Shacks Surf Forecast

/ HAW – Big Island (60 breaks) / Hawaii (267 breaks) /

USA (1297 breaks)

Surf Forecasts:

Shacks surfForecast / HAW – Big Island / USA

48hr Weather and Surf, issued 7 pm Friday 22 Aug 2025 HST

Forecast update in hr min s Forecast update imminent

Shacks surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Shacks sea temperature is 26.6° C
(Which is normal for this time of year)

How big are the waves at Shacks today?

The current surf forecast for Shacks at 11PM is: 1.5m 8s primary swell from a East direction and 0.6m 12s secondary swell from a South direction (forecast issued at 07:00pm August 22). The wind direction is predicted to be cross-onshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (22 Aug)	-	-
Afternoon (22 Aug)	5ft (1.6m)	8s
Evening (22 Aug)	5ft (1.5m)	8s

Table - waves today at Shacks. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Friday 22			Saturday 23								Sunday 24								Monday 25
	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	1	1	1	0	0	0	0	0	1	1	1	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	ESE	E	E	E	E	E	E	E	E	E	E	E	E	E	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE
Period(s) (?)	8	8	8	8	8	8	8	8	8	8	8	8	8	8	9	9	9	9	9	8	8	8	8	8
Wave Graph (?)
Energy (?)	465	411	403	559	478	554	556	565	569	577	583	552	550	544	551	455	483	480	432	378	378	378	370	370
Wind (km/h)	ENE	ENE	NE	ENE	ENE	E	E	E	E	E	ENE	ENE	ENE	E	E	E	E	ENE	ENE	E	ENE	ENE	ENE	E
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	on	on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)					3:15AM 0.68				3:43PM 0.99				3:51AM 0.72				4:08PM 0.94				4:26AM 0.76
Low Tide / height (m)			9:46PM 0.18				9:04AM 0.08				10:09PM 0.16				9:41AM 0.12				10:31PM 0.15				10:17AM 0.18

	Friday 22			Saturday 23								Sunday 24								Monday 25
Sunrise	-	-	-	-	-	6:01	-	-	-	-	-	-	-	6:01	-	-	-	-	-	-	-	6:01	-	-
Sunset	6:42	-	-	-	-	-	-	-	6:40	-	-	-	-	-	-	-	6:39	-	-	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	1	-	-	-	-	-	-	1	-	-	-	-	-	-	-	-	-	-
Temp. °C	26	25	25	25	25	25	25	25	25	25	25	24	24	24	26	26	25	25	24	24	24	25	26	26
Feels °C (?)	25	25	26	25	26	24	23	24	24	25	25	24	25	24	24	24	25	26	24	26	25	26	25	26

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for HAW - Big Island

Wind Update Continuing clean conditions at Shacks (calm at Hawaiian Paradise Park wx 16 km from Shacks). 1.3m 8s swell from the E with a 0.5m 12s groundswell from the S. 2 swells combining to make bigger set waves.
1 hour 18 minutes ago Shacks

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16 km away, 1 h 18 min ago

0 km/h

0.0

26.6

Air / Water (°C)

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