Europe › Sweden

Nieman

5–20 mMax Depth

shoreEntry

5Species

Conditions Summary

Model forecast · local time (GMT+2)

Model conditions signal91/100

Waves

0.5 m

2.9 s

Swell

0.1 m

3.0 s

Current speed

0.9 km/h

flowing toward N

Water temperature

12.2°C

Wind

27.0 km/h

→ E

Sea level

-0.2 m

falling

WavesWatch

SwellCalm

Current speedCalm

Planning window

13:30–13:00

Calmest model window

Forecast Overview

Tue, Oct 20Watch

Waves0.5–0.6 mCurrent speed1.0 km/h maxWater temperature12.3°C

TodayWatch

Waves0.6–0.9 mCurrent speed1.3 km/h maxWater temperature12.6°C

TomorrowWatch

Waves0.6–0.8 mCurrent speed1.3 km/h maxWater temperature12.6°C

Fri, Oct 23Calm

Waves0.3–0.6 mCurrent speed1.3 km/h maxWater temperature12.4°C

Next 72 hours

13:00

Waves: 0.5 m

Current speed: 0.9 km/h

Water temperature: 12.1°C

19:00

Waves: 0.5 m

Current speed: 0.9 km/h

Water temperature: 12.3°C

01:00

Waves: 0.6 m

Current speed: 0.9 km/h

Water temperature: 12.5°C

07:00

Waves: 0.8 m

Current speed: 1.0 km/h

Water temperature: 12.5°C

13:00

Waves: 0.8 m

Current speed: 0.7 km/h

Water temperature: 12.6°C

19:00

Waves: 0.7 m

Current speed: 0.7 km/h

Water temperature: 12.6°C

01:00

Waves: 0.7 m

Current speed: 0.9 km/h

Water temperature: 12.6°C

07:00

Waves: 0.7 m

Current speed: 0.9 km/h

Water temperature: 12.6°C

13:00

Waves: 0.6 m

Current speed: 0.8 km/h

Water temperature: 12.6°C

19:00

Waves: 0.6 m

Current speed: 0.7 km/h

Water temperature: 12.5°C

01:00

Waves: 0.5 m

Current speed: 1.1 km/h

Water temperature: 12.5°C

07:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 12.4°C

Catalog depth5–20 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.

Updated: cached data

Open-Meteo Marine + Weather APIs →

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

Jun-Sep

Peak month

Aug 18.1°

Jan3.4°

Feb2.4°

Mar3.0°

Apr6.3°

May10.9°

Jun14.8°

Jul17.5°

Aug18.1°

Sep15.4°

Oct11.7°

Nov8.3°

Dec5.4°

Current: moderate

Typical visibility: 8 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

wreckshorebrackish Waterintermediate 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

Atlantic mackerel

Scomber scombrus

DeepLog1

Common seal

Phoca vitulina

DeepLog1

Iceland scallop

Chlamys islandica

DeepLog1

Northern red anemone

Urticina felina

DeepLog1

Sun jellyfish

Cyanea capillata

DeepLog1

Animalia

Nearby OBIS observations11

Phocoena phocoena

Nearby OBIS observations8

Biota incertae sedis

Nearby OBIS observations5

Ciliophora

Nearby OBIS observations5

Clupea harengus

Nearby OBIS observations5

Tripos muelleri

Nearby OBIS observations5

Protozoa

Nearby OBIS observations4

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

DeepLog + OBIS →

Photos