Netherlands

Brouwersdam Blokkendam

5–25 mMax Depth

shoreEntry

20Species

Conditions Summary

Model forecast · local time (GMT+2)

Model conditions signal71/100

Waves

1.3 m

6.5 s

Swell

1.1 m

5.7 s

Current speed

0.6 km/h

flowing toward W

Water temperature

15.6°C

Wind

—

Sea level

-0.5 m

rising

WavesChallenging

SwellWatch

Current speedCalm

Planning window

20:00–21:00

Calmest model window

Forecast Overview

Sun, Oct 18Challenging

Waves0.7–1.3 mCurrent speed0.6 km/h maxWater temperature15.5°C

Mon, Oct 19Calm

Waves0.5–0.7 mCurrent speed0.5 km/h maxWater temperature15.4°C

Tue, Oct 20Watch

Waves0.5–0.7 mCurrent speed0.6 km/h maxWater temperature15.1°C

TodayCalm

Waves0.3–0.4 mCurrent speed0.3 km/h maxWater temperature15.1°C

Next 72 hours

05:00

Waves: 1.3 m

Current speed: 0.6 km/h

Water temperature: 15.6°C

11:00

Waves: 1.1 m

Current speed: 0.4 km/h

Water temperature: 15.5°C

17:00

Waves: 0.9 m

Current speed: 0.4 km/h

Water temperature: 15.5°C

23:00

Waves: 0.7 m

Current speed: 0.4 km/h

Water temperature: 15.5°C

05:00

Waves: 0.6 m

Current speed: 0.4 km/h

Water temperature: 15.3°C

11:00

Waves: 0.5 m

Current speed: 0.4 km/h

Water temperature: 15.4°C

17:00

Waves: 0.5 m

Current speed: 0.4 km/h

Water temperature: 15.4°C

23:00

Waves: 0.5 m

Current speed: 0.4 km/h

Water temperature: 15.4°C

05:00

Waves: 0.6 m

Current speed: 0.6 km/h

Water temperature: 15.2°C

11:00

Waves: 0.7 m

Current speed: 0.3 km/h

Water temperature: 15.1°C

17:00

Waves: 0.6 m

Current speed: 0.4 km/h

Water temperature: 15.1°C

23:00

Waves: 0.5 m

Current speed: 0.2 km/h

Water temperature: 15.1°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

Apr-Oct

Peak month

Aug 18.7°

Jan6.5°

Feb5.8°

Mar6.3°

Apr8.5°

May11.5°

Jun14.6°

Jul17.2°

Aug18.7°

Sep17.7°

Oct15.0°

Nov11.6°

Dec8.5°

Current: mild

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

shorereefsalt 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

Plumosa anemone

Metridium senile

DeepLog20

Native oyster

Ostrea edulis

DeepLog4

Two-spotted goby

Pomatoschistus flavescens

DeepLog4

Common periwinkle

Littorina littorea

DeepLog3

Blue mussel

Mytilus edulis

DeepLog2

Common goby

Pomatoschistus microps

DeepLog1

Common seal

Phoca vitulina

DeepLog1

Common wentletrap

Epitonium clathrus

DeepLog1

European eel

Anguilla anguilla

DeepLog1

False angel wing

Petricolaria pholadiformis

DeepLog1

Japanese littleneck

Ruditapes philippinarum

DeepLog1

Lepidochitona cinerea

DeepLog1

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

DeepLog + OBIS →

Photos