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Conditions at Honolua Bay in March
March: Late Winter, Still Thumping
March keeps Honolua in the game. Average swell height is 1.8m (about 6ft) and the period remains a solid 11.7s, comfortably in the powerful long-period band. The direction rose is more balanced, with NNW at 19.7%, NE at 19.1%, ENE at 18.9%, and NNE at 17.9%. Even though the trade-wind swell is rising, the N/NNW/NW combination still yields about 32% of the month's energy from ideal directions, and late-winter frontal systems can still produce strong 5-7ft (1.5-2.1m) pulses.
Trade winds are ramping up for spring: ENE is at 48.6% and NE at 17.2%, with many observations in the 20-30kph and 30-40kph classes. Offshore southwest flow drops toward 8%, and the ideal wind index falls to 24%. This means fewer clean windows, but the late-season northwest groundswell can still override the average conditions. Water temperature is 24.0°C, air temperature averages 23.1°C, and rainfall increases to 2.57 mm/day.
Average Spot conditions at Honolua Bay in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Honolua Bay during March. Based on historical data, there is a % probability of groundswell occurring this month. The chart below provides a detailed breakdown of the average wave height distribution, offering deep insights into the swell quality and surf potential you can expect at Honolua Bay for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Honolua Bay for March. Our analysis shows that favorable offshore or side-shore winds coincide with surfable swell approximately % of the time. The accompanying graph illustrates the average size distribution of waves during these optimal wind windows at Honolua Bay.