Hawaii County Surf Forecast for May 21, 2026
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Thursday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 1-3 | 1-3 | 0-2 | 0-2 |
| East Facing | 5-7 | 5-7 | 6-8 | 6-8 |
| South Facing | 3-5 | 3-5 | 3-5 | 3-5 |
| Weather | Mostly cloudy. Showers likely. | |||||
|---|---|---|---|---|---|---|
| Low Temperature | In the lower 70s. | |||||
| Winds | Northeast winds around 10 mph. | |||||
|
||||||
| Weather | Mostly cloudy until 12 PM, then mostly sunny. Showers likely. |
|||||
|---|---|---|---|---|---|---|
| High Temperature | Around 80. | |||||
| Winds | Northeast winds around 15 mph. | |||||
|
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| Sunrise | 5:42 AM HST. | |||||
| Sunset | 6:51 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Tonight | Thursday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| South Facing | 3-5 | 3-5 | 3-5 | 3-5 |
| Weather | Mostly sunny. Scattered showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | South winds around 5 mph, becoming west in the afternoon. |
| Sunrise | 5:46 AM HST. |
| Sunset | 6:55 PM HST. |
Swell Summary
Small, short- to medium-period north-northwest swell energy will decline through Thursday. The next small north-northwest swell will move into the Hawaii region on Saturday, increasing surf heights along north- and west-facing shores through the weekend.
A series of small, long-period south swells will support near- average surf along south-facing shores over the next several days. Meanwhile, strengthening trades maintain elevated surf along east- facing shores into next week.
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 morning with ESE winds less than 5mph. Bumpy/semi bumpy conditions for the afternoon with the winds shifting W 5-10mph.
WEST
am 
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Light sideshore texture in the morning with NNW winds 5-10mph. Bumpy/semi bumpy conditions for the afternoon with the winds shifting to the WNW.
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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