John D MacArthur Beach State Park

United States

John D MacArthur Beach State Park

3–12 mMax Depth
shoreEntry
35Species

Conditions Summary

Model forecast · local time (GMT-4)

Planning signal80/100
Waves
0.3 m
7.0 s
Swell
0.2 m
6.9 s
Current speed
4.2 km/h
flowing toward N
Water temperature
31.0°C
Wind
11.5 km/h
→ W
Sea level
-0.6 m
rising
WavesCalm
SwellCalm
Current speedChallenging

Forecast Overview

Sat, Sep 5Challenging
Waves0.3–0.3 mCurrent speed4.2 km/h maxWater temperature31.0°C
TodayChallenging
Waves0.3–0.3 mCurrent speed4.9 km/h maxWater temperature31.1°C
TomorrowChallenging
Waves0.3–0.3 mCurrent speed5.2 km/h maxWater temperature31.1°C
Tue, Sep 8Challenging
Waves0.3–0.3 mCurrent speed4.9 km/h maxWater temperature31.1°C
Next 72 hours
21:00
Waves: 0.3 m
Current speed: 4.2 km/h
Water temperature: 31.0°C
03:00
Waves: 0.3 m
Current speed: 4.3 km/h
Water temperature: 30.9°C
09:00
Waves: 0.3 m
Current speed: 4.7 km/h
Water temperature: 30.9°C
15:00
Waves: 0.3 m
Current speed: 4.7 km/h
Water temperature: 31.4°C
21:00
Waves: 0.3 m
Current speed: 4.5 km/h
Water temperature: 31.2°C
03:00
Waves: 0.3 m
Current speed: 4.4 km/h
Water temperature: 30.9°C
09:00
Waves: 0.3 m
Current speed: 4.5 km/h
Water temperature: 30.9°C
15:00
Waves: 0.3 m
Current speed: 5.2 km/h
Water temperature: 31.4°C
21:00
Waves: 0.3 m
Current speed: 4.6 km/h
Water temperature: 31.2°C
03:00
Waves: 0.3 m
Current speed: 4.5 km/h
Water temperature: 30.8°C
09:00
Waves: 0.3 m
Current speed: 4.7 km/h
Water temperature: 30.9°C
15:00
Waves: 0.3 m
Current speed: 4.9 km/h
Water temperature: 31.5°C
Catalog depth3–12 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 29.5°

Jan25.0°
Feb24.9°
Mar25.1°
Apr25.9°
May27.0°
Jun28.2°
Jul29.1°
Aug29.5°
Sep29.2°
Oct28.4°
Nov27.1°
Dec26.0°
Current: moderate
Typical visibility: 10 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 Waterbeginner Difficulty

Data source & current conditions

Profile facts were imported from DeepLog. ScubaProof adds nearby-center links and presents the recorded fields without treating missing data as confirmation. Conditions, access, permits, and site suitability can change; confirm them with a local operator before diving.

View the source profile →

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
Red mangrove
Rhizophora mangle
DeepLog5
Portuguese man o'war
Physalia physalis
DeepLog4
Checkered puffer
Sphoeroides testudineus
DeepLog3
Lettered olive
Oliva sayana
DeepLog3
Spectral bittersweet
Glycymeris spectralis
DeepLog3
West indian nerite
Nerita fulgurans
DeepLog3
Bluehead
Thalassoma bifasciatum
DeepLog2
Crested goby
Lophogobius cyprinoides
DeepLog2
Flathead grey mullet
Mugil cephalus
DeepLog2
Oyster
Crassostrea virginica
DeepLog2
Sooty seahare
Aplysia morio
DeepLog2
Tinted cantharus
Gemophos tinctus
DeepLog2
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS

Photos

John D MacArthur Beach State Park photo 2
John D MacArthur Beach State Park photo 3
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