios
Pedra da Lagoa
Pedra do Avião
Cabo Submarino
Bailonas
Cavernas
Roberto Ivens
3 Milhas
Pedra das Ancoras
Pião
Baleeira
Forte da Baralha
Pedra da Milu
Arcanzil
Ponta da Passagem
Lagosteiros
Gruta dos Pampos
Paredes do Cabo
River Gurara Popa
River Gurara Proa (Wreck)
P-39
Catrapona
Got feedback?
Help us improve this dive site by giving us feedback.