Hawaii County Surf Forecast for December 19, 2025
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 7-10 | 6-8 | 6-8 | 6-8 |
| East Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Partly cloudy. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| Low Temperature | In the upper 60s. | |||||
| Winds | South winds 5 to 10 mph, becoming west after midnight. |
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| Weather | Mostly sunny. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the lower 80s. | |||||
| Winds | Southeast winds 5 to 10 mph. | |||||
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| Sunrise | 6:49 AM HST. | |||||
| Sunset | 5:45 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Tonight | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 3-5 | 3-5 | 3-5 | 3-5 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Mostly clear. |
|---|---|
| Low Temperature | In the lower 70s. |
| Winds | Southwest winds around 5 mph, becoming northwest in the evening, then becoming light and variable after midnight. |
Swell Summary
Two overlapping north-northwest swells with similar heights and periods will cause surf along north and west facing shores to peak into the early evening, then will gradually fade into Friday. A High Surf Advisory will remain in effect for north and west facing shores of Kauai, Oahu and Molokai and north facing shores of Maui through tonight. A combination of north-northwest and north swells will keep surf heights elevated through the weekend, then surf heights are expected to drop into early next week.
East facing shores will remain small given the lack of trade winds upstream of the islands, but areas exposed to the north swell will see an uptick through the rest of the week. As trade winds fill in later this weekend, east shores could become rough and choppy by early next week. Surf along south facing shores will remain small through this evening due to short period wind wave chop, mainly over the western islands along the boundary, but elsewhere should remain flat to tiny through the weekend into early next week.
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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