Hawaii County Surf Forecast for April 17, 2026
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| East Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| South Facing | 4-6 | 4-6 | 4-6 | 3-5 |
| Weather | Cloudy. A slight chance of showers. | ||||||
|---|---|---|---|---|---|---|---|
| Low Temperature | Around 70. | ||||||
| Winds | Northeast winds 5 to 10 mph. | ||||||
|
|||||||
| Weather | Cloudy. A slight chance of showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the lower 80s. | |||||
| Winds | Northeast 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 | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| South Facing | 3-5 | 3-5 | 3-5 | 2-4 |
| Weather | Mostly cloudy. A slight chance of showers. |
|---|---|
| Low Temperature | In the lower 70s. |
| Winds | Northwest winds 5 to 10 mph, becoming south after midnight. |
Swell Summary
A small, short-period, NNW swell fades this afternoon into tonight. Small background energy from the W this weekend into next week from Typhoon Sinlaku, but confidence remains low. A much larger NW to WNW swell is possible towards the end of next week as Typhoon Sinlaku transitions to extratropical early next week.
A small to moderate, medium-period, SSE swell boosts surf along S shores through Friday then lowers over the weekend. Surf along E shores remains below the seasonal average as trades remain light. However, increasing trades by week's end should brings a slight bump to surf. Low pressure advancing S along the W coast of the US next week then sends a small, medium period NE swell toward the islands by midweek.
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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