Hawaii County Surf Forecast for October 18, 2024
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 4-6 | 4-6 | 3-5 | 3-5 |
| East Facing | 2-4 | 2-4 | 2-4 | 1-3 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Mostly cloudy. Scattered showers. | ||||||
|---|---|---|---|---|---|---|---|
| Low Temperature | In the lower 70s. | ||||||
| Winds | East winds 5 to 10 mph. | ||||||
|
|||||||
| Weather | Mostly sunny. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | East winds 5 to 10 mph. | |||||
|
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| Sunrise | 6:16 AM HST. | |||||
| Sunset | 5:55 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Tonight | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Partly cloudy. Isolated showers. |
|---|---|
| Low Temperature | In the lower 70s. |
| Winds | Northwest winds around 5 mph in the afternoon and evening, becoming light and variable. |
| Weather | Mostly sunny. Isolated showers. |
|---|---|
| High Temperature | In the upper 80s. |
| Winds | Light and variable winds, becoming west around 5 mph in the afternoon. |
| Sunrise | 6:20 AM HST. |
| Sunset | 5:59 PM HST. |
Swell Summary
Surf along north-facing shores will steadily fade through the second half of the week as a NNW swell moves out. A small, medium- period pulse is possible over the weekend and into early next week, which should be enough to prevent the surf from going flat. An upward trend is possible late next week due to the aforementioned gale forming northeast of the state from Monday through midweek. Surf along south- facing shores will remain small, with mainly a mix of short-to medium- period SSE and SSW swells moving through. The next small, long-period SW swell is expected over the weekend with a similar pulse arriving early next week. Surf along east-facing shores will remain small and choppy each day through the weekend, then trend down as the trades ease locally and upstream early next week.
NORTH EAST
am 
pm 
Surf: Chest to shoulder high N short period wind swell for the morning going more NNE and building into the chest to head range in the afternoon.
Conditions: Bumpy/choppy with NNE winds 15-20mph in the morning shifting NNW for the afternoon.
NORTH WEST
am 
pm
Surf: Waist to chest high N short period wind swell.
Conditions: Choppy/disorganized with NNE winds 10-15mph in the morning increasing to 20-25mph in the afternoon.
WEST
am 
pm 
Surf: Knee high NW short period wind swell in the morning with occasional thigh high sets. This drops a bit in the afternoon.
Conditions: Glassy in the morning with ESE winds less than 5mph. Semi glassy conditions for the afternoon with the winds shifting to the SSE.
SOUTH EAST
am 
pm 
Surf: Knee high ENE short period wind swell in the morning builds in the afternoon with occasional sets up to waist high.
Conditions: Sideshore/choppy with NNE winds 15-20mph in the morning shifting N 20-25mph in the afternoon.
Data Courtesy of NOAA.gov and SwellInfo.com
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