Haleiwa/Toilet Bowl Wind Stats

The figure illustrates how often and how strongly the wind blows from different directions over a normal May. The largest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with the strongest winds shown by the darkest shade of blue. It is based on 3440 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Haleiwa/Toilet Bowl, located 42 km away (26 miles). There are not enough recording stations world wide to use actual wind data. No doubt some coastal places have very localized wind effects that would not be predicted by NWW3. According to the model, the dominant wind at Haleiwa/Toilet Bowl blows from the NW. If the rose diagram shows a close to circular outline, it means there is no strong bias in wind direction at Haleiwa/Toilet Bowl. Converseley, dominant spokes represent favoured directions, and the more the darkest shade of blue, the stronger the wind. Spokes point in the direction the wind blows from. During a typical May, the model suggests that winds are light enough for the sea to be glassy (light blue) about 7% of the time (2 days each May) and blows offshore 16% of the time (5 days in an average May). Over an average May winds exceeding >40kph (25mph) are not expected, but 1 have winds on the range 30-40 (19-25) at Haleiwa/Toilet Bowl

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