Hawaii County Surf Forecast for August 25, 2025
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| East Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Mostly sunny until 6 PM, then mostly cloudy. Scattered showers. |
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|---|---|---|---|---|---|---|---|
| Low Temperature | Around 70. | ||||||
| Winds | East winds 5 to 10 mph, becoming northwest after midnight. |
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| Weather | Partly sunny. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | Northwest winds around 5 mph, becoming east in the afternoon. |
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| Sunrise | 6:03 AM HST. | |||||
| Sunset | 6:42 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Tonight | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Mostly sunny until 6 PM, then mostly cloudy until 12 AM, then partly cloudy. Hazy. Scattered showers. |
|---|---|
| Low Temperature | In the lower 70s. |
| Winds | Northwest winds around 5 mph, becoming north after midnight. |
| Weather | Mostly sunny. Hazy. Scattered showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | Southwest winds around 5 mph, becoming northwest in the afternoon. |
| Sunrise | 6:07 AM HST. |
| Sunset | 6:46 PM HST. |
Swell Summary
Small swell energy emanating from the southerly quadrant slowly declines into Monday. A series of small longer period S swells then arrive by Tuesday providing a modest boost to S shore surf through Friday. Surf along N and W facing shores remains nearly flat while surf along E shores will remain characterized by short period chop.
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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