Hawaii County Surf Forecast for April 18, 2021

April 18, 2021, 6:00 AM HST

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Forecast for Big Island Leeward

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

TODAY

Weather

Partly sunny. Isolated showers.

High Temperature

In the lower 80s.

Winds

Southwest winds around 5 mph.

Tides
Kona	Low 0.1 feet 12:36 PM HST.
Kawaihae	High 0.5 feet 07:34 AM HST.
Kawaihae	Low 0.2 feet 12:52 PM HST.

Sunrise

6:03 AM HST.

Sunset

6:43 PM HST.

TONIGHT

Weather

Mostly cloudy until 12 AM, then partly
cloudy. Isolated showers.

Low Temperature

In the mid 60s.

Winds

Northwest winds around 5 mph.

Tides
Kona	High 1.5 feet 09:18 PM HST.
Kawaihae	High 1.7 feet 09:06 PM HST.
Kawaihae	Low 0.3 feet 05:36 AM HST.

MONDAY

Weather

Mostly sunny. Isolated showers.

High Temperature

In the lower 80s.

Winds

Northwest winds around 5 mph, becoming
west in the afternoon.

Tides
Kona	Low 0.2 feet 01:45 PM HST.
Kawaihae	High 0.4 feet 09:56 AM HST.
Kawaihae	Low 0.3 feet 02:02 PM HST.

Sunrise

6:03 AM HST.

Sunset

6:44 PM HST.

Swell Summary

Surf along north facing shores will hold steady through Monday due to a persistent short-to-medium period mix of north-northwest to north-northeast energy moving through. As this energy eases into Tuesday, a medium-period, moderate northwest swell should arrive and begin to build down the island chain Tuesday night through Wednesday. Expect this new swell to linger into next weekend before lowering. Surf along south facing shores will remain up into Monday, then trend down Tuesday through midweek as a south-southwest swell eases. A similar south-southwest swell will be possible late in the week.

NORTH EAST

am pm

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Surf: Minimal (ankle high or less) surf.

Conditions: Light sideshore texture in the morning with SSE winds 5-10mph. Sideshore texture/chop conditions for the afternoon with the winds shifting SE 10-15mph.

NORTH WEST

am pm

Surf: Minimal (ankle high or less) surf.

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Conditions: Semi glassy in the morning with ENE winds less than 5mph. Semi choppy conditions for the afternoon with the winds shifting WSW 5-10mph.

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 WSW 5-10mph.

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SOUTH EAST

am pm

Surf: Minimal (ankle high or less) surf.

Conditions: Light sideshore texture in the morning with NE winds 5-10mph. Semi choppy conditions for the afternoon with the winds shifting ENE 10-15mph.

Data Courtesy of NOAA.gov and SwellInfo.com