Hawaii County Surf Forecast for July 18, 2021
Forecast for Big Island Leeward
| Shores | Today | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 2-4 | 2-4 | 1-3 | 1-3 |
| South Facing | 5-7 | 5-7 | 4-6 | 4-6 |
| Weather | Partly cloudy until 12 AM, then mostly cloudy. Scattered showers. |
|---|---|
| Low Temperature | In the lower 70s. |
| Winds | Southeast winds around 5 mph, becoming east after midnight. |
Swell Summary
The current south swell will maintain surf heights near or above the summer average along south facing shores into Monday. This south swell will gradually subside from Monday night through Wednesday, returning surf along south facing shores to below normal summertime heights by mid-week. The strengthening trade winds will result in slightly elevated, rough surf along east facing shores through the first half of the new week. Besides some localized wrap of trade wind swell, surf along most north facing shores will remain nearly flat through mid-week.
NORTH EAST
am 
pm 
Surf: Knee to waist high ENE short period wind swell in the morning builds to waist to stomach high for the afternoon.
Conditions: Sideshore texture/chop with SE winds 5-10mph in the morning shifting ESE 10-15mph in the afternoon.
NORTH WEST
am 
pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Clean in the morning with SE winds less than 5mph. Semi choppy conditions for the afternoon with the winds shifting WSW 5-10mph.
WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Glassy in the morning with ESE winds less than 5mph. Bumpy/semi bumpy conditions for the afternoon with the winds shifting WNW 5-10mph.
SOUTH EAST
am 
pm
Surf: Knee to waist high E short period wind swell with occasional stomach high sets.
Conditions: Light sideshore texture in the morning with NNE winds 10-15mph. Sideshore texture/chop conditions for the afternoon with the winds shifting to the NE.
Data Courtesy of NOAA.gov and SwellInfo.com
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