Outlook through Saturday May 12: A new short period north northwest swell is expected to arrive Sunday night, peak Monday, then lower gradually Monday night. A slightly larger and longer period north swell is expected to arrive late Monday, peak Monday night and early Tuesday, then lower gradually Tuesday night and Wednesday. Another smaller long period north northwest swell is expected during the Wednesday night through Friday time frame. There will be a series of small, mainly background southerly swells through most of next week. Strengthening trade winds early next week will cause an increase in short period choppy surf along east facing shores.
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
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Surf: Waist to stomach high ESE wind swell with occasional chest high sets.
Conditions: Semi choppy in the morning with ESE winds 5-10mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting to the E.
North West
ampm
Surf: Ankle to knee high SW long period swell.
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Conditions: Semi glassy/semi bumpy in the morning with N winds less than 5mph. Sideshore texture/chop conditions for the afternoon with the winds shifting SW 15-20mph.
West
ampm
Surf: Knee to thigh high SW medium period swell for the morning going more S during the day.
Conditions: Glassy in the early morning with W winds less than 5mph. Semi choppy conditions move in during the morning hours with the winds shifting S 5-10mph.
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South East
ampm
Surf: Waist high ESE wind swell with occasional chest high sets.
Conditions: Semi choppy with ENE winds 5-10mph.
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.**
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