April 19, 2018 Surf Forecast
Outlook through Wednesday April 25: Rough moderate surf will persist along east facing shores through the weekend, with an increase to near the advisory level due early next week. A small northwest swell will build late Thursday, peak Friday, then slowly decline through the weekend. A moderate reinforcing northwest swell will peak on Monday then decline through mid week. Small pulses of south swell will continue through early next week.
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: Chest to shoulder high ENE wind swell.
Conditions: Light sideshore texture in the morning with SSE winds 5-10mph. Choppy/sideshore current conditions for the afternoon with the winds shifting SE 15-20mph.
Surf: Ankle to knee high SSW ground swell.
Conditions: Clean in the early morning with ESE winds less than 5mph. Semi choppy conditions move in during the morning hours with the winds shifting WSW 5-10mph.
Surf: Knee to thigh high SSW ground swell.
Conditions: Glassy in the morning with ESE 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 with occasional shoulder high sets.
Conditions: Glassy in the early morning with N winds less than 5mph. Semi choppy conditions move in during the morning hours with the winds shifting ENE 5-10mph.
**Click directly on the images below to make them larger. Charts include: Hawaii County projected winds, tides, swell direction & period and expected wave heights.**