Hawaii County Surf Forecast for October 17, 2024
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Thursday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 7-10 | 6-8 | 5-7 | 4-6 |
| East Facing | 4-6 | 3-5 | 3-5 | 2-4 |
| South Facing | 2-4 | 2-4 | 1-3 | 1-3 |
| Weather | Mostly sunny until 6 PM, then mostly cloudy. Frequent showers. |
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|---|---|---|---|---|---|---|
| Low Temperature | Around 70. | |||||
| Winds | East winds around 10 mph, becoming northwest. |
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| Weather | Mostly cloudy. Numerous showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the lower 80s. | |||||
| Winds | East winds 5 to 10 mph. | |||||
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| Sunrise | 6:15 AM HST. | |||||
| Sunset | 5:56 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Tonight | Thursday | ||
|---|---|---|---|---|
| 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 | Mostly clear. |
|---|---|
| Low Temperature | In the lower 70s. |
| Winds | West winds around 5 mph, becoming northeast in the evening, then becoming light and variable after midnight. |
| 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 | 6:19 AM HST. |
| Sunset | 6:00 PM HST. |
Swell Summary
A 4 to 5 foot, NNW (350), medium period swell was noted on both Hanalei and Waimea nearshore buoys this afternoon and will continue to bring small to moderate surf to north facing shores tonight. This swell will slowly decrease through Thursday, with surf remaining well below advisory surf height thresholds. Surf along west facing shores should remain slightly elevated with wrap around north swell energy lingering into Thursday.
Surf heights along east shores will remain elevated and choppy tonight in response to short period trade wind swell over and upstream of the islands, but then then decline on Thursday as trades weaken. Expect tiny south shore surf through the end of the week due to small background swells.
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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