Hawaii County Surf Forecast for February 18, 2026
Forecast for Big Island Windward and Southeast
HIGH SURF ADVISORY FOR EAST FACING SHORES
| Shores | Tonight | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| East Facing | 8-12 | 8-12 | 8-12 | 8-12 |
| South Facing | 2-4 | 1-3 | 0-2 | 0-2 |
| Weather | Mostly sunny until 6 PM, then mostly cloudy. Scattered showers. |
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|---|---|---|---|---|---|---|---|
| Low Temperature | In the mid 60s. | ||||||
| Winds | East winds 10 to 15 mph, becoming northeast around 5 mph after midnight. |
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| Weather | Partly sunny. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the mid 70s. | |||||
| Winds | Northeast winds 10 to 15 mph. | |||||
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| Sunrise | 6:48 AM HST. | |||||
| Sunset | 6:20 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Tonight | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| South Facing | 1-3 | 0-2 | 0-2 | 0-2 |
| Weather | Partly cloudy. Hazy. Isolated showers. |
|---|---|
| Low Temperature | In the mid 60s. |
| Winds | West winds around 10 mph, becoming southeast. |
Swell Summary
Surf heights along east facing shorelines will remain solidly within High Surf Advisory (HSA) criteria through at least midweek. The HSA is in effect through Wednesday night as strong upstream trades are expected to persist.
Surf will remain small along north, west and south facing shores through Saturday, as no significant swells are forecast into the weekend. However, the arrival of a small medium-period northwest swell may bring a slight uptick in surf along north-facing shores late Wednesday through Friday.
In the extended range forecast, forerunners from the next moderate to large, long period north (010-020 degree) swell appear to arrive by late Sunday night, building swiftly to advisory levels by next week Monday, and then slowly declining into the middle of 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 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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