Hawaii County Surf Forecast for September 08, 2025
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| East Facing | 3-5 | 4-6 | 4-6 | 5-7 |
| South Facing | 5-7 | 4-6 | 4-6 | 4-6 |
| Weather | Partly cloudy. Isolated showers. | ||||||
|---|---|---|---|---|---|---|---|
| Low Temperature | In the lower 70s. | ||||||
| Winds | East winds around 10 mph. | ||||||
|
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| Weather | Mostly sunny. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | North winds 5 to 10 mph. | |||||
|
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| Sunrise | 6:06 AM HST. | |||||
| Sunset | 6:30 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Tonight | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 3-5 | 2-4 | 2-4 | 2-4 |
| South Facing | 5-7 | 4-6 | 4-6 | 4-6 |
| Weather | Mostly cloudy until 12 AM, then partly cloudy. Scattered showers. |
|---|---|
| Low Temperature | In the lower 70s. |
| Winds | Northwest winds around 5 mph. |
Swell Summary
Surf along east facing shores will slowly rise through Monday as swell energy from Tropical Cyclone Kiko arrives. Latest buoy observations from Hilo and buoy 51004 show some increase in the 10 second spectral bands, but only a subtle increase in the longer periods. This suggests surf will likely come in below guidance in the near-term with surf likely staying below advisory thresholds through Monday. Although as Kiko nears the state late Monday into Tuesday, we should see a rapid increase of swell with surf heights possibly reaching low end High Surf Warning levels Monday night into Tuesday along east facing shores. The rise in surf will be short-lived with a steady decline expected Tuesday through Tuesday night. Surf will likely drop well below advisory thresholds by Wednesday. Note, peak surf heights will be highly dependent on the track and intensity of Kiko as it nears the state.
The current moderate long period south-southwest swell will be on the decline on Monday, but another reinforcing swell out of the south- southwest is expected on Tuesday. This should help maintain surf near or slightly above the summer average throughout the first half of the week. Additionally, multiple small pules of northwest swell energy will generate small surf along north facing beaches throughout the 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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