Hawaii County Surf Forecast for July 18, 2026
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Saturday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| East Facing | 3-5 | 3-5 | 3-5 | 3-5 |
| South Facing | 4-6 | 4-6 | 4-6 | 4-6 |
| Weather | Mostly cloudy. Occasional showers. | |||||
|---|---|---|---|---|---|---|
| Low Temperature | In the lower 70s. | |||||
| Winds | Northeast winds 5 to 10 mph. | |||||
|
||||||
| Weather | Partly sunny. Numerous showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | Northeast winds around 10 mph. | |||||
|
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| Sunrise | 5:51 AM HST. | |||||
| Sunset | 7:02 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Tonight | Saturday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 3-5 | 3-5 | 3-5 | 3-5 |
| South Facing | 4-6 | 4-6 | 4-6 | 4-6 |
| Weather | Sunny until 12 PM, then partly sunny. Hazy. Isolated showers. |
|---|---|
| High Temperature | In the upper 80s. |
| Winds | West winds around 5 mph. |
| Sunrise | 5:55 AM HST. |
| Sunset | 7:06 PM HST. |
Swell Summary
Surf along south facing shores will remain elevated keeping levels near average through Saturday. A larger, moderate south swell is expected to build Sunday through early next week, bringing potentially High Surf Advisory level conditions Monday and Tuesday. As this swell slowly fades into the middle of next week, another moderate south swell is expected next Thursday. A small, medium-period west-northwest swell will gradually fade today into the weekend, causing surf along north- facing shores to drop to tiny by the weekend. East facing shores will remain choppy through Saturday and will gradually drop as trade winds ease. Energy from Tropical Storm Elida may reach the islands during the middle of next week bringing a slight boost for east facing shores.
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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