Surf Forecast Surf Report
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Second Beach (Port St Johns) Wind Stats

Wind Stats

(% offshore)

All Swells

(any wind direction)

The rose diagram shows how often and how strongly the wind blows from different directions over a normal March. 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 deep blue. It is based on 3460 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Second Beach (Port St Johns), located 41 km away (25 miles). There are too few recording stations world wide to use actual wind data. Without question some coastal places have very localized wind effects that would not be predicted by NWW3. According to the model, the prevailing wind at Second Beach (Port St Johns) blows from the SE. If the rose plot shows a nearly round shape, it means there is no strong bias in wind direction at Second Beach (Port St Johns). Converseley, dominant spokes represent favoured directions, and the more dark blue, the stronger the wind. Spokes point in the direction the wind blows from. During a typical March, the model suggests that winds are light enough for the sea to be glassy (pale blue) about 6% of the time (2 days each March) and blows offshore 10% of the time (3 days in an average March). Over an average March winds stronger than >40kph (25mph) are expected on 2 days at Second Beach (Port St Johns)

Also see Second Beach (Port St Johns) surf stats

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