Finland
Tervasaari
About this Dive Site
Description
Discover the unique underwater cave formations at Tervasaari, a dive site on the Hanko Peninsula. This location boasts a rich variety of marine life, including numerous species of crabs and shellfish, with visibility that can fluctuate based on weather conditions.
Best Time to Dive
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2°C | 2°C | 4°C | 7°C | 12°C | 17°C | 20°C | 19°C | 16°C | 12°C | 8°C | 4°C |
Peak Season
May, June, July, August, September
Jan
Cold water, potential for ice near shore.
Feb
Cold water, potential for ice near shore.
Mar
Ice breaking up, visibility can be variable.
Apr
Spring melt, clearer waters, increasing marine life.
More monthly highlights
May
Good visibility, start of seal sightings.
Jun
Excellent visibility, abundant seal activity.
Jul
Warmest water, great for longer dives.
Aug
Continued good conditions, potential for plankton blooms affecting visibility slightly.
Sep
Water cools, visibility often improves again, good seal encounters.
Oct
Autumn diving, good visibility, seals still present.
Nov
Cold water diving, visibility can be good.
Dec
Very cold water, potential for ice formation.
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