Hawaii County Surf Forecast for April 12, 2023
Photo Credit: James Grenz
Forecast for Big Island Windward and Southeast
| Shores | Today | Thursday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| North Facing | 5-7 | 5-7 | 5-7 | 5-7 |
| East Facing | 7-9 | 7-9 | 6-8 | 6-8 |
| South Facing | 1-3 | 1-3 | 1-3 | 2-4 |
| Weather | Partly sunny. Numerous showers. | ||||
|---|---|---|---|---|---|
| High Temperature | In the upper 70s. | ||||
| Winds | Northeast winds around 10 mph. | ||||
|
|||||
| Sunrise | 6:04 AM HST. | ||||
| Sunset | 6:37 PM HST. | ||||
| Weather | Mostly cloudy. Numerous showers. | ||||
|---|---|---|---|---|---|
| Low Temperature | In the upper 60s. | ||||
| Winds | East winds 5 to 10 mph. | ||||
|
|||||
| Weather | Mostly cloudy. Numerous showers with isolated thunderstorms. |
||||||
|---|---|---|---|---|---|---|---|
| High Temperature | In the upper 70s. | ||||||
| Winds | East winds around 5 mph. | ||||||
|
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| Sunrise | 6:04 AM HST. | ||||||
| Sunset | 6:38 PM HST. | ||||||
Forecast for Big Island Leeward
| Shores | Today | Thursday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| South Facing | 1-3 | 1-3 | 1-3 | 2-4 |
| Weather | Partly sunny. Scattered showers with isolated thunderstorms. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | Light and variable winds. |
| Sunrise | 6:08 AM HST. |
| Sunset | 6:42 PM HST. |
Swell Summary
Recent nearshore buoy observations confirm that Tuesday's 6 to 8 foot north northeast (350-040 degree) swell that peaked surf along north- facing shores yesterday afternoon is on its way down. A small, medium period northwest (320 degree) swell is scheduled to arrive Friday into Saturday. East-facing shores will experience elevated rough wave conditions in response to several days of an upstream fresh trade fetch producing high, short period wind wave chop. East surf at some locations may near High Surf Advisory (HSA) levels later today but many eastern exposures will come in under the 10 foot HSA threshold. Surf along northeastern exposures will remain elevated, as well, as these shores will receive both the fading north northeast swell and east trade wind swell energy. Small, background south swell energy will maintain knee to chest high surf along many southern shores with a small medium period south southwest bump arriving Thursday.
NORTH EAST
am 
pm
Surf: Knee to waist high E short period wind swell for the morning with occasional stomach high sets. This builds in the afternoon with sets up to chest high.
Conditions: Sideshore texture/chop with SE winds 10-15mph in the morning increasing to 15-20mph in the afternoon.
NORTH WEST
am 
pm 
Surf: Small scale (ankle to knee high) surf.
Conditions: Clean in the morning with SE winds less than 5mph. Sideshore texture/chop conditions for the afternoon with the winds shifting SW 5-10mph.
WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Clean in the early morning with ENE winds less than 5mph. Bumpy/semi bumpy conditions move in during the morning hours with the winds shifting SW 5-10mph.
SOUTH EAST
am pm
Surf: Knee to waist high E short period wind swell for the morning with occasional stomach high sets. This builds in the afternoon with sets up to chest high.
Conditions: Sideshore texture/chop with NE winds 10-15mph in the morning decreasing to 5-10mph in the afternoon.
Data Courtesy of NOAA.gov and SwellInfo.com
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