Surf Report

Hawaii County Surf Forecast for December 20, 2021

December 20, 2021, 6:00 AM HST
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Photo Credit: James Grenz

Forecast for Big Island Leeward


Shores Today Tuesday
Surf Surf
AM PM AM PM
West Facing 1-3 1-3 1-3 1-3
South Facing 1-3 1-3 0-2 0-2
TODAY

Weather Mostly sunny. A slight chance of
thunderstorms with isolated showers.
High Temperature In the lower 80s.
Winds Southwest winds around 5 mph.
Tides
Kona Low 0.5 feet 11:43 AM HST.
High 1.0 feet 03:58 PM HST.
Kawaihae Low 0.2 feet 12:20 PM HST.
High 0.7 feet 04:50 PM HST.
Sunrise 6:54 AM HST.
Sunset 5:50 PM HST.
TONIGHT

Weather Mostly cloudy. Scattered showers.
Low Temperature In the upper 60s.
Winds East winds around 5 mph.
Tides
Kona Low -0.1 feet 10:01 PM HST.
High 2.1 feet 05:28 AM HST.
Kawaihae Low -0.1 feet 10:03 PM HST.
High 2.4 feet 05:31 AM HST.
TUESDAY

Weather Partly sunny. Scattered showers.
High Temperature Around 80.
Winds North winds around 5 mph, becoming
southwest in the afternoon.
Tides
Kona Low 0.5 feet 12:23 PM HST.
High 0.9 feet 04:33 PM HST.
Kawaihae Low 0.2 feet 12:57 PM HST.
High 0.7 feet 05:27 PM HST.
Sunrise 6:54 AM HST.
Sunset 5:51 PM HST.

Swell Summary

While the fetch of trade winds to the E of the islands is somewhat limited, short- and medium-period wind waves/swells will be arriving from the NE and NNE over the day or two, due to the strong high, and the strong gradient between it and a slow-moving, gale-force low off the U.S. W coast. This will result in increased seas, with rough and choppy surf along shores exposed to the N and E. Surf along exposed E facing shores may become large enough to warrant a High Surf Advisory by tonight or Tuesday. Very little swell energy from the NW is expected this week, but a small pulse of swell will persist through today, with another pulse possible Thursday and Friday.

NORTH EAST

am        pm  

ARTICLE CONTINUES BELOW AD

Surf: Knee to waist high NNE short period wind swell for the morning going more E during the day.

ARTICLE CONTINUES BELOW AD

Conditions: Semi choppy with ESE winds 5-10mph in the morning shifting SE for the afternoon.

NORTH WEST

am        pm  

ARTICLE CONTINUES BELOW AD

Surf: Minimal (ankle high or less) surf.

Conditions: Fairly clean in the morning with S winds 5-10mph. Glassy conditions for the afternoon as the winds lighten to less than 5mph.

WEST

am        pm  

Surf: Minimal (ankle high or less) surf.

Conditions: Semi glassy with SE winds 5-10mph in the morning shifting N less than 5mph in the afternoon.

SOUTH EAST

am        pm  

Surf: Knee to waist high E short period wind swell.

Conditions: Light sideshore texture with NNE winds 10-15mph.

Data Courtesy of NOAA.gov and SwellInfo.com

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