Portnablagh

Ireland

Portnablagh

8–12 mMax Depth
shoreEntry
34Species

Conditions Summary

Model forecast · local time (GMT+1)

Model conditions signal71/100
Waves
1.2 m
10.4 s
Swell
0.9 m
8.5 s
Current speed
0.3 km/h
flowing toward NE
Water temperature
13.5°C
Wind
15.1 km/h
→ S
Sea level
-0.4 m
rising
WavesChallenging
SwellWatch
Current speedCalm

Forecast Overview

Sun, Oct 18Challenging
Waves1.2–1.2 mCurrent speed0.3 km/h maxWater temperature13.5°C
Mon, Oct 19Challenging
Waves1.1–1.8 mCurrent speed0.3 km/h maxWater temperature13.4°C
Tue, Oct 20Challenging
Waves1.5–1.7 mCurrent speed0.3 km/h maxWater temperature13.2°C
TodayChallenging
Waves1.9–2.7 mCurrent speed0.6 km/h maxWater temperature13.2°C
Next 72 hours
08:00
Waves: 1.2 m
Current speed: 0.3 km/h
Water temperature: 13.5°C
14:00
Waves: 1.2 m
Current speed: 0.2 km/h
Water temperature: 13.5°C
20:00
Waves: 1.2 m
Current speed: 0.3 km/h
Water temperature: 13.6°C
02:00
Waves: 1.1 m
Current speed: 0.3 km/h
Water temperature: 13.5°C
08:00
Waves: 1.4 m
Current speed: 0.3 km/h
Water temperature: 13.4°C
14:00
Waves: 1.8 m
Current speed: 0.0 km/h
Water temperature: 13.4°C
20:00
Waves: 1.8 m
Current speed: 0.2 km/h
Water temperature: 13.4°C
02:00
Waves: 1.7 m
Current speed: 0.2 km/h
Water temperature: 13.3°C
08:00
Waves: 1.6 m
Current speed: 0.2 km/h
Water temperature: 13.2°C
14:00
Waves: 1.5 m
Current speed: 0.3 km/h
Water temperature: 13.2°C
20:00
Waves: 1.5 m
Current speed: 0.3 km/h
Water temperature: 13.2°C
02:00
Waves: 2.3 m
Current speed: 0.4 km/h
Water temperature: 13.2°C
Catalog depth8–12 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 15.0°

Jan9.1°
Feb8.6°
Mar8.5°
Apr9.2°
May10.8°
Jun12.8°
Jul14.3°
Aug15.0°
Sep14.4°
Oct13.0°
Nov11.5°
Dec10.2°
Current: moderate
Typical visibility: 7.5 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 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

12 km · nearby observations
Red-banded jellyfish
Chrysaora hysoscella
DeepLog100
Red starfish
Asterias rubens
DeepLog7
Chamelea striatula
DeepLog5
Banded donax
Donax vittatus
DeepLog4
Plum anemone
Actinia equina
DeepLog4
Balthic macoma
Macoma balthica
DeepLog3
Bunodactis verrucosa
DeepLog3
Common edible cockle
Cerastoderma edule
DeepLog3
Faroe sunset shell
Gari fervensis
DeepLog3
Rayed trough shell
Mactra stultorum
DeepLog3
Blue mussel
Mytilus edulis
DeepLog2
Common limpet
Patella vulgata
DeepLog2
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS →

Photos

Portnablagh photo 2
Portnablagh photo 3
Portnablagh photo 4
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