July 17, 2018 Surf Forecast
Photo: James Grenz
Swell Summary
Outlook through Tuesday July 24: Locally breezy trade winds may cause choppy surf along east facing shores to approach the High Surf Advisory criteria from Wednesday into Thursday. Surf along along east facing shores is expected to gradually lower from Friday through this weekend as the trade winds weaken. A series of reinforcing south and southwest swells will maintain small to moderate surf along south facing shores through Friday. Slightly larger and longer period south-southwest swells may cause surf to approach the High Surf Advisory along south facing shores from Saturday into Monday.
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: Stomach to shoulder high E wind swell.
Conditions: Sideshore texture/chop with SE winds 10-15mph.
North West
am 
pm 
Surf: Ankle to knee high SSW long period swell.
Conditions: Semi glassy in the morning with SW winds less than 5mph. Sideshore texture/chop conditions for the afternoon with the winds shifting WSW 10-15mph.
West
am 
pm 
Surf: Knee high SW ground swell for the morning with occasional thigh sets. This rotates more SSW and builds in the afternoon with sets up to stomach high.
Conditions: Semi glassy in the morning with SSE winds less than 5mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting to the W.
South East
am 
pm
Surf: Chest to shoulder high E wind swell.
Conditions: Light sideshore texture in the morning with NNE winds 5-10mph. Sideshore texture/chop conditions for the afternoon as the winds increase to 10-15mph.
Image: NOAA
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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