United Kingdom
Portland Harbour
8–14 mMax Depth
boatEntry
12Species
Conditions Summary
The marine forecast is temporarily unavailable. Confirm the actual briefing, entry, exit, and suitability with a local operator.
Dive readiness
Collecting the latest marine conditions and forecast signals.
Seasons · water temperature
12-month outlook
Best window
May-Sep
Peak month
Aug 17.1°
Jan9.5°
Feb8.6°
Mar8.4°
Apr9.5°
May11.3°
Jun13.7°
Jul15.8°
Aug17.1°
Sep17.0°
Oct15.6°
Nov13.3°
Dec11.0°
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
driftsalt 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
Broadnosed pipefish
Syngnathus typhle
DeepLog1
Eel-grass
Zostera marina
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European conger
Conger conger
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Glasswort
Salicornia europaea
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Greater pipefish
Syngnathus acus
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Northern lugworm
Arenicola marina
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Oyster drill
Ocenebra erinaceus
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Pacific bottlenose dolphin
Tursiops truncatus
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Red-banded jellyfish
Chrysaora hysoscella
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Sepia
Sepia officinalis
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Spotted sea hare
Aplysia punctata
DeepLog1
Whelk
Buccinum undatum
DeepLog1
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS →Photos
