Hawaii County Surf Forecast for May 12, 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 | 4-6 | 4-6 | 4-6 | 4-6 |
| South Facing | 5-7 | 5-7 | 4-6 | 4-6 |
| Weather | Mostly cloudy. Frequent showers. | ||||||
|---|---|---|---|---|---|---|---|
| Low Temperature | In the upper 60s. | ||||||
| Winds | Northeast winds 5 to 10 mph. | ||||||
|
|||||||
| Weather | Partly sunny. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the lower 80s. | |||||
| Winds | Northeast winds 5 to 10 mph. | |||||
|
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| Sunrise | 5:45 AM HST. | |||||
| Sunset | 6:48 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Tonight | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| South Facing | 5-7 | 5-7 | 4-6 | 4-6 |
| Weather | Mostly cloudy. Hazy. Scattered showers. |
|---|---|
| Low Temperature | Around 70. |
| Winds | West winds around 5 mph, becoming east. |
| Weather | Mostly sunny until 12 PM, then mostly cloudy. Hazy. Scattered showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | South winds around 5 mph, becoming west in the afternoon. |
| Sunrise | 5:49 AM HST. |
| Sunset | 6:52 PM HST. |
Swell Summary
The current long period south-southwest swell continue to keep surf elevated today just below advisory levels. Surf is expected to begin a slow decline over the next few hours that will continue through mid-week. Surf along east-facing shores will be rough and choppy today due to the stronger trade winds. Rough and choppy surf will persist throughout the week with a slight decrease in surf heights as the trades ease slightly by mid-week. A series of small northwest swells will keep small surf in place along north facing shores through next 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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