Norway

Langholmen

5–25 mMax Depth

shoreEntry

5Species

Conditions Summary

Model forecast · local time (GMT+2)

Model conditions signal91/100

Waves

0.6 m

8.0 s

Swell

0.3 m

9.1 s

Current speed

1.3 km/h

flowing toward NW

Water temperature

13.3°C

Wind

6.1 km/h

→ NE

Sea level

-0.4 m

rising

WavesWatch

SwellCalm

Current speedCalm

Planning window

10:30–10:00

Calmest model window

Forecast Overview

Sun, Oct 18Watch

Waves0.5–0.6 mCurrent speed1.9 km/h maxWater temperature13.3°C

Mon, Oct 19Watch

Waves0.5–0.8 mCurrent speed2.6 km/h maxWater temperature13.2°C

Tue, Oct 20Challenging

Waves0.8–1.4 mCurrent speed2.3 km/h maxWater temperature12.9°C

TodayChallenging

Waves1.1–1.4 mCurrent speed1.7 km/h maxWater temperature12.8°C

Next 72 hours

10:00

Waves: 0.6 m

Current speed: 1.0 km/h

Water temperature: 13.3°C

16:00

Waves: 0.6 m

Current speed: 1.8 km/h

Water temperature: 13.3°C

22:00

Waves: 0.5 m

Current speed: 1.5 km/h

Water temperature: 13.2°C

04:00

Waves: 0.5 m

Current speed: 2.2 km/h

Water temperature: 13.2°C

10:00

Waves: 0.5 m

Current speed: 2.0 km/h

Water temperature: 13.2°C

16:00

Waves: 0.6 m

Current speed: 2.4 km/h

Water temperature: 13.2°C

22:00

Waves: 0.7 m

Current speed: 1.5 km/h

Water temperature: 13.1°C

04:00

Waves: 0.9 m

Current speed: 2.2 km/h

Water temperature: 12.9°C

10:00

Waves: 1.2 m

Current speed: 1.8 km/h

Water temperature: 12.9°C

16:00

Waves: 1.4 m

Current speed: 2.2 km/h

Water temperature: 12.9°C

22:00

Waves: 1.4 m

Current speed: 1.1 km/h

Water temperature: 12.9°C

04:00

Waves: 1.2 m

Current speed: 1.7 km/h

Water temperature: 12.9°C

Catalog depth5–25 m

Data sources & field guideOpen-Meteo Marine + Weather APIs

Planning context, not a safety guarantee. Coastal model accuracy is limited. Confirm the actual briefing, entry, exit, and suitability with a local operator.

Open-Meteo Marine + Weather APIs →

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

May-Sep

Peak month

Aug 16.8°

Jan6.1°

Feb4.9°

Mar4.8°

Apr6.1°

May8.8°

Jun12.0°

Jul15.2°

Aug16.8°

Sep15.1°

Oct12.4°

Nov9.7°

Dec7.5°

Current: mild

Typical visibility: 10 m

Historical planning data from the recorded site profile. Water temperature and conditions can vary by day, depth, and weather; confirm current conditions with a local operator.

Explore nearby centers on the map

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Dive Types

shoresalt Waterbeginner Difficulty

Questions to ask a local operator

What are today's current, visibility, entry, and exit conditions?
Does the planned route stay within my certification and recent experience?
Are there local permits, conservation rules, or equipment requirements?

Common Species

12 km · nearby observations

Common brittle star

Ophiothrix fragilis

DeepLog1

King rag worm

Alitta virens

DeepLog1

Maned nudibranch

Aeolidia papillosa

DeepLog1

Plumosa anemone

Metridium senile

DeepLog1

Red starfish

Asterias rubens

DeepLog1

Copepoda

Nearby OBIS observations14

Euphausiacea

Nearby OBIS observations14

Bucephala clangula

Nearby OBIS observations13

Calanus

Nearby OBIS observations12

Clangula hyemalis

Nearby OBIS observations11

Melanitta fusca

Nearby OBIS observations11

Rissa tridactyla

Nearby OBIS observations11

These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.

DeepLog + OBIS →

Photos