Scuba Diving at Släggö

Diving atSläggö (Sweden)

Diving at Släggö often presents a comfortable experience with convenient shore access and close parking by the pier. Air temperatures typically range from 13-20°C (55-68°F) during popular diving months, though cooler conditions are common outside peak season. Water temperatures can vary significantly, from 5°C (41°F) to 19°C (66°F), requiring appropriate thermal protection. This site is consistently rated as a good dive opportunity across many months, making it a popular choice for Swedish divers due to its reliability and accessibility.

Tonight's objective overview for Släggö shows an air temperature of 15.5°C. The measured surface conditions include wave heights around 0.5 m. This environmental data is logged for the close of the day.

Dive Site Location & Key Facts

Everything you need to know about this dive site.

Max Depth--
Entry Type--
Water Type--
Dive Types
Wall

Dive Site Overview

Släggö has long held a reputation as Sweden's most popular dive site, a distinction it earns through its accessible setup and diverse underwater landscape. Positioned precisely at the mouth of Sweden's sole threshold fjord, the site benefits from a rich marine ecosystem where marine life thrives.

Divers typically begin their descent on a gently sloping bottom, which gradually leads towards an impressive wall, often described as a "wall of mystique and lobster joy." This primary feature, consistent with its "wall" tag, provides easy navigation for divers. By staying near the wall, individuals can comfortably manage their depth while exploring various rock formations, boulder fields ("stenrösen"), and the occasional wreck found in deeper sections.

The maximum depth is reported at 31.2 m (102 ft), though many recreational dives average around 16 m (52 ft). The site's enduring popularity is also rooted in the variety of encounters it provides for divers of different skill levels, from beginners on the slope to more experienced divers exploring the wall's deeper crevices.

Its convenient access, including nearby parking, contributes significantly to its appeal, allowing for straightforward shore entries and exits, which is a key factor in its high visitation rate.

Släggö

Conditions are Good

7/10
Confidence: 8/10
Indicates meteorological model agreement and data availability.

Best Dive Window

Optimal conditions expected

06:12
18:45
H: 10:45
L: 16:20
Air / Sea Temp
16° / 17°
Wave Height
0.6 m
Wind Speed
30 km/h NNW
Rain Chance
100%

Current conditions near Släggö show 16° air, 17° sea temperature, 0.6 m waves, and 30 km/h wind. Forecast data is refreshed regularly to ensure accuracy.

Radius: ~12km
Updated: Jun 13, 2026, 18:34 local time
MARINE: OPEN-METEOWEATHER: YR.NO

Best Time to Dive

Optimal diving conditions at Släggö generally occur from May through November, corresponding with milder air temperatures and higher dive scores. During these months, average air temperatures range from around 13°C (55°F) in October/November to 20°C (68°F) in May/August. Rainfall is typically moderate, with monthly averages between 1.6 mm and 4.8 mm, which can contribute to varying visibility. Water temperatures, crucial for diver comfort, fluctuate significantly, often ranging from 8°C (46°F) in May to a warmer 17°C (63°F) in July and August, then cooling to 9-13°C (48-55°F) by October and November. Visibility is not consistently reported, but tends to range from 5 m (16 ft) to 25 m (82 ft), depending on plankton blooms and recent weather. Currents are usually manageable, reported between 0-2 knots. While most of the year offers "Good" dive scores, October and December are rated "Moderate," suggesting conditions may be more challenging with average wave heights peaking around 1.2 m (3.9 ft) and wind speeds increasing to 21-23 km/h (13-14 mph).

PEAK SEASON SCORE

74/100
Good

Scores combine air & water temps, waves, wind & rainfall for overall conditions.


BEST MONTHS TO DIVE

APR
MAY
SEP
DIVE SCORE
(0–100)
57
JAN
66
FEB
65
MAR
72
APR
78
MAY
71
JUN
71
JUL
71
AUG
75
SEP
60
OCT
63
NOV
55
DEC
AIR TEMP (°C)
-1
-1
4
7
13
16
17
16
15
9
4
3
WAVES (M)
1.2
0.9
0.9
0.7
0.6
1.0
1.0
1.0
0.8
1.2
1.0
1.3
WIND (KM/H)
23
20
21
19
19
21
19
20
18
22
20
23
RAIN (MM)
2.9
2.4
2.1
1.8
1.6
2.9
4.8
3.7
3.3
3.2
2.7
3.2
DIVE SCORE GUIDE (0–100)
Excellent (90–100)
Very Good (80–89)
Good (70–79)
Moderate (50–69)
Poor (30–49)
Not Recommended (0–29)

Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.

Dive Experience & Conditions

Navigating the waters at Släggö means experiencing conditions that shift with the seasons, influencing the dive dynamics. While currents are generally mild, typically ranging from 0 to 2 knots, their presence can be more noticeable at certain depths or during tidal changes. Visibility often varies from 5 m (16 ft) up to 25 m (82 ft), with reports of average clarity common. This variability can be influenced by local weather patterns and plankton activity. The thermal environment underwater requires careful planning, with water temperatures ranging from a chilly 5°C (41°F) to a warmer 19°C (66.2°F). Divers need to select appropriate thermal protection for comfort and safety. The shore entry provides straightforward access, and once submerged, the prominent wall structure aids in buoyancy control and route planning. Maintaining situational awareness regarding both current and temperature is key to enjoying the diverse underwater topography and marine encounters.

Dive Difficulty & Safety Guidelines

For divers exploring Släggö, understanding local safety protocols is essential, particularly for those venturing beyond the shallower sections. The site is equipped with a safety cabin containing security equipment; however, access to this cabin requires a key obtained from designated local pickup points. This system emphasizes pre-dive planning and awareness of local resources. Given the reported maximum depth of 31.2 m (102 ft), divers aiming for deeper exploration should possess appropriate certifications and experience. Even though the site has convenient shore entry and nearby parking, divers should always assess current conditions before entering the water. Adhering to responsible diving practices, such as diving within certified limits and diving with a buddy, remains paramount. Checking with local dive centers for current intelligence is always a recommended step before a dive.

Recommended Equipment

  • Dive Computer

This gear list is based on verified equipment signals for Släggö, Sweden. Always confirm final gear choices with your dive operator, guide, or liveaboard.

Recommended Dive Suit

For dives of average duration, 5-7mm wetsuit usually provides sufficient protection from heat loss. A thermal robe or jacket is recommended between dives.

Current readings at Släggö show water temperatures near 17°C (62°F). Surface air temperatures are resting at 16°C (60°F).

Weather projections show fairly stable environmental conditions ahead.

Släggö conditions last reviewed: 18:34 local time (UTC+1), Jun 13, 2026

Emergency & Medical Support

Essential information to help you plan your dive trip to Släggö.

Hyperbaric Chamber

Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.

Before diving, it's recommended to:

  • confirm nearest medical facilities
  • check emergency procedures with local dive operators
  • ensure dive insurance covers evacuation if required
24/7 Available

Divers Alert Network

Diving emergency assistance available through DAN Europe.

+39 0642115685
  • 24/7 emergency hotline
  • Diving medical assistance
  • Evacuation coordination
View official DAN emergency contacts

Emergency contacts are provided for reference. Always verify local emergency services before diving.

Closest Listed Hyperbaric Chambers

Showing listed hyperbaric chamber facilities within 200 km of this dive site. Distances are approximate straight-line distances and may not reflect emergency travel time.

+

Tryckkammarenheten Uddevalla sjukhus, NU-sjukvården

24/7 Listed
Uddevalla, SwedenApprox. 31 km straight-line
Facility Details
Operating Hours
07.30-16.00
ICU Capable
No
Chamber Type
Multi (3 patients)
Multi (3 patients) chamber facility
Facility / Hospital
Östra Sjukhuset Gbg
24/7 Listed
Yes
Listed as 24/7 available facility

Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.

SourceEUBS / OXYNET

Tryckkammarenheten

24/7 ListedICU Capable
Gothenburg, SwedenApprox. 71 km straight-line
Facility Details
Operating Hours
Not listed
ICU Capable
Yes
Fully equipped ICU on-site
Chamber Type
1 Multi, 1 Mono
1 Multi, 1 Mono chamber facility
Facility / Hospital
Sahlgrenska Univeristy Hospital, Ostra Sjukhuset
24/7 Listed
Yes
Listed as 24/7 available facility

Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.

SourceEUBS / OXYNET
Chamber data is sourced from self-reported EUBS/OXYNET listings and has not been independently verified by Dive Navigator. Always contact local emergency services, DAN, your dive operator, or the facility directly before travelling.
View all in Sweden

Marine Life at Släggö

Upon entering the water at Släggö, divers will often first notice the abundance of crustaceans, with various crabs and lobsters inhabiting the rock formations. As you descend along the wall, cod frequently appear, moving through the kelp and deeper sections. Keep an eye out for trout and ling, often found near the bottom. Crayfish are a common sight, hiding in the crevices of the wall. More unique encounters include St. Peter’s fish, an interesting addition to the local fauna, and both compass and barrel jellyfish, which can drift through the water column, adding a dynamic element to the dive. Occasionally, seals are observed in the area, offering a memorable interaction.

Image contributors:Hans Hillewaert, Gusmonkeyboy + 2 more
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Dive Centers Near Släggö

Flying Divers
70 km away

Flying Divers

4.9| 27 reviews
Today: Closed
SunClosed
Mon15:00 - 19:00
Tue15:00 - 19:00
Wed15:00 - 19:00
Thu15:00 - 19:00
FriClosed
SatClosed
Oxygene Diving

Oxygene Diving

4.6| 56 reviews
71 km

Nearest Airports

Nearest airports to help plan travel to this dive area.

Trollhättan-Vänersborg AirportTHN
54 km
Göteborg Landvetter AirportGOT
84 km
Aalborg AirportAAL
161 km
💵Currency:SEK

Search Flights

Check available flights and routes on Expedia, using the nearby airports listed in this section.

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Frequently Asked Questions

Is Släggö suitable for beginner divers?

Yes, the sloping bottom allows for shallower dives suitable for beginners. However, exploring the full wall to its reported maximum depth of 31.2 m (102 ft) would require more experience and advanced certifications.

What is the water temperature like at Släggö?

Water temperatures at Släggö vary greatly throughout the year, ranging from a chilly 5°C (41°F) to a warmer 19°C (66.2°F). Appropriate thermal protection, such as a drysuit, is essential for comfort and safety.

How is the visibility typically at Släggö?

Visibility at Släggö is not consistently reported and can be quite variable, ranging from 5 m (16 ft) to 25 m (82 ft). Divers often report average clarity, which can be influenced by plankton blooms and recent weather conditions.

Are there any special access requirements for diving at Släggö?

There are no general access restrictions for the dive site itself, which features convenient shore entry. However, a safety cabin with security equipment is available, but requires a key obtained from specified local pickup points.

What kind of marine life can I expect to see?

Divers commonly encounter a variety of marine life, including cod, different species of crabs, and lobsters. Trout, ling, and crayfish are also frequently spotted, alongside fascinating invertebrates like St. Peter’s fish, and both compass and barrel jellyfish. Seals are occasionally observed in the area.

Is there parking available at the dive site?

Yes, convenient parking is available very close to the pier at Släggö. During winter months, parking is typically free, making access straightforward for divers.

What is the maximum depth at Släggö?

The maximum reported depth for diving at Släggö is 31.2 m (102 ft). Many recreational dives often average around 16 m (52 ft), allowing for exploration of the wall and sloping bottom within typical sport diving limits.

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