
Europe › Netherlands
Willemstoren Lighthouse
5–30 mMax Depth
boatEntry
67Species
Conditions Summary
Model forecast · local time (GMT-4)
Model conditions signal81/100
Waves
1.0 m
4.7 s
Swell
0.5 m
4.6 s
Current speed
1.4 km/h
flowing toward NW
Water temperature
29.0°C
Wind
25.1 km/h
→ E
Sea level
0.1 m
rising
WavesChallenging
SwellCalm
Current speedCalm
Forecast Overview
Tue, Oct 20Challenging
Waves1.0–1.2 mCurrent speed1.4 km/h maxWater temperature29.0°C
TodayChallenging
Waves0.9–1.2 mCurrent speed0.8 km/h maxWater temperature28.9°C
TomorrowWatch
Waves0.8–1.0 mCurrent speed1.0 km/h maxWater temperature29.0°C
Fri, Oct 23Watch
Waves0.9–1.1 mCurrent speed0.7 km/h maxWater temperature28.9°C
Next 72 hours
Catalog depth5–30 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
Year-round
Peak month
Sep 28.8°
Jan26.8°
Feb26.5°
Mar26.5°
Apr26.8°
May27.3°
Jun27.6°
Jul27.8°
Aug28.4°
Sep28.8°
Oct28.8°
Nov28.5°
Dec27.7°
Current: mild
Typical visibility: 25 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
reefshoresalt 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
Yellowhead wrasse
Halichoeres garnoti
DeepLog5
Carribean star coral
Orbicella annularis
DeepLog4
Coney
Cephalopholis fulva
DeepLog4
Sea ginger
Millepora alcicornis
DeepLog4
Yellow edge chromis
Azurina multilineata
DeepLog4
Black triggerfish
Melichthys niger
DeepLog3
Bluestriped grunt
Haemulon sciurus
DeepLog3
Mountainous star coral
Orbicella faveolata
DeepLog3
Redtail parrotfish
Sparisoma chrysopterum
DeepLog3
Reticulate seafan
Gorgonia ventalina
DeepLog3
Rock beauty
Holacanthus tricolor
DeepLog3
Yellow goatfish
Mulloidichthys martinicus
DeepLog3
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS →Photos
