Hawaii County Surf Forecast for August 20, 2021
Forecast for Big Island Leeward
| Shores | Today | Saturday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 3-5 | 3-5 | 3-5 | 3-5 |
| South Facing | 4-6 | 4-6 | 3-5 | 3-5 |
| Weather | Mostly sunny until 12 PM, then mostly cloudy. Scattered showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | Southeast winds around 5 mph, becoming southwest in the afternoon. |
| Sunrise | 6:06 AM HST. |
| Sunset | 6:49 PM HST. |
| Weather | Mostly sunny until 12 PM, then mostly cloudy. Scattered showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | Southwest winds around 5 mph. |
| Sunrise | 6:06 AM HST. |
| Sunset | 6:48 PM HST. |
Swell Summary
The current south swell will continue to slowly decline over the next couple of days. A series of small, moderate- period south swells will prevent surf from going flat into early next week.
The easterly swell from Linda will maintain moderate surf along east facing shores through the weekend. Surf heights may approach advisory levels for the eastern half of the island chain late Saturday and Sunday, before reaching the western half Sunday through Sunday night. There is still much uncertainty whether large wind waves will develop as the remnants of Linda approach the island chain due to potential changes in its track.
NORTH EAST
am 
pm
Surf: Ankle high ENE short period wind swell in the morning builds a bit for the afternoon.
Conditions: Light sideshore texture in the morning with SSE winds 5-10mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting ENE less than 5mph.
NORTH WEST
am 
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Clean in the morning with SSE winds less than 5mph. Light sideshore texture conditions for the afternoon with the winds shifting SW 5-10mph.
WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy in the morning with SE winds less than 5mph. Glassy conditions for the afternoon with the winds shifting to the WSW.
SOUTH EAST
am pm 
Surf: Ankle high E short period wind swell in the morning builds to knee to thigh high for the afternoon.
Conditions: Fairly clean in the morning with N winds 5-10mph. Sideshore texture/chop conditions for the afternoon with the winds shifting NNE 15-20mph.
Data Courtesy of NOAA.gov and SwellInfo.com
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