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North Haven Notations
Qualité quand ça marche: 3.0
Consistance des Vagues: 5.0
Niveau de Difficulté: 1.0
Foule a l'Eau: 3.0

Général: 3.3

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Surf Report Feed

Statistiques de Houle pour North Haven, Printemps: Vagues avec Vents Légers ou Favorables.

This image shows only the swells directed at North Haven that coincided with light winds or offshore conditions through a typical southern hemisphere spring. It is based on 8724 predictions, one every 3 hours. The direction of the spokes show where quality surf generating swell comes from. Five colours show increasing wave sizes. The smallest swells, less than 0.5m (1.5 feet), high are coloured blue. Green and yellow represent 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 occurs.

The diagram implies that the dominant swell direction, shown by the biggest spokes, was SE, whereas the the prevailing wind blows from the NE. The chart at the bottom shows the same thing but without direction information. For example, swells larger than 1.5 feet (0.5m) coincided with good wind conditions 31% of the time, equivalent to 28 days. Open water swells exceeding >3m (>10ft) only happen 1.3% of the time in a typical southern hemisphere spring, equivalent to just one day but 9% of the time we expect swell in the range 2-3m (6.5-10ft) 9%, equivalent to (8 days). Taking into account the fraction of these swells that coincided with forecast offshore winds, and given the fact that North Haven is exposed to open water swells, we calculate that clean surf can be found at North Haven about 31% of the time and that surf is blown out by onshore wind 50% of the time. This is means that we expect 74 days with waves in a typical southern hemisphere spring, of which 28 days should be surfable.

IMPORTANT: Beta version feature! Swell heights are open water values from NWW3. There is no attempt to model near-shore effects. Coastal wave heights will generally be less, especially if the break does not have unobstructed exposure to the open ocean.

FEATURE UPDATE: we now show red swell icons for 'open sea' swells that are travelling in an unfavourable direction for the surf break. In places, these swells may still wrap around coastlines and produce smaller waves at some breaks. They are also significant for windsurfers and other water users that tend to venture further off-shore.