Hawaii County Surf Forecast for August 15, 2026
Forecast for Big Island Windward and Southeast
HIGH SURF WARNING FOR EAST FACING SHORES
| Shores | Tonight | Saturday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 2-4 | 2-4 | 3-5 | 4-6 |
| East Facing | 9-12 | 12-16 | 12-16 | 15-20 |
| South Facing | 5-7 | 6-8 | 14-18 | 15-20 |
| Weather | Cloudy. Showers. | ||||||
|---|---|---|---|---|---|---|---|
| Low Temperature | In the mid 70s. | ||||||
| Winds | North winds around 20 mph. | ||||||
|
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| Weather | Cloudy. Showers and a slight chance of thunderstorms. |
|||||
|---|---|---|---|---|---|---|
| High Temperature | In the lower 80s. | |||||
| Winds | Windy. Northeast winds 30 to 35 mph. | |||||
|
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| Sunrise | 6:01 AM HST. | |||||
| Sunset | 6:49 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Tonight | Saturday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 3-5 | 3-5 | 2-4 | 2-4 |
| South Facing | 5-7 | 5-7 | 4-6 | 4-6 |
| Weather | Partly cloudy until 12 AM, then mostly cloudy. Isolated showers. |
|---|---|
| Low Temperature | In the lower 70s. |
| Winds | South winds 5 to 10 mph, becoming east around 15 mph after midnight. |
| Weather | Mostly cloudy. Showers and a slight chance of thunderstorms. |
|---|---|
| High Temperature | In the upper 80s. |
| Winds | Windy. West winds around 15 mph, increasing to northeast around 30 mph in the afternoon. |
| Sunrise | 6:05 AM HST. |
| Sunset | 6:53 PM HST. |
Swell Summary
Surf initially trends slowly upward for E shores in response to strengthening trades, but will quickly build tonight as Lala approaches. The High Surf Warning remains in effect for E facing shores of the Big Island and Maui as well as the SE facing coasts of the Puna and Ka'u Districts where surf will be maximized. Surf is also forecast to reach low end warning critiera for E facing shores of Oahu and Molokai and the advisory threshold for Kauai. Accordingly, the High Surf Warning has been expanded to include Oahu and Molokai and a High Surf Advisory has been issued for E facing shores of Kauai.
For N shores, anticipate choppy conditions with swell energy wrapping from the east through the weekend. For S shores, surf will remain below the advisory threshold and will slowly diminish until another long period south swell arrives lat .
NORTH EAST
NORTH WEST
WEST
SOUTH EAST
Data Courtesy of NOAA.gov and SwellInfo.com



