Hawaii County Surf Forecast for March 21, 2024
Photo Credit: James Grenz
Forecast for Big Island Windward and Southeast
| Shores | Today | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| North Facing | 3-5 | 3-5 | 3-5 | 3-5 |
| East Facing | 2-4 | 2-4 | 3-5 | 3-5 |
| South Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| Weather | Mostly cloudy. Numerous showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | Around 80. | |||||
| Winds | North winds 10 to 15 mph. | |||||
|
||||||
| Sunrise | 6:23 AM HST. | |||||
| Sunset | 6:32 PM HST. | |||||
| Weather | Mostly cloudy. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| Low Temperature | In the mid 60s. | |||||
| Winds | North winds around 10 mph. | |||||
|
||||||
| Weather | Cloudy until 10 AM, then partly sunny. Scattered showers. |
|||||
|---|---|---|---|---|---|---|
| High Temperature | Around 80. | |||||
| Winds | Northeast winds 10 to 15 mph. | |||||
|
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| Sunrise | 6:22 AM HST. | |||||
| Sunset | 6:32 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Today | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 5-7 | 5-7 | 2-4 | 2-4 |
| South Facing | 4-6 | 4-6 | 2-4 | 2-4 |
| Weather | Sunny until 10 AM, then mostly cloudy. Scattered showers. |
|---|---|
| High Temperature | In the upper 70s. |
| Winds | South winds around 5 mph. |
| Sunrise | 6:27 AM HST. |
| Sunset | 6:36 PM HST. |
Swell Summary
The current moderate, medium to long period northwest (310-320 degree) swell will keep surf elevated today but gradually decline through Friday. A new reinforcement small to moderate long period northwest (310-320 degree) swell, is expected to arrive late Friday with another slightly larger reinforcement from the same direction Sunday night and Monday. Surf along south facing shores will return to background levels for the next several days. Short period trade wind swell will be below seasonal average through today and will likely pick up Friday through the weekend as trade winds increase.
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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