Surf Report

Hawaii County Surf Forecast for December 20, 2023

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Forecast for Big Island Windward and Southeast

HIGH SURF ADVISORY FOR EAST FACING SHORES


Shores Today Thursday
Surf Surf
AM PM AM PM
North Facing 4-6 5-7 5-7 5-7
East Facing 7-10 7-10 4-6 2-4
South Facing 0-2 0-2 0-2 0-2
TODAY

Weather Cloudy. Frequent showers.
High Temperature In the upper 70s.
Winds Northeast winds around 10 mph.
Tides
Hilo Bay High 2.0 feet 09:30 AM HST.
Low 0.1 feet 04:30 PM HST.
Sunrise 6:49 AM HST.
Sunset 5:46 PM HST.
TONIGHT

Weather Cloudy. Occasional showers.
Low Temperature In the upper 60s.
Winds East winds 5 to 10 mph.
Tides
Hilo Bay High 1.9 feet 11:35 PM HST.
Low 1.1 feet 05:05 AM HST.
THURSDAY

Weather Cloudy. Frequent showers.
High Temperature In the upper 70s.
Winds East winds around 10 mph.
Tides
Hilo Bay High 1.8 feet 10:20 AM HST.
Low 0.0 feet 05:10 PM HST.
Sunrise 6:50 AM HST.
Sunset 5:46 PM HST.

Forecast for Big Island Leeward


Shores Today Thursday
Surf Surf
AM PM AM PM
West Facing 0-2 0-2 0-2 0-2
South Facing 2-4 2-4 2-4 2-4
TODAY

Weather Cloudy. Scattered showers.
High Temperature In the lower 80s.
Winds Southeast winds around 5 mph, becoming
northwest in the afternoon.
Tides
Kona High 1.6 feet 10:08 AM HST.
Low 0.1 feet 05:07 PM HST.
Kawaihae High 1.6 feet 10:15 AM HST.
Low -0.1 feet 05:10 PM HST.
Sunrise 6:53 AM HST.
Sunset 5:50 PM HST.
TONIGHT

Weather Cloudy. Scattered showers.
Low Temperature In the upper 60s.
Winds Southeast winds around 5 mph, becoming
northeast after midnight.
Tides
Kona High 1.5 feet 12:13 AM HST.
Low 0.7 feet 05:42 AM HST.
Kawaihae High 1.7 feet 12:23 AM HST.
THURSDAY

Weather Cloudy. Scattered showers.
High Temperature In the lower 80s.
Winds East winds around 5 mph, becoming west
in the afternoon.
Tides
Kona High 1.4 feet 10:58 AM HST.
Low 0.0 feet 05:47 PM HST.
Kawaihae Low 0.8 feet 06:26 AM HST.
High 1.3 feet 11:15 AM HST.
Low -0.1 feet 05:48 PM HST.
Sunrise 6:54 AM HST.
Sunset 5:50 PM HST.

Swell Summary

Moderate size, short period northeast swell has remained fairly steady with little to no decline. Thus, with little reprieve from stronger trade flow, the swell remains elevated enough to warrant extending the High Surf Advisory (HSA) for east-facing shores through the day. East shore surf is expected to eventually fall below advisory heights this evening or early Thursday. A small, medium period northwest swell will boost north northwest-facing surf a bit today but remain well below advisory levels through Thursday. A larger northwest swell is scheduled to arrive late Thursday and this swell will likely lift north and west-facing shore surf to HSA levels as it peaks out early Friday. While confidence remains low, the next northwest swell that will come in just after Christmas may be high enough to produce XL warning level surf along north shores. A small, medium to long period south to southwest swell passing through late this week will keep south shore surf from going completely flat.

NORTH EAST

ARTICLE CONTINUES BELOW AD
ARTICLE CONTINUES BELOW AD

am        pm  

Surf: Chest to shoulder high N short period wind swell for the morning going more NNE and building into the chest to head range in the afternoon.

Conditions: Bumpy/choppy with NNE winds 15-20mph in the morning shifting NNW for the afternoon.

NORTH WEST

am        pm  

ARTICLE CONTINUES BELOW AD

Surf: Waist to chest high N short period wind swell.

Conditions: Choppy/disorganized with NNE winds 10-15mph in the morning increasing to 20-25mph in the afternoon.

WEST

am        pm  

Surf: Knee high NW short period wind swell in the morning with occasional thigh high sets. This drops a bit in the afternoon.

ARTICLE CONTINUES BELOW AD

Conditions: Glassy in the morning with ESE winds less than 5mph. Semi glassy conditions for the afternoon with the winds shifting to the SSE.

SOUTH EAST

am        pm  

Surf: Knee high ENE short period wind swell in the morning builds in the afternoon with occasional sets up to waist high.

Conditions: Sideshore/choppy with NNE winds 15-20mph in the morning shifting N 20-25mph in the afternoon.

Data Courtesy of NOAA.gov and SwellInfo.com

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