Hawaii County Surf Forecast for September 30, 2025
Forecast for Big Island Windward and Southeast
| Shores | Today | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| North Facing | 3-5 | 3-5 | 1-3 | 1-3 |
| East Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| South Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| Weather | Partly sunny. Scattered showers. | ||||
|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | ||||
| Winds | Northeast winds 5 to 10 mph. | ||||
|
|||||
| Sunrise | 6:11 AM HST. | ||||
| Sunset | 6:10 PM HST. | ||||
| Weather | Mostly cloudy. Numerous showers. | ||||||
|---|---|---|---|---|---|---|---|
| Low Temperature | In the lower 70s. | ||||||
| Winds | North winds around 5 mph. | ||||||
|
|||||||
| Weather | Mostly cloudy. Showers. | ||||
|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | ||||
| Winds | Northeast winds 5 to 10 mph. | ||||
|
|||||
| Sunrise | 6:11 AM HST. | ||||
| Sunset | 6:09 PM HST. | ||||
Forecast for Big Island Leeward
| Shores | Today | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 1-3 | 1-3 | 3-5 | 3-5 |
| South Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| Weather | Mostly cloudy until 12 AM, then partly cloudy. Scattered showers. |
|---|---|
| Low Temperature | In the lower 70s. |
| Winds | North winds around 5 mph, becoming east after midnight. |
Swell Summary
A small medium period north swell filled in yesterday and will gradually fade today. A series of small medium period swells from the north and northwest will trickle in through the rest of the week. A moderate medium period northwest (330 degrees) swell is expected to arrive on Sunday, building surf heights along north and west facing shores late this weekend into early next week. A series of small medium period south swells will keep surf along south facing shores from going flat through the week. Surf along east facing shores will remain on the small side in moderate trade wind flow, despite some small medium period swell moving into the region over the next couple of days from former tropical cyclone Narda.
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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