Hawaii County Surf Forecast for April 30, 2025
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| East Facing | 2-4 | 1-3 | 1-3 | 2-4 |
| South Facing | 2-4 | 2-4 | 2-4 | 3-5 |
| Weather | Mostly cloudy. Numerous showers with isolated thunderstorms. |
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|---|---|---|---|---|---|---|---|
| Low Temperature | In the upper 60s. | ||||||
| Winds | Southeast winds 5 to 10 mph, becoming southwest after midnight. |
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| Weather | Partly sunny. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the lower 80s. | |||||
| Winds | East winds 5 to 10 mph. | |||||
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| Sunrise | 5:52 AM HST. | |||||
| Sunset | 6:43 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Tonight | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 0-2 | 0-2 | 0-2 | 1-3 |
| South Facing | 2-4 | 2-4 | 2-4 | 3-5 |
| Weather | Mostly cloudy until 12 AM, then partly cloudy. Hazy. Scattered showers with isolated thunderstorms. |
|---|---|
| Low Temperature | Around 70. |
| Winds | West winds around 5 mph, becoming south in the evening, then becoming light and variable after midnight. |
Swell Summary
A small northwest swell will continue to slowly fade into tomorrow morning, allowing surf along north and west facing shores to remain near or below average levels for this time of year (6 feet for the month of May). By Thursday, a moderate long period north- northwest swell is expected to arrive, producing surf above the seasonal average. This north-northwest swell will slowly decline over the weekend.
A bump up in south-southwest swell energy will arrive tomorrow, peak Thursday producing moderate surf, and then slowly fade through the weekend. However, a mix of reinforcing south-southwest swell and new south-southeast swell energy will arrive this weekend and should help maintain surf near or above the summer average (5 feet). Then another pulse of south-southwest swell energy will arrive early next week.
Weak upstream trade wind flow will keep surf on the small side for east facing shores. An increase is expected by tomorrow as the trade winds return. Trade winds should strengthen through Friday with rough and choppy surf expected along east facing shores through 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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