Hawaii County Surf Forecast for October 20, 2024
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Sunday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 3-5 | 3-5 | 3-5 | 3-5 |
| East Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| South Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| Weather | Mostly sunny until 6 PM, then mostly cloudy. Scattered showers. |
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|---|---|---|---|---|---|---|---|
| Low Temperature | In the upper 60s. | ||||||
| Winds | Northeast winds around 15 mph, becoming northwest. |
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| Weather | Mostly sunny. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | Northeast winds around 10 mph. | |||||
|
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| Sunrise | 6:16 AM HST. | |||||
| Sunset | 5:54 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Tonight | Sunday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| South Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| Weather | Partly sunny until 6 PM, then partly cloudy. Isolated showers. |
|---|---|
| Low Temperature | Around 70. |
| Winds | West winds around 5 mph, becoming north in the evening, then becoming east after midnight. |
| Weather | Mostly sunny. Isolated showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | Southwest winds around 5 mph. |
| Sunrise | 6:20 AM HST. |
| Sunset | 5:58 PM HST. |
Swell Summary
A small, short-period north to northwest swell will gradually diminish Sunday and early next week, shifting to a more northeasterly direction by midweek. North facing shores will see the surf from the swell then shifting to east facing shores as the direction changes. Elsewhere, background south swell will keep surf from going flat along south shores. A small, long-period reinforcement is expected to arrive Monday night and decline through the week followed by another on Friday.
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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