Hawaii County Surf Forecast for December 12, 2025
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 6-8 | 5-7 | 4-6 | 3-5 |
| East Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Mostly clear. Isolated showers. | ||||||
|---|---|---|---|---|---|---|---|
| Low Temperature | In the upper 60s. | ||||||
| Winds | Southeast winds around 10 mph, becoming west. |
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| Weather | Sunny. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the lower 80s. | |||||
| Winds | Southwest winds around 5 mph, becoming southeast in the afternoon. |
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| Sunrise | 6:45 AM HST. | |||||
| Sunset | 5:43 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Tonight | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 2-4 | 2-4 | 1-3 | 1-3 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Mostly clear. |
|---|---|
| Low Temperature | In the upper 60s. |
| Winds | West winds around 5 mph early, becoming light and variable, then becoming southeast around 5 mph after midnight. |
Swell Summary
A moderate size, medium period northwest swell peaked this morning and will continue to gradually decline this evening through Friday. Another moderate, long period northwest swell that will be generated from a developing gale low just northwest of the offshore waters late Friday will move into the region Sunday and Monday. In addition, a mix of small to moderate size, medium period north swells will arrive this weekend, with a stronger pulse expected late Sunday into Monday, keeping surf heights elevated into early next week. Due to the mix of these swells, surf heights may approach advisory levels from late Sunday into early next week.
East shore surf will remain small through the forecast period due to the absence of trade winds, though locations exposed to north swells could see an uptick early next week. Expect minimal background surf for south facing shores. Southwestern exposures on primarily Kauai and Oahu may receive small to moderate choppy windswell this weekend from strengthening southwest winds ahead of an approaching front.
NORTH EAST
am 
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Semi choppy with ESE winds 5-10mph in the morning increasing to 10-15mph in the afternoon.
NORTH WEST
am 
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Clean in the early morning with ESE winds less than 5mph. Bumpy/semi bumpy conditions move in during the morning hours with the winds shifting W 5-10mph.
WEST
am 
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy in the morning with N winds less than 5mph. Bumpy/semi bumpy conditions for the afternoon with the winds shifting WNW 5-10mph.
SOUTH EAST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Light sideshore texture in the morning with NE winds 10-15mph. This becomes Sideshore texture/chop for the afternoon.
Data Courtesy of NOAA.gov and SwellInfo.com
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