Surf Report

Hawaii County Surf Forecast for December 18, 2021

December 18, 2021, 6:00 AM HST
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Forecast for Big Island Leeward


Shores Today Sunday
Surf Surf
AM PM AM PM
West Facing 2-4 2-4 1-3 1-3
South Facing 1-3 1-3 0-2 0-2
TODAY

Weather Mostly sunny until 12 PM, then mostly
cloudy. Isolated showers and
thunderstorms.
High Temperature In the lower 80s.
Winds South winds around 5 mph, becoming west
in the afternoon.
Tides
Kona Low 0.5 feet 10:23 AM HST.
High 1.0 feet 02:51 PM HST.
Kawaihae Low 0.3 feet 11:08 AM HST.
High 0.8 feet 03:39 PM HST.
Sunrise 6:53 AM HST.
Sunset 5:49 PM HST.
TONIGHT

Weather Mostly cloudy. Scattered showers.
Low Temperature In the upper 60s.
Winds East winds around 5 mph.
Tides
Kona Low -0.2 feet 08:55 PM HST.
High 2.2 feet 04:18 AM HST.
Kawaihae Low -0.1 feet 08:57 PM HST.
High 2.4 feet 04:25 AM HST.
SUNDAY

Weather Partly sunny. Scattered showers.
High Temperature In the lower 80s.
Winds South winds around 5 mph, becoming west
in the afternoon.
Tides
Kona Low 0.5 feet 11:03 AM HST.
High 1.0 feet 03:25 PM HST.
Kawaihae Low 0.2 feet 11:44 AM HST.
High 0.7 feet 04:15 PM HST.
Sunrise 6:53 AM HST.
Sunset 5:50 PM HST.

Swell Summary

The northwest swell, currently producing north shore surf near the advisory level, will gradually decline this afternoon and may be briefly reinforced by an overlapping northwest swell on Sunday before fading on Monday and Tuesday. Another small northwest swell is possible mid week.

Strengthening trade winds will produce increasing, short period seas over the next several days. This trade wind swell will become large and rough Monday into Wednesday and will be mixed with a short period north-northeast swell. During this time, surf along east facing shores may reach the advisory level.

NORTH EAST

ARTICLE CONTINUES BELOW AD

am        pm  

ARTICLE CONTINUES BELOW AD

Surf: Knee high ENE short period wind swell.

Conditions: Sideshore texture/chop with SE winds 10-15mph in the morning increasing to 15-20mph in the afternoon.

NORTH WEST

ARTICLE CONTINUES BELOW AD

am        pm  

Surf: Minimal (ankle high or less) surf.

Conditions: Light sideshore texture in the morning with NE winds 5-10mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting WNW less than 5mph.

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 WNW 5-10mph.

SOUTH EAST

am        pm  

Surf: Small scale (ankle to knee high) surf.

Conditions: Clean in the early morning with WNW winds less than 5mph. Semi choppy conditions move in during the morning hours with the winds shifting ENE 5-10mph.

Data Courtesy of NOAA.gov and SwellInfo.com

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