Hawaii County Surf Forecast for January 17, 2025
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| East Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| South Facing | 2-4 | 3-5 | 5-7 | 6-8 |
| Weather | Mostly sunny until 6 PM, then mostly cloudy until 12 AM, then partly cloudy. Isolated showers. |
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|---|---|---|---|---|---|---|---|
| Low Temperature | In the mid 60s. | ||||||
| Winds | South winds 5 to 10 mph, becoming southwest after midnight. |
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| Weather | Mostly sunny. Hazy. Scattered showers and a slight chance of thunderstorms. |
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|---|---|---|---|---|---|---|
| High Temperature | In the upper 70s. | |||||
| Winds | West winds around 5 mph, becoming east in the afternoon. |
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| Sunrise | 6:57 AM HST. | |||||
| Sunset | 6:02 PM HST. | |||||
Forecast for Big Island Leeward
HIGH SURF WARNING FOR WEST FACING SHORES
| Shores | Tonight | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 2-4 | 3-5 | 5-7 | 8-12 |
| South Facing | 2-4 | 3-5 | 5-7 | 6-8 |
| Weather | Mostly sunny until 12 PM, then mostly cloudy. Hazy. Scattered showers and a slight chance of thunderstorms. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | Light and variable winds, becoming northwest around 10 mph in the afternoon. |
| Sunrise | 7:01 AM HST. |
| Sunset | 6:06 PM HST. |
Swell Summary
A new long-period west-northwest to northwest swell (300 degree to 320 degree) should steadily fill in tonight into Friday and will produce warning level surf across most north and west facing shores on Friday and likely through at least the first half of Saturday. This swell is expected to peak Friday afternoon through the evening. The swell will gradually decline from late Saturday into Monday, followed by a slightly smaller northwest swell by next Wednesday.
An out of season south swell continues to slowly fill in this afternoon and will continue to fill in throughout the day Friday. South shore surf will rise slightly above summertime average levels during the peak of the swell from Friday afternoon to early Saturday. This swell will gradually decline over the weekend.
East shore surf will remain small as trade winds become disrupted. Rough east shore surf will rebuild Saturday night and Sunday as northeasterly trade winds strengthen, then decline again early next week as trade winds ease. Select surf spots should see some wrap from the large northwest swell building on Friday.
NORTH EAST
am 
pm 
Surf: Chest to shoulder high N short period wind swell for the morning going more NNE and building into the chest to head range in the afternoon.
Conditions: Bumpy/choppy with NNE winds 15-20mph in the morning shifting NNW for the afternoon.
NORTH WEST
am 
pm
Surf: Waist to chest high N short period wind swell.
Conditions: Choppy/disorganized with NNE winds 10-15mph in the morning increasing to 20-25mph in the afternoon.
WEST
am 
pm 
Surf: Knee high NW short period wind swell in the morning with occasional thigh high sets. This drops a bit in the afternoon.
Conditions: Glassy in the morning with ESE winds less than 5mph. Semi glassy conditions for the afternoon with the winds shifting to the SSE.
SOUTH EAST
am 
pm 
Surf: Knee high ENE short period wind swell in the morning builds in the afternoon with occasional sets up to waist high.
Conditions: Sideshore/choppy with NNE winds 15-20mph in the morning shifting N 20-25mph in the afternoon.
Data Courtesy of NOAA.gov and SwellInfo.com
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