Hawaii County Surf Forecast for October 23, 2025
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Thursday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 5-7 | 5-7 | 5-7 | 5-7 |
| East Facing | 4-6 | 4-6 | 4-6 | 4-6 |
| South Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| Weather | Cloudy. Occasional showers. | |||||
|---|---|---|---|---|---|---|
| Low Temperature | In the lower 70s. | |||||
| Winds | Northwest winds around 5 mph. | |||||
|
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| Weather | Mostly cloudy. Occasional showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the lower 80s. | |||||
| Winds | North winds around 10 mph. | |||||
|
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| Sunrise | 6:17 AM HST. | |||||
| Sunset | 5:52 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Tonight | Thursday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| South Facing | 2-4 | 2-4 | 2-4 | 2-4 |
Swell Summary
The latest offshore buoy 51001 observations are showing slightly higher NNW long period swell energy moving into the Hawaii region that will swiftly build surf heights along north and west facing shores just above High Surf Advisory (HSA) thresholds. The surf forecast was updated to reflect these higher surf heights and a HSA was issued this evening for north and west facing shores of Kauai, Niihau, Oahu, Molokai; including north facing shores of Maui. This moderate, medium period NNW (330) swell will peak later tonight keeping surf heights just above the HSA thresholds through Thursday afternoon before falling below HSA thresholds by Thursday night.
The current swell will briefly decrease by Thursday night only to be followed by renewed long period energy from a larger and slightly more NNW (340) swell that will peak Friday into Saturday. This swell holds a higher probability of exceeding HSA thresholds for N and W facing shores Fri into Sat. Background medium to long period S to SSW swells will filter into the area through the week keeping surf along S facing shores from going flat. Rough, choppy surf along E shores will continue through the forecast period and will see a slight increase during the second half of the week into the weekend.
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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