May 12, 2018 Surf Forecast
Outlook through Friday May 18: A series of small north-northwest swells will continue through early next week. Small background south-southwest swells will persist through the weekend, followed by a moderate long period south swell that will peak Monday and Tuesday. Small east shore surf is expected increase to moderate levels as trade winds rebuild this weekend.
Surf heights are forecast heights of the face, or front, of waves. The surf forecast is based on the significant wave height, the average height of the one third largest waves, at the locations of the largest breakers. Some waves may be more than twice as high as the significant wave height. Expect to encounter rip currents in or near any surf zone.
Surf: Waist to chest high NNW ground swell.
Conditions: Bumpy/semi bumpy with E winds 5-10mph.
Surf: Ankle to knee high SSW ground swell.
Conditions: Glassy in the morning with E winds less than 5mph. Sideshore texture/chop conditions for the afternoon with the winds shifting SW 10-15mph.
Surf: Knee high S long period swell with occasional thigh high sets.
Conditions: Glassy in the morning with SW winds less than 5mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting SSW 5-10mph.
Surf: Waist to chest high E wind swell.
Conditions: Sideshore texture/chop with NE winds 10-15mph.
**Click directly on the images below to make them larger. Charts include: Hawaii County projected winds, tides, swell direction & period and expected wave heights.**