Isthmus

United States

Isthmus

5–25 mMax Depth
boatEntry
23Species

Conditions Summary

Model forecast · local time (GMT-7)

Planning signal71/100
Waves
1.3 m
12.9 s
Swell
1.2 m
11.4 s
Current speed
0.4 km/h
flowing toward S
Water temperature
23.6°C
Wind
10.0 km/h
→ W
Sea level
1.0 m
falling
WavesChallenging
SwellWatch
Current speedCalm

Forecast Overview

Sat, Sep 5Challenging
Waves1.3–1.3 mCurrent speed0.6 km/h maxWater temperature23.4°C
TodayChallenging
Waves1.3–1.4 mCurrent speed0.8 km/h maxWater temperature22.9°C
TomorrowChallenging
Waves1.3–1.5 mCurrent speed0.4 km/h maxWater temperature22.9°C
Tue, Sep 8Challenging
Waves1.0–1.2 mCurrent speed0.6 km/h maxWater temperature22.9°C
Next 72 hours
17:00
Waves: 1.3 m
Current speed: 0.4 km/h
Water temperature: 23.6°C
23:00
Waves: 1.3 m
Current speed: 0.5 km/h
Water temperature: 23.1°C
05:00
Waves: 1.3 m
Current speed: 0.6 km/h
Water temperature: 22.9°C
11:00
Waves: 1.3 m
Current speed: 0.4 km/h
Water temperature: 22.8°C
17:00
Waves: 1.3 m
Current speed: 0.7 km/h
Water temperature: 22.9°C
23:00
Waves: 1.4 m
Current speed: 0.3 km/h
Water temperature: 22.7°C
05:00
Waves: 1.4 m
Current speed: 0.4 km/h
Water temperature: 22.6°C
11:00
Waves: 1.4 m
Current speed: 0.4 km/h
Water temperature: 22.8°C
17:00
Waves: 1.3 m
Current speed: 0.4 km/h
Water temperature: 23.3°C
23:00
Waves: 1.3 m
Current speed: 0.3 km/h
Water temperature: 22.9°C
05:00
Waves: 1.2 m
Current speed: 0.5 km/h
Water temperature: 22.7°C
11:00
Waves: 1.1 m
Current speed: 0.3 km/h
Water temperature: 22.9°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

Year-round

Peak month

Aug 20.6°

Jan15.1°
Feb15.0°
Mar15.2°
Apr15.7°
May16.9°
Jun18.2°
Jul19.8°
Aug20.6°
Sep20.4°
Oct19.3°
Nov17.6°
Dec15.8°
Current: mild
Typical visibility: 15 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

reefsalt Waterintermediate 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
Scythe butterflyfish
Prognathodes falcifer
DeepLog3
California golden gorgonian
Muricea californica
DeepLog2
Garibaldi damselfish
Hypsypops rubicundus
DeepLog2
Kellet whelk
Kelletia kelletii
DeepLog2
Black croaker
Cheilotrema saturnum
DeepLog1
California moray
Gymnothorax mordax
DeepLog1
Colonial cup coral
Coenocyathus bowersi
DeepLog1
Crowned sea urchin
Centrostephanus coronatus
DeepLog1
Cup coral
Astrangia haimei
DeepLog1
Egg yolk jelly
Phacellophora camtschatica
DeepLog1
Fragile star
Linckia columbiae
DeepLog1
Giant kelpfish
Heterostichus rostratus
DeepLog1
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS

Photos

Isthmus photo 2
Isthmus photo 3
Isthmus photo 4
Isthmus photo 5
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