Hawaii County Surf Forecast for December 20, 2022
Forecast for Big Island Windward and Southeast
| Shores | Today | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| North Facing | 10-14 | 10-14 | 10-14 | 8-12 |
| East Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| South Facing | 2-4 | 2-4 | 1-3 | 1-3 |
| Weather | Mostly sunny. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the upper 70s. | |||||
| Winds | West winds around 15 mph. | |||||
|
||||||
| Sunrise | 6:49 AM HST. | |||||
| Sunset | 5:46 PM HST. | |||||
| Weather | Partly cloudy. | |||||
|---|---|---|---|---|---|---|
| Low Temperature | In the upper 60s. | |||||
| Winds | Southeast winds 5 to 10 mph. | |||||
|
||||||
| Weather | Mostly sunny. Isolated showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the lower 80s. | |||||
| Winds | North winds around 5 mph. | |||||
|
||||||
| Sunrise | 6:50 AM HST. | |||||
| Sunset | 5:46 PM HST. | |||||
Forecast for Big Island Leeward
HIGH SURF ADVISORY FOR WEST FACING SHORES
| Shores | Today | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 7-10 | 7-10 | 6-8 | 6-8 |
| South Facing | 2-4 | 2-4 | 1-3 | 1-3 |
| Weather | Partly sunny. Numerous showers. |
|---|---|
| High Temperature | In the upper 70s. |
| Winds | Southeast winds around 5 mph, becoming west in the afternoon. |
| Sunrise | 6:53 AM HST. |
| Sunset | 5:50 PM HST. |
| Weather | Mostly sunny. Isolated showers. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | Light and variable winds, becoming west around 5 mph in the afternoon. |
| Sunrise | 6:54 AM HST. |
| Sunset | 5:50 PM HST. |
Swell Summary
An extra large, long lived northwest swell continues to rise through the day today before declining Wednesday. There is high potential for wave run- up onto vulnerable roadways and coastal areas in the warning areas today. Expect another large northwest swell towards the end of the week reaching High Surf Advisory levels.
Surf along east facing shores remains flat except for areas that are exposed to the northwest swell wrap through Wednesday. South and west facing shores will also see an increase in short- period wind waves today due to the strong onshore winds. A tiny south swell looks to arrive Thursday.
NORTH EAST
am 
pm 
Surf: Knee to thigh high NW short period wind swell in the morning builds in the afternoon with occasional sets up to stomach high.
Conditions: Fairly clean in the early morning with S winds 5-10mph. Semi choppy conditions move in during the morning hours with the winds shifting ESE.
NORTH WEST
am 
pm
Surf: Chest to shoulder high W wind swell.
Conditions: Sideshore texture/chop with SSW winds 10-15mph in the morning shifting SW for the afternoon.
WEST
am 
pm 
Surf: Chest to shoulder high W wind swell.
Conditions: Semi glassy/semi bumpy in the morning with S winds less than 5mph. Glassy conditions for the afternoon with the winds shifting to the SW.
SOUTH EAST
am pm
Surf: Waist to stomach high SW short period wind swell with occasional chest high sets.
Conditions: Choppy/sideshore current with NE winds 15-20mph in the morning shifting ENE 10-15mph in the afternoon.
Data Courtesy of NOAA.gov and SwellInfo.com
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