Surf Report

Hawaii County Surf Forecast for February 21, 2021

February 21, 2021, 6:00 AM HST
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Photo Credit: James Grenz

Forecast for South Big Island and Big Island North and East


Shores Today Monday
Surf Surf
AM PM AM PM
North Facing 2-4 2-4 2-4 2-4
East Facing 4-6 5-7 6-8 6-8
South Facing 1-3 1-3 1-3 1-3
TODAY

Weather Partly sunny. Occasional showers.
High Temperature Around 80.
Winds Southeast winds 5 to 10 mph.
Tides
Hilo Bay Low 0.8 feet 08:19 AM HST.
High 0.8 feet 10:20 AM HST.
Low 0.1 feet 04:51 PM HST.
Sunrise 6:45 AM HST.
Sunset 6:23 PM HST.
TONIGHT

Weather Mostly cloudy. Showers likely.
Low Temperature In the mid 60s.
Winds East winds 5 to 10 mph.
Tides
Hilo Bay High 2.1 feet 12:54 AM HST.
MONDAY

Weather Partly sunny. Scattered showers.
High Temperature In the lower 80s.
Winds East winds around 10 mph.
Tides
Hilo Bay Low 0.7 feet 08:09 AM HST.
High 0.9 feet 11:48 AM HST.
Low 0.0 feet 05:50 PM HST.
Sunrise 6:44 AM HST.
Sunset 6:23 PM HST.

Forecast for Big Island Leeward


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

Weather Mostly sunny until 12 PM, then mostly
cloudy. Hazy. Showers likely and a
slight chance of thunderstorms.
High Temperature In the lower 80s.
Winds Northeast winds around 5 mph, becoming
west in the afternoon.
Tides
Kona Low 0.5 feet 08:56 AM HST.
High 0.7 feet 10:58 AM HST.
Low 0.1 feet 05:28 PM HST.
Kawaihae Low 0.4 feet 08:27 AM HST.
High 0.5 feet 11:58 AM HST.
Low 0.1 feet 05:16 PM HST.
Sunrise 6:49 AM HST.
Sunset 6:27 PM HST.
TONIGHT

Weather Mostly cloudy until 12 AM, then mostly
clear. Hazy. Isolated showers.
Low Temperature In the mid 60s.
Winds South winds around 5 mph, becoming
northwest after midnight.
Tides
Kona High 1.7 feet 01:32 AM HST.
Kawaihae High 1.9 feet 01:12 AM HST.
MONDAY

Weather Sunny until 12 PM, then mostly cloudy.
Hazy. Scattered showers.
High Temperature In the lower 80s.
Winds Northwest winds around 5 mph.
Tides
Kona Low 0.5 feet 08:46 AM HST.
High 0.7 feet 12:26 PM HST.
Kawaihae Low 0.2 feet 08:52 AM HST.
High 0.5 feet 01:12 PM HST.
Sunrise 6:48 AM HST.
Sunset 6:27 PM HST.

Swell Summary

In response to strengthened trades over and upstream of the islands, east-facing shoreline surf will be on the rise the next couple of days. Recent satellite ASCAT wind observations verify a large region of strong trades upstream of the state that will generate a long fetch region. High Surf Advisory (HSA) level surf along eastern exposures is expected to develop Monday into Tuesday. These larger wind driven seas will impact eastern-facing shores through next week.

A couple of small, overlapping longer period west northwest swells will travel around the islands in the coming days. The first of these swells is arriving today and be leveling out from tonight through Tuesday afternoon. The second set of similar low west to northwest swells will be moving through during mid to late week. Surf along north and west-facing shores will remain far below HSA levels through Friday. Energy from far Southern Hemispheric gales may clip the islands and provide a subtle bump to south-facing shoreline surf today although much of this energy will pass east of the chain.

ARTICLE CONTINUES BELOW AD

NORTH EAST

ARTICLE CONTINUES BELOW AD

am        pm  

Surf: Knee to waist high E short period wind swell for the morning with occasional stomach sets. This builds to stomach to shoulder high for the afternoon.

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

ARTICLE CONTINUES BELOW AD

NORTH WEST

am        pm  

Surf: Minimal (ankle high or less) surf.

Conditions: Glassy in the early morning with WSW winds less than 5mph. Bumpy/semi bumpy conditions move in during the morning hours with the winds shifting WNW 5-10mph.

WEST

am        pm  

Surf: Minimal (ankle high or less) surf.

Conditions: Glassy in the early morning with NNE winds less than 5mph. Semi choppy conditions move in during the morning hours with the winds shifting NW 5-10mph.

SOUTH EAST

am        pm  

Surf: Knee to waist high E short period wind swell in the morning builds to waist to chest high for the afternoon.

Conditions: Sideshore texture/chop with NE winds 5-10mph in the morning shifting E 10-15mph in the afternoon.

Data Courtesy of NOAA.gov and SwellInfo.com

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