Hawaii County Surf Forecast for March 21, 2026
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Saturday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 4-6 | 4-6 | 5-7 | 5-7 |
| East Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| South Facing | 4-6 | 4-6 | 3-5 | 3-5 |
| Weather | Mostly cloudy. Isolated showers and thunderstorms. |
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|---|---|---|---|---|---|---|---|
| Low Temperature | In the lower 70s. | ||||||
| Winds | South winds 10 to 15 mph, becoming southwest around 5 mph after midnight. |
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| Weather | Mostly cloudy. Isolated showers and thunderstorms. |
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|---|---|---|---|---|---|---|
| High Temperature | In the lower 80s. | |||||
| Winds | South winds around 5 mph, becoming southeast in the afternoon. |
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| Sunrise | 6:23 AM HST. | |||||
| Sunset | 6:32 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Tonight | Saturday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 2-4 | 2-4 | 3-5 | 3-5 |
| South Facing | 4-6 | 4-6 | 3-5 | 3-5 |
| Weather | Mostly cloudy. Scattered showers with isolated thunderstorms. |
|---|---|
| Low Temperature | In the lower 70s. |
| Winds | Southwest winds around 10 mph, becoming southeast in the evening, then becoming light and variable after midnight. |
Swell Summary
N swell will increase into Saturday in maintenance of moderate swell through the weekend along N facing shores. A small, overlapping WNW swell then arrives late Saturday and holds through Monday. Surf along E shores remain well below average through the weekend. NE trades then develop early next bringing increase NE fresh swell and an increase in short period choppy surf which may approach the High Surf Advisory threshold.
A moderate S swell slowly diminishes through today followed by a small reinforcing SSW swell this weekend into Monday. Smaller surf is expected along south facing shores through the remainder of the 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 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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