Hawaii County Surf Forecast for October 15, 2025
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 4-6 | 3-5 | 3-5 | 3-5 |
| East Facing | 2-4 | 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 north after midnight. |
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| Weather | Partly sunny. Scattered showers. | ||||
|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | ||||
| Winds | East winds 5 to 10 mph. | ||||
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| Sunrise | 6:15 AM HST. | ||||
| Sunset | 5:57 PM HST. | ||||
Forecast for Big Island Leeward
| Shores | Tonight | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 3-5 | 2-4 | 2-4 | 2-4 |
| South Facing | 1-3 | 2-4 | 2-4 | 2-4 |
| Weather | Partly sunny until 6 PM, then partly cloudy. Scattered showers. |
|---|---|
| Low Temperature | In the lower 70s. |
| Winds | West winds around 5 mph, becoming northeast. |
Swell Summary
Moderate to long period NW (310-320) swell brought an early morning peak to N and W facing shores as indicated by the PacIOOS Buoy at Waimea Bay where observations hovered near the High Surf Advisory (HSA) threshold for much of the day. During the last few hours, energy has begun to consolidate in the lower energy bands even as the observed significant wave height remains rather steady. As such, the HSA will be expired this afternoon. Small, medium period S swell continues through the week with minor longer period pulses arriving tonight and Saturday. E shores remain small throught he near term, but will see increasing short period action as trades strengthen mid-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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