Hawaii County Surf Forecast for August 10, 2025
Forecast for Big Island Windward and Southeast
HIGH SURF ADVISORY FOR SOUTH FACING SHORES
| Shores | Tonight | Sunday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 2-4 | 2-4 | 2-4 | 1-3 |
| East Facing | 2-4 | 4-6 | 4-6 | 6-8 |
| South Facing | 10-14 | 10-14 | 10-14 | 8-12 |
| Weather | Partly cloudy. Isolated showers. | ||||||
|---|---|---|---|---|---|---|---|
| Low Temperature | In the lower 70s. | ||||||
| Winds | East winds 5 to 10 mph, becoming south after midnight. |
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| Weather | Mostly sunny. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | Southeast winds 5 to 10 mph. | |||||
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| Sunrise | 5:59 AM HST. | |||||
| Sunset | 6:52 PM HST. | |||||
Forecast for Big Island Leeward
HIGH SURF ADVISORY FOR SOUTH FACING SHORES
| Shores | Tonight | Sunday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 5-7 | 7-10 | 7-10 | 5-7 |
| South Facing | 10-14 | 10-14 | 10-14 | 8-12 |
| Weather | Mostly cloudy. Hazy. Scattered showers. |
|---|---|
| Low Temperature | In the lower 70s. |
| Winds | Northwest winds around 5 mph, becoming northeast after midnight. |
Swell Summary
The long period south swell that has been bringing above advisory level surf throughout the day is expected to peak tonight near warning levels. A recent spike at the buoys confirms near warning level surf continuing through tonight and into tomorrow morning. If the buoys increase any higher, a high surf warning will be needed. A High Surf Advisory (HSA) remains in effect for all south- facing shores through Sunday night. This swell will gradually fade into next week.
Surf along east facing shores should remain small today due to the lighter trade winds. Tropical Storm Henriette will pass far east of the state tonight, sending a medium period east swell. This swell could briefly increase the east facing shores Sunday before subsiding Monday. Below average east shore surf is expected Tuesday into Wednesday next week. A medium period northeast swell will be possible by Thursday.
Tiny surf along north facing shores will trend down tonight before another tiny pulse arrives tomorrow. Another small northwest swell is expected to arrive Sunday night into Monday.
NORTH EAST
am 
pm 
Surf: Chest to shoulder high N short period wind swell for the morning going more NNE and building into the chest to head range in the afternoon.
Conditions: Bumpy/choppy with NNE winds 15-20mph in the morning shifting NNW for the afternoon.
NORTH WEST
am 
pm
Surf: Waist to chest high N short period wind swell.
Conditions: Choppy/disorganized with NNE winds 10-15mph in the morning increasing to 20-25mph in the afternoon.
WEST
am 
pm 
Surf: Knee high NW short period wind swell in the morning with occasional thigh high sets. This drops a bit in the afternoon.
Conditions: Glassy in the morning with ESE winds less than 5mph. Semi glassy conditions for the afternoon with the winds shifting to the SSE.
SOUTH EAST
am 
pm 
Surf: Knee high ENE short period wind swell in the morning builds in the afternoon with occasional sets up to waist high.
Conditions: Sideshore/choppy with NNE winds 15-20mph in the morning shifting N 20-25mph in the afternoon.
Data Courtesy of NOAA.gov and SwellInfo.com
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