
Saint Maarten
Snake Bay
5–20 mMax Depth
shoreEntry
1Species
Conditions Summary
Model forecast · local time (GMT-4)
Model conditions signal91/100
Waves
0.6 m
6.1 s
Swell
0.4 m
5.3 s
Current speed
0.8 km/h
flowing toward NW
Water temperature
29.5°C
Wind
18.7 km/h
→ E
Sea level
0.3 m
rising
WavesWatch
SwellCalm
Current speedCalm
Planning window
09:30–09:00
Calmest model window
Forecast Overview
Sat, Oct 17Watch
Waves0.6–0.6 mCurrent speed0.8 km/h maxWater temperature29.6°C
Sun, Oct 18Watch
Waves0.5–0.7 mCurrent speed0.8 km/h maxWater temperature29.6°C
Mon, Oct 19Watch
Waves0.6–0.6 mCurrent speed0.6 km/h maxWater temperature29.6°C
Tue, Oct 20Watch
Waves0.6–0.6 mCurrent speed0.4 km/h maxWater temperature29.5°C
Next 72 hours
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.
Open-Meteo Marine + Weather APIs →Dive readiness
Collecting the latest marine conditions and forecast signals.
Seasons · water temperature
12-month outlook
Best window
Dec-Apr
Peak month
Sep 28.8°
Jan26.4°
Feb26.1°
Mar26.1°
Apr26.7°
May27.4°
Jun27.9°
Jul28.1°
Aug28.5°
Sep28.8°
Oct28.8°
Nov28.2°
Dec27.3°
Current: mild
Typical visibility: 20 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.
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Dive Types
reefsalt 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
Longspine starsnail
Lithopoma phoebium
DeepLog1
Brown booby
Sula leucogaster
Nearby OBIS observations47
Magnificent frigatebird
Fregata magnificens
Nearby OBIS observations13
Coronosphaera
Nearby OBIS observations4
Cephalopholis fulva
Nearby OBIS observations3
Cittarium pica
Nearby OBIS observations3
Coenobita clypeatus
Nearby OBIS observations3
Sepioteuthis sepioidea
Nearby OBIS observations3
Thalassoma bifasciatum
Nearby OBIS observations3
Abudefduf saxatilis
Nearby OBIS observations2
Acanthurus coeruleus
Nearby OBIS observations2
Aliger gigas
Nearby OBIS observations2
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS →