Hawaii County Surf Forecast for December 18, 2022
Forecast for Big Island Windward and Southeast
| Shores | Today | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| North Facing | 6-8 | 5-7 | 10-14 | 12-16 |
| East Facing | 2-4 | 2-4 | 2-4 | 3-5 |
| South Facing | 1-3 | 2-4 | 4-6 | 4-6 |
| Weather | Mostly cloudy. Numerous showers and scattered thunderstorms. |
|||||
|---|---|---|---|---|---|---|
| High Temperature | In the lower 80s. | |||||
| Winds | South winds 5 to 10 mph. | |||||
|
||||||
| Sunrise | 6:48 AM HST. | |||||
| Sunset | 5:45 PM HST. | |||||
| Weather | Mostly cloudy. Scattered thunderstorms with isolated showers. Some thunderstorms may produce gusty winds. |
||||
|---|---|---|---|---|---|
| Low Temperature | Around 70. | ||||
| Winds | Southwest winds around 15 mph. | ||||
|
|||||
| Weather | Mostly cloudy. Numerous showers and scattered thunderstorms. Some thunderstorms may produce gusty winds. |
|||||
|---|---|---|---|---|---|---|
| High Temperature | Around 80. | |||||
| Winds | Breezy. Southwest winds 20 to 25 mph. | |||||
|
||||||
| Sunrise | 6:49 AM HST. | |||||
| Sunset | 5:45 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Today | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 3-5 | 2-4 | 6-8 | 7-10 |
| South Facing | 1-3 | 2-4 | 4-6 | 4-6 |
| Weather | Mostly cloudy. Numerous showers and scattered thunderstorms. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | South winds 5 to 10 mph. |
| Sunrise | 6:52 AM HST. |
| Sunset | 5:49 PM HST. |
| Weather | Mostly cloudy. Showers and scattered thunderstorms. Some thunderstorms may produce gusty winds. |
|---|---|
| Low Temperature | In the upper 60s. |
| Winds | South winds 10 to 15 mph. |
| Weather | Mostly cloudy. Showers and scattered thunderstorms. Some thunderstorms may produce gusty winds. |
|---|---|
| High Temperature | In the upper 70s. |
| Winds | Breezy. South winds 20 to 25 mph. |
| Sunrise | 6:53 AM HST. |
| Sunset | 5:49 PM HST. |
Swell Summary
A powerful low northwest of the islands will produce a long-lived and extra-large northwest swell that will bring surf heights well above High Surf Warning levels. There is high potential for wave run-up onto vulnerable roadways and coastal areas in the Warning areas, with the most likely time for these impacts being Monday night into Tuesday morning during high tide. This swell is expected to drop below warning thresholds Tuesday night into Wednesday, but a large northwest swell is possible during the second half of the week. Surf along south and west facing shores will also see an increase in short-period wind waves this evening into Tuesday due to the strong onshore winds.
NORTH EAST
am 
pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Clean in the morning with SW winds 5-10mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting N less than 5mph.
NORTH WEST
am pm 
Surf: Small scale (ankle to knee high) surf.
Conditions: Clean in the morning with SSE winds 15-20mph. Sideshore/choppy conditions for the afternoon with the winds shifting to the SSW.
WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Light sideshore texture in the morning with SE winds 5-10mph. Bumpy/choppy conditions for the afternoon with the winds shifting S 10-15mph.
SOUTH EAST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Choppy/disorganized with SSW winds 10-15mph in the morning shifting S 20-25mph in the afternoon.
Data Courtesy of NOAA.gov and SwellInfo.com
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