Surf Report

Hawaii County Surf Forecast for May 20, 2024

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Photo Credit: James Grenz

Forecast for Big Island Windward and Southeast

HIGH SURF ADVISORY FOR SOUTH FACING SHORES


Shores Today Tuesday
Surf Surf
AM PM AM PM
North Facing 1-3 1-3 1-3 1-3
East Facing 2-4 2-4 2-4 2-4
South Facing 7-10 6-9 4-6 2-4
TODAY

Weather Partly sunny. Scattered showers.
High Temperature Around 80.
Winds East winds 10 to 15 mph.
Tides
Hilo Bay Low -0.2 feet 06:59 AM HST.
High 2.3 feet 02:04 PM HST.
Sunrise 5:43 AM HST.
Sunset 6:51 PM HST.
TONIGHT

Weather Mostly cloudy. Scattered showers.
Low Temperature In the upper 60s.
Winds East winds around 5 mph.
Tides
Hilo Bay Low 0.7 feet 08:10 PM HST.
High 1.5 feet 01:07 AM HST.
TUESDAY

Weather Partly sunny. Scattered showers.
High Temperature In the lower 80s.
Winds East winds around 10 mph.
Tides
Hilo Bay Low -0.3 feet 07:24 AM HST.
High 2.5 feet 02:36 PM HST.
Sunrise 5:42 AM HST.
Sunset 6:51 PM HST.

Forecast for Big Island Leeward

HIGH SURF ADVISORY FOR SOUTH FACING SHORES


Shores Today Tuesday
Surf Surf
AM PM AM PM
West Facing 3-5 1-3 1-3 1-3
South Facing 6-10 6-9 4-6 1-3
TODAY

Weather Mostly sunny until 12 PM, then mostly
cloudy. Scattered showers.
High Temperature In the mid 80s.
Winds West winds 5 to 10 mph.
Tides
Kona Low -0.1 feet 07:36 AM HST.
High 1.8 feet 02:42 PM HST.
Kawaihae Low -0.1 feet 07:41 AM HST.
High 2.1 feet 02:53 PM HST.
Sunrise 5:47 AM HST.
Sunset 6:55 PM HST.
TONIGHT

Weather Mostly cloudy until 12 AM, then partly
cloudy. Scattered showers.
Low Temperature In the lower 70s.
Winds Northeast winds around 5 mph, becoming
southeast after midnight.
Tides
Kona Low 0.5 feet 08:47 PM HST.
High 1.2 feet 01:45 AM HST.
Kawaihae Low 0.4 feet 09:30 PM HST.
High 1.0 feet 02:16 AM HST.
TUESDAY

Weather Mostly sunny until 12 PM, then mostly
cloudy. Scattered showers.
High Temperature In the mid 80s.
Winds West winds around 5 mph.
Tides
Kona Low -0.2 feet 08:01 AM HST.
High 2.0 feet 03:14 PM HST.
Kawaihae Low -0.1 feet 08:05 AM HST.
High 2.2 feet 03:23 PM HST.
Sunrise 5:46 AM HST.
Sunset 6:55 PM HST.

Swell Summary

Surf along south-facing shores will remain at or near advisory heights through early afternoon. Recent south shore buoy observations of around 3 to 4 feet, near 16-18 second swell, along with spectral density plots showing additional long period energy reaching southern shores this morning, will maintain High Surf Advisory (HSA) level surf through the early afternoon hours. While south energy will be fading through the day, the HSA has been extended through the afternoon to account for the passage of the tail end of this energy. As the south swell fades, south shore surf is forecast to wane from tonight through the middle of the week. The weekend's small northwest swell will subside through the day with resultant north shore surf falling to near flat from Tuesday into the weekend. East chop will remain steady through early week. There may be a slight mid to late week uptick in wind wave action as trades strengthen a bit over and upstream of the islands.

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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