Hawaii County Surf Forecast for December 21, 2023
Forecast for Big Island Windward and Southeast
| Shores | Today | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| North Facing | 5-7 | 6-8 | 6-8 | 6-8 |
| East Facing | 6-8 | 6-8 | 5-7 | 5-7 |
| South Facing | 3-5 | 3-5 | 3-5 | 3-5 |
| Weather | Cloudy. Occasional showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the upper 70s. | |||||
| Winds | Northeast winds around 10 mph. | |||||
|
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| Sunrise | 6:50 AM HST. | |||||
| Sunset | 5:46 PM HST. | |||||
| Weather | Cloudy. Occasional showers. | ||||
|---|---|---|---|---|---|
| Low Temperature | In the upper 60s. | ||||
| Winds | North winds around 5 mph, becoming east after midnight. |
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|
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| Weather | Cloudy. Showers likely. | ||||||
|---|---|---|---|---|---|---|---|
| High Temperature | In the upper 70s. | ||||||
| Winds | Northeast winds 5 to 10 mph. | ||||||
|
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| Sunrise | 6:50 AM HST. | ||||||
| Sunset | 5:47 PM HST. | ||||||
Forecast for Big Island Leeward
| Shores | Today | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| South Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| Weather | Mostly cloudy. Scattered showers. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | Southeast winds around 5 mph, becoming south in the afternoon. |
| Sunrise | 6:54 AM HST. |
| Sunset | 5:50 PM HST. |
| Weather | Cloudy. Scattered showers. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | Southeast winds around 5 mph, becoming west in the afternoon. |
| Sunrise | 6:54 AM HST. |
| Sunset | 5:51 PM HST. |
Swell Summary
A moderate, medium period northwest swell will fill in slowly today, peak Friday before declining Saturday. A moderate to large long- period northwest swell is expected to fill in Sunday, peaking Sunday evening well into the High Surf Advisory criteria, and slowly drop Monday. Indications from forecast models is a large to extra large long- period northwest swell expected next week Tuesday into Wednesday above High Surf Warning levels.
Surf along south facing shores will see a series of small long period background energy keeping the south shore from going completely flat over the next few days. Surf along east facing shores has continued to decline but its compounded by short period wind waves from ongoing trades.
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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