Netherlands

Jonkvrouw Annapolder

5–20 mMax Depth

shoreEntry

2Species

Conditions Summary

Model forecast · local time (GMT+2)

Model conditions signal100/100

Waves

0.2 m

1.9 s

Swell

0.0 m

2.5 s

Current speed

0.7 km/h

flowing toward N

Water temperature

17.3°C

Wind

14.8 km/h

→ S

Sea level

0.7 m

falling

WavesCalm

SwellCalm

Current speedCalm

Planning window

06:30–06:00

Calmest model window

Forecast Overview

Thu, Oct 15Calm

Waves0.1–0.2 mCurrent speed2.4 km/h maxWater temperature17.4°C

Fri, Oct 16Calm

Waves0.1–0.4 mCurrent speed2.3 km/h maxWater temperature17.2°C

Sat, Oct 17Calm

Waves0.1–0.4 mCurrent speed1.9 km/h maxWater temperature17.0°C

Sun, Oct 18Calm

Waves0.2–0.3 mCurrent speed1.9 km/h maxWater temperature16.8°C

Next 72 hours

06:00

Waves: 0.2 m

Current speed: 0.9 km/h

Water temperature: 17.3°C

12:00

Waves: 0.2 m

Current speed: 0.2 km/h

Water temperature: 17.3°C

18:00

Waves: 0.1 m

Current speed: 1.5 km/h

Water temperature: 17.4°C

00:00

Waves: 0.2 m

Current speed: 1.2 km/h

Water temperature: 17.3°C

06:00

Waves: 0.2 m

Current speed: 2.0 km/h

Water temperature: 17.2°C

12:00

Waves: 0.2 m

Current speed: 1.5 km/h

Water temperature: 17.3°C

18:00

Waves: 0.4 m

Current speed: 2.3 km/h

Water temperature: 17.2°C

00:00

Waves: 0.3 m

Current speed: 1.5 km/h

Water temperature: 17.2°C

06:00

Waves: 0.1 m

Current speed: 1.9 km/h

Water temperature: 17.1°C

12:00

Waves: 0.2 m

Current speed: 1.5 km/h

Water temperature: 17.0°C

18:00

Waves: 0.3 m

Current speed: 1.8 km/h

Water temperature: 17.0°C

00:00

Waves: 0.2 m

Current speed: 1.0 km/h

Water temperature: 16.9°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

May-Sep

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: 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

shoresalt 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

Short snouted seahorse

Hippocampus hippocampus

DeepLog2

Rhizostoma octopus

DeepLog1

Larus fuscus

Nearby OBIS observations165

Larus argentatus

Nearby OBIS observations61

Nephtys hombergii

Nearby OBIS observations3

Spiophanes bombyx

Nearby OBIS observations3

Thalassiosira

Nearby OBIS observations3

Eteone

Nearby OBIS observations2

Heteromastus filiformis

Nearby OBIS observations2

Idotea chelipes

Nearby OBIS observations2

Lanice conchilega

Nearby OBIS observations2

Nephtys cirrosa

Nearby OBIS observations2

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

DeepLog + OBIS →

Photos