March 13, 2018 Surf Forecast
Photo: James Grenz
Swell Summary
Outlook through Monday March 19: A large, short period north swell will peak this evening at warning levels on north and east facing shores, then drop quickly Tuesday and Wednesday. However, during this time, strengthening trade winds will lead to rough, advisory level surf along east facing shores. Small north swells and a decreasing trade wind swell are expected during the second half of the 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.
North East
am 
pm 
Surf: Well overhead high N ground swell for the morning. This fades in the afternoon with sets up to 1-3′ overhead high.
Conditions: Fairly clean in the morning with S winds 10-15mph. Light sideshore texture conditions for the afternoon with the winds shifting SSE 5-10mph.
North West
am 
pm 
Surf: Knee to waist high N ground swell.
Conditions: Fairly clean in the morning with SSW winds 5-10mph. Light sideshore texture conditions for the afternoon with the winds shifting to the NE.
West
am pm 
Surf: Knee high NW ground swell for the morning with occasional thigh sets. The swell shifts to the S and fades a bit in the afternoon.
Conditions: Semi glassy/semi bumpy with S winds 5-10mph in the morning shifting NW less than 5mph in the afternoon.
South East
am 
pm 
Surf: Waist to chest high E short period wind swell in the morning builds to chest to shoulder high for the afternoon.
Conditions: Clean in the morning with NNW winds 5-10mph. Light sideshore texture conditions for the afternoon with the winds shifting to the NE.
Image: NOAA
Image: NOAA
Image: NOAA
Image: NOAA
Image: NOAA
**Click directly on the images below to make them larger. Charts include: Hawaii County projected winds, tides, swell direction & period and expected wave heights.**
Data Courtesy of NOAA.gov and SwellInfo.com
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