Hawaii County Surf Forecast for December 13, 2025
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Saturday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 3-5 | 3-5 | 3-5 | 3-5 |
| East Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| South Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| Weather | Mostly clear. Hazy. | ||||||
|---|---|---|---|---|---|---|---|
| Low Temperature | In the upper 60s. | ||||||
| Winds | Southeast winds around 10 mph, becoming southwest. |
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| Weather | Sunny. Hazy. | |||||
|---|---|---|---|---|---|---|
| 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 | Saturday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| South Facing | 0-2 | 0-2 | 0-2 | 0-2 |
Swell Summary
Current moderate, medium period NW swell gradually declines through Saturday. N pulse will move through today through Saturday in maintenance of elevated surf into weekend. A developing gale just NW of the offshore waters will send a similar moderate, medium period NW swell toward the state. This swell will advance through area waters Sunday and Monday increasing surf to the High Surf Advisory (HSA) threshold. A mix of smaller, medium period N swells will arrive this weekend. These swells maintain elevated surf along exposed N shorelines into early next week. Surf along E shores remains small during the next several days given the lack of trades. Expect minimal background surf for S shores. S and SW exposures will see increased short period fresh swell and wind waves emanating from strengthening SW flow ahead of the approaching front. This will particularly be the case for Kauai and Oahu.
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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