Hawaii County Surf Forecast for December 19, 2021
Photo Credit: James Grenz
Forecast for Big Island Leeward
| Shores | Today | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| South Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| Weather | Sunny until 12 PM, then partly sunny. Scattered showers. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | South winds around 5 mph, becoming west in the afternoon. |
| Sunrise | 6:53 AM HST. |
| Sunset | 5:50 PM HST. |
| Weather | Sunny until 12 PM, then partly sunny. Scattered showers. |
|---|---|
| High Temperature | Around 80. |
| Winds | East winds around 5 mph, becoming northwest in the afternoon. |
| Sunrise | 6:54 AM HST. |
| Sunset | 5:50 PM HST. |
Swell Summary
Strengthening trade winds will produce increasing, short period seas over the next few days. The combination of rough trade wind swell and a short period north-northeast swell will produce elevated surf along exposed north and east facing shores and may lead to a High Surf Advisory for some east facing shores late Monday through Thursday. A decrease in wind waves and the north-northeast swell is expected around Friday.
Small pulses of northwest swell are possible today and again Thursday and Friday, though resulting surf will be well below seasonal average. No significant swells are due for south shores.
NORTH EAST
am 
pm 
Surf: Knee to thigh high E short period wind swell in the morning builds in the afternoon with occasional sets up to stomach high.
Conditions: Sideshore texture/chop with SE winds 10-15mph in the morning shifting ESE 5-10mph in the afternoon.
NORTH WEST
am 
pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Glassy in the morning with E winds less than 5mph. Light sideshore texture conditions for the afternoon with the winds shifting SW 5-10mph.
WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Glassy in the morning with NNE winds less than 5mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting to the WNW.
SOUTH EAST
am 
pm
Surf: Knee to waist high E short period wind swell.
Conditions: Light sideshore texture in the morning with NNE winds 5-10mph. Sideshore texture/chop conditions for the afternoon with the winds shifting NE 10-15mph.
Data Courtesy of NOAA.gov and SwellInfo.com
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