Hawaii County Surf Forecast for September 11, 2025
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Thursday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 3-5 | 3-5 | 3-5 | 3-5 |
| East Facing | 4-6 | 4-6 | 2-4 | 2-4 |
| South Facing | 3-5 | 3-5 | 2-4 | 2-4 |
| Weather | Mostly sunny until 6 PM, then mostly cloudy. Scattered showers. |
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|---|---|---|---|---|---|---|---|
| Low Temperature | In the lower 70s. | ||||||
| Winds | East winds around 10 mph, becoming north after midnight. |
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| Weather | Partly sunny. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | East winds 5 to 10 mph. | |||||
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| Sunrise | 6:07 AM HST. | |||||
| Sunset | 6:27 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 | 3-5 | 3-5 | 2-4 | 2-4 |
| Weather | Mostly sunny. Scattered showers. |
|---|---|
| High Temperature | In the upper 80s. |
| Winds | South winds around 5 mph, becoming west in the afternoon. |
| Sunrise | 6:11 AM HST. |
| Sunset | 6:31 PM HST. |
Swell Summary
Any lingering easterly swell generated from Kiko will fade tonight, with surf along east-facing shores returning to the more typical trade wind-generated energy on Thursday as moderate to fresh trades fill back into the region.
Surf along south facing shores will remain near or just below the September average for the next few days. A reinforcing south- southwest swell peaked today and will slowly decline through Thursday. Another small bump from the south is possible on Friday. Additionally, multiple small pules of northwest to north-northwest swell energy will generate small surf along north facing beaches throughout the rest of this week and into the weekend.
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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