United States
Portland
15–30 mMax Depth
boatEntry
1Species
Conditions Summary
Model forecast · local time (GMT-4)
Model conditions signal100/100
Waves
—
Swell
—
Current speed
0.2 km/h
flowing toward S
Water temperature
20.1°C
Wind
20.3 km/h
→ N
Sea level
-0.8 m
falling
WavesUnknown
SwellUnknown
Current speedCalm
Forecast Overview
Sat, Oct 17Calm
Waves—Current speed0.4 km/h maxWater temperature19.9°C
Sun, Oct 18Calm
Waves—Current speed0.4 km/h maxWater temperature19.0°C
Mon, Oct 19Calm
Waves—Current speed0.3 km/h maxWater temperature18.6°C
Tue, Oct 20Calm
Waves—Current speed0.3 km/h maxWater temperature18.3°C
Next 72 hours
Catalog depth15–30 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
May-Oct
Peak month
Aug 25.7°
Jan3.2°
Feb2.3°
Mar4.2°
Apr8.5°
May14.2°
Jun20.2°
Jul24.7°
Aug25.7°
Sep23.3°
Oct18.2°
Nov11.9°
Dec6.8°
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.
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Dive Types
wrecksalt 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
Red drum
Sciaenops ocellatus
DeepLog1
Anas platyrhynchos
Nearby OBIS observations52
blueback herring
Alosa aestivalis
Nearby OBIS observations40
Pandion haliaetus
Nearby OBIS observations20
alewife
Alosa pseudoharengus
Nearby OBIS observations16
Larus delawarensis
Nearby OBIS observations14
Haliaeetus leucocephalus
Nearby OBIS observations9
Lontra canadensis
Nearby OBIS observations9
Chrysaora chesapeakei
Nearby OBIS observations7
Leiostomus xanthurus
Nearby OBIS observations7
Brevoortia tyrannus
Nearby OBIS observations6
Callinectes sapidus
Nearby OBIS observations5
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS →