Hawaii County Surf Forecast for August 29, 2025
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| East Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| South Facing | 3-5 | 3-5 | 3-5 | 3-5 |
| Weather | Mostly sunny until 6 PM, then mostly cloudy. Scattered showers. |
|||||
|---|---|---|---|---|---|---|
| Low Temperature | Around 70. | |||||
| Winds | East winds 5 to 10 mph. | |||||
|
||||||
| Weather | Sunny. Isolated showers. | ||||||
|---|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | ||||||
| Winds | East winds 5 to 10 mph. | ||||||
|
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| Sunrise | 6:04 AM HST. | ||||||
| Sunset | 6:38 PM HST. | ||||||
Forecast for Big Island Leeward
| Shores | Tonight | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| South Facing | 3-5 | 3-5 | 3-5 | 3-5 |
| Weather | Mostly cloudy. Hazy. Scattered showers. |
|---|---|
| Low Temperature | In the lower 70s. |
| Winds | Northwest winds around 5 mph, becoming south in the evening, then becoming light and variable after midnight. |
| Weather | Sunny. Hazy. Isolated showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | Northwest winds around 5 mph. |
| Sunrise | 6:08 AM HST. |
| Sunset | 6:42 PM HST. |
Swell Summary
A small, long period south swell will peak this evening into Friday with surf heights along south facing shores near summer average before declining over the weekend and into early next week. A smaller portion of this long period south swell energy will wrap around into west facing shores.
A brief gale force low developing north of Hawaii will generate some small, short period swell that will arrive late this weekend and bring a slight uptick in surf along north facing shores. This swell will be overshadowed by some longer period energy out of the northwest generated by a storm force low developing near Kamchatka that will arrive around September 2nd.
Below average surf expected to continue along east facing shores due to gentle to moderate trade winds persisting through early next week.
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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