Hawaii County Surf Forecast for December 15, 2025
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 7-10 | 7-10 | 7-10 | 7-10 |
| East Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Partly cloudy. Isolated showers. | |||||
|---|---|---|---|---|---|---|
| Low Temperature | In the upper 60s. | |||||
| Winds | Southeast winds 5 to 10 mph. | |||||
|
||||||
| Weather | Mostly cloudy. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the lower 80s. | |||||
| Winds | Southeast winds around 10 mph. | |||||
|
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| Sunrise | 6:47 AM HST. | |||||
| Sunset | 5:44 PM HST. | |||||
Forecast for Big Island Leeward
HIGH SURF WARNING FOR WEST FACING SHORES
| Shores | Tonight | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 4-6 | 4-6 | 6-8 | 8-12 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Partly sunny until 6 PM, then partly cloudy until 12 AM, then mostly cloudy. Isolated showers. |
|---|---|
| Low Temperature | In the lower 70s. |
| Winds | South winds around 5 mph, becoming north after midnight. |
Swell Summary
Incoming large, medium period WNW (290-300) swell registered higher than anticipated at offshore NDBC Buoys 51101 and 51001 this afternoon prompting an upward revision to surf values for N and W facing shores of Kauai and Oahu and N facing shores of Maui as swell rapidly builds this evening. It is not out of the question that surf briefly touches the High Surf Warning threshold as it peaks overnight but uncertainty and borderline nature precludes an upgrade to a warning at this time. The surf forecast was likewise revised upward for W facing shores of Leeward Big Island where the 290-300 degree trajectory is favorable for building surf there by Monday morning. A High Surf Warning has been issued for these zones. A combination of moderate northwest and north swells will keep surf elevated through the week.
E facing shores remain tiny to small given the lack of trade winds but shorelines exposed to N swell energy may remain slightly elevated through Wednesday. Surf along S shores increases due to short period wind wave chop, mainly over the western islands associated with the passing 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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