Surf Forecast Surf Report
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Tjornuvik Bay (Streymoy) Surf Stats

All swells

(any wind direction)

Good Surf

(light / offshore wind)

This image shows the combination of swells directed at Tjornuvik Bay (Streymoy) through an average March, based on 3460 NWW3 model predictions since 2007 (values every 3 hours). The wave model does not forecast wind and surf right at the coast so we have chosen the most applicable grid node based on what we know about Tjornuvik Bay (Streymoy), and at Tjornuvik Bay (Streymoy) the best grid node is 24 km away (15 miles). The rose diagram illustrates the distribution of swell sizes and swell direction, while the graph at the bottom shows the same thing but without direction information. Five colours show increasing wave sizes. The smallest swells, less than 0.5m (1.5 feet), high are coloured blue. These happened only 70% of the time. Green and yellow show increasing swell sizes and red illustrates the biggest swells, greater than >3m (>10ft). In both graphs, the area of any colour is proportional to how commonly that size swell was forecast. The diagram implies that the prevailing swell direction, shown by the longest spokes, was NNW, whereas the the prevailing wind blows from the SW. Because the wave model grid is offshore, sometimes a strong offshore wind blows largest waves away from Tjornuvik Bay (Streymoy) and away from the coast. We lump these in with the no surf category of the bar chart. To avoid confusion we don't show these in the rose diagram. Because wind determines whether or not waves are surfable at Tjornuvik Bay (Streymoy), you can select a similar diagram that shows only the swells that were forecast to coincide with glassy or offshore wind conditions. In a typical March, swells large enough to cause good for surfing waves at Tjornuvik Bay (Streymoy) run for about 30% of the time.

Also see Tjornuvik Bay (Streymoy) wind stats

Compare Tjornuvik Bay (Streymoy) with another surf break

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