Today's Tulliniemi (Hanko) sea temperature is 14.6 °C
(1.9°C warmer than normal for this time of year)
| Mean: | 12.7 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 9.0 °C to 16.0 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 24 Jun (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a spring wetsuit and neoprene boots.
The Tulliniemi (Hanko) water temperature is rather cool (14 °C) and the air temperature will feel about the same. A good quality spring wetsuit with optional neoprene boots should suffice. No need for wetsuit gloves.
 Map of current Finland Surface Water Temperatures (based on measurements from oceanographic satellites) |  Map of current Finland Sea Water Temperature Anomalies (compared with long term averages at this time of year) |
click thumbnails to expand
Below is a graph of Historical Sea Surface Temperature for Tulliniemi (Hanko). This has been derived from analysis of two decades of oceanographic satellite measurements of nearby open water. We have calculated the average water temperature variation around the year as well as the extremes that have been observed on each date.
All of the graphs for the surf breaks presented on Surf-Forecast.com are on the same scale to enable comparison between locations around the world.
Tulliniemi sea water temperatures peak in the range 15 to 22°C (59 to 72°F) on around the 30th of July and are at their lowest on about the 17th of February, in the range -1 to 2°C (30 to 36°F). The highest seasonal sea water temperatures at Tulliniemi at the tail of July lend themselves to a 4/3mm wetsuit or a 3/2mm suit and 3mm neoprene boots. The lowest sea water temperatures at Tulliniemi mean that you will need a flexible 6/5/4mm wetsuit or a well fitting 5/4mm wetsuit with gloves and 5mm neoprene booties and a hood to surf here in the middle of February.
Actual sea surface water temperatures close to shore at Tulliniemi (Hanko) can vary by several degrees compared with these open water averages. This is especially true after heavy rain, close to river mouths or after long periods of strong offshore winds. Offshore winds cause colder deep water to replace surface water that has been warmed by the sun. Air temperature, wind-chill and sunshine should also be considered before deciding on the kind of wetsuit needed to stay warm when surfing at Tulliniemi (Hanko). Refer to our detailed weather forecasts for this information.
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