Hawaii County Surf Forecast for September 19, 2024
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Thursday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| East Facing | 3-5 | 3-5 | 3-5 | 3-5 |
| South Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| Weather | Mostly sunny until 6 PM, then mostly cloudy until 12 AM, then partly cloudy. Scattered showers. |
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|---|---|---|---|---|---|---|---|
| Low Temperature | In the lower 70s. | ||||||
| Winds | Northeast winds 5 to 10 mph, becoming north after midnight. |
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| Weather | Mostly sunny. Isolated showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | Northeast winds 5 to 10 mph. | |||||
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| Sunrise | 6:08 AM HST. | |||||
| Sunset | 6:20 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Tonight | Thursday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Mostly sunny until 6 PM, then mostly clear. Scattered showers. |
|---|---|
| Low Temperature | In the lower 70s. |
| Winds | Northwest winds around 5 mph in the evening, becoming light and variable. |
| Weather | Mostly sunny. Isolated showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | South winds around 5 mph, becoming west in the afternoon. |
| Sunrise | 6:12 AM HST. |
| Sunset | 6:24 PM HST. |
Swell Summary
East shore surf will hold near seasonal levels through Thursday morning, then slowly lower Thursday evening through early next week. A mix of southeast, south and southwest swells will keep small surf rolling into south facing shores through Monday. A slight bump in south shore surf is possible around Tuesday or Wednesday of next week as a slightly larger long-period southwest swell moves through. North shore surf will remain very small through the weekend until Tuesday and Wednesday of next week when a 3 to 5 foot medium to long- period northwest swell could arrive.
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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