Hawaii County Surf Forecast for April 17, 2025
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Thursday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 1-3 | 1-3 | 1-3 | 2-4 |
| East Facing | 2-4 | 2-4 | 1-3 | 1-3 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Mostly cloudy. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| Low Temperature | In the upper 60s. | |||||
| Winds | Southeast winds 5 to 10 mph. | |||||
|
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| Weather | Partly sunny. Isolated showers and thunderstorms. |
||||
|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | ||||
| Winds | Southeast winds 5 to 10 mph. | ||||
|
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| Sunrise | 6:01 AM HST. | ||||
| Sunset | 6:39 PM HST. | ||||
Forecast for Big Island Leeward
| Shores | Tonight | Thursday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 0-2 | 0-2 | 0-2 | 1-3 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Mostly cloudy. Hazy. Scattered showers. |
|---|---|
| Low Temperature | In the upper 60s. |
| Winds | North winds around 5 mph in the evening, becoming light and variable. |
Swell Summary
Surf along exposed north and west facing shores will trend up Thursday as a fresh north-northwest arrives and builds down the island chain. Surf may near the advisory levels for exposed north and west facing shores Thursday night into Friday as this swell peaks. A downward trend is then expected over the weekend, with the swell shifting out of north. Surf along east facing shores will remain below average through Friday, then potentially begin to trend up over the weekend. Surf along south facing shores will remain small, with mainly overlapping background south swells moving through. A larger pulse of south-southwest swell may arrive Tuesday.
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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