Hawaii County Surf Forecast for April 21, 2024
Photo Credit: James Grenz
Forecast for Big Island Windward and Southeast
| Shores | Today | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| North Facing | 6-8 | 7-10 | 6-8 | 5-7 |
| East Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| South Facing | 2-4 | 2-4 | 1-3 | 1-3 |
| Weather | Partly sunny. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | Around 80. | |||||
| Winds | Northeast winds 5 to 10 mph. | |||||
|
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| Sunrise | 5:58 AM HST. | |||||
| Sunset | 6:40 PM HST. | |||||
| Weather | Mostly cloudy. Numerous showers. | |||||
|---|---|---|---|---|---|---|
| Low Temperature | In the upper 60s. | |||||
| Winds | Northeast winds around 10 mph. | |||||
|
||||||
| Weather | Partly sunny. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | Around 80. | |||||
| Winds | Northeast winds 10 to 15 mph. | |||||
|
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| Sunrise | 5:57 AM HST. | |||||
| Sunset | 6:40 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Today | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 2-4 | 3-5 | 4-6 | 3-5 |
| South Facing | 2-4 | 2-4 | 1-3 | 1-3 |
| Weather | Sunny. Isolated showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | Southeast winds around 5 mph, becoming west in the afternoon. |
| Sunrise | 6:01 AM HST. |
| Sunset | 6:44 PM HST. |
Swell Summary
A moderate medium period north swell has begun to rise and will peak later today before steadily declining Monday. Surf along east facing shores will remain small today, except for shores exposed to the north swell which could see a slight rise. As the trades strengthen early this week, short period wind waves will bring elevated seas. South facing shores will continue at small levels as a series of small, medium to long period energy will persist over the next several days.
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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