Hawaii County Surf Forecast for April 22, 2026
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 4-6 | 6-8 | 7-10 | 7-10 |
| East Facing | 4-6 | 6-8 | 6-8 | 6-8 |
| South Facing | 1-3 | 2-4 | 2-4 | 2-4 |
| Weather | Mostly sunny until 6 PM, then mostly cloudy until 12 AM, then partly cloudy. Isolated showers. |
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|---|---|---|---|---|---|---|---|
| Low Temperature | Around 70. | ||||||
| Winds | Southeast winds 5 to 10 mph, becoming west after midnight. |
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| Weather | Sunny. | ||||
|---|---|---|---|---|---|
| High Temperature | In the lower 80s. | ||||
| Winds | Northeast winds 5 to 10 mph. | ||||
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| Sunrise | 5:57 AM HST. | ||||
| Sunset | 6:40 PM HST. | ||||
Forecast for Big Island Leeward
| Shores | Tonight | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 2-4 | 2-4 | 3-5 | 3-5 |
| South Facing | 1-3 | 2-4 | 2-4 | 2-4 |
| Weather | Mostly sunny until 6 PM, then mostly cloudy until 12 AM, then partly cloudy. Isolated showers. |
|---|---|
| Low Temperature | Around 70. |
| Winds | West winds around 5 mph, becoming southeast after midnight. |
Swell Summary
A small, medium-period, west-northwest to northwest (300-330) swell continues to fill in this afternoon and will likely peak tonight, then gradually decline over the next few days. Another smaller reinforcing swell will also fill in tonight into Wednesday.
A moderate, medium-period north-northeast swell also started filling in today and will steadily fill in tonight and peak on Wednesday near advisory thresholds for east facing shores. This swell will produce above average surf for select north and east facing shores on Wednesday, before slowly declining through the end of the week. Strengthening trades late this week will support closer to seasonal average surf for east facing shores into the weekend.
As the former Super Typhoon Sinlaku made its extra tropical transition last weekend, it gradually traveled eastward along our great circle route. This could bring some west swell along select exposures starting today through the next several days. Peak energy from the former Typhoon is expected late Wednesday or Thursday and could wrap into select southwest facing exposures. Otherwise a small southwest swell from the Tasman Sea should arrive this weekend.
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: Sideshore texture/chop with NE winds 10-15mph.
Data Courtesy of NOAA.gov and SwellInfo.com
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