Blonde Reef Surf Forecast

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

USA (1297 breaks)

Surf Forecasts

Blonde Reef surfForecast / HAW – Big Island / USA

48hr Weather and Surf, issued 1 am Sunday 17 Aug 2025 HST

Forecast update in hr min s Forecast update imminent

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

Today's Blonde Reef sea temperature is 26.4° C
(Which is normal for this time of year)

How big are the waves at Blonde Reef today?

The current surf forecast for Blonde Reef at 3AM is: 0.9m 9s primary swell from a North-northeast direction and 1.0m 8s secondary swell from a East-southeast direction (forecast issued at 01:00am August 17). The wind direction is predicted to be cross-shore.

Time (HST) & Date	Wave Height	Wave Period
Morning (17 Aug)	3ft (0.9m)	8s
Afternoon (17 Aug)	3ft (0.9m)	8s
Evening (17 Aug)	3ft (0.9m)	8s

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

Hourly 12 Days

Big Island Surf

Print Surf Table

Updates in hr min s Forecast update imminent

		Sunday 17								Monday 18								Tuesday 19
	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	5 PM	8 PM
Rating (10 max)	1	1	1	1	1	0	0	1	2	1	1	2	2	1	1	0	0	1	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	NNE	ESE	NNE	NNE	NNE	NE	NE	ESE	NE	NE	NNE	E	ENE	ESE	ESE	ESE	ENE	ENE	ENE	ENE	ENE	ENE	E
Period(s) (?)	8	9	8	8	8	8	8	8	7	8	7	8	7	7	8	8	8	7	7	7	7	7	7	7
Wave Graph (?)
Energy (?)	294	262	246	235	215	199	177	177	305	190	189	210	208	206	216	191	195	305	190	163	163	159	165	155
Wind (km/h)	WNW	W	WNW	NNW	NE	NE	ENE	ENE	SE	SSE	SSW	S	ESE	E	E	E	E	ENE	NE	ENE	ENE	NE	NE	NNE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross- on	cross- on	cross- on	cross- on	cross- on	glass	cross- off	off	cross- off	off	cross- off	cross- off	cross	cross	cross	cross	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)						11:43AM 0.77			9:46PM 0.33					12:42PM 0.83				11:41PM 0.34				1:28PM 0.87
Low Tide / height (m)			3:17AM 0.03					7:39PM 0.31			4:38AM 0.02						8:01PM 0.26			5:49AM -0.02

		Sunday 17								Monday 18								Tuesday 19
Sunrise	-	-	-	6:00	-	-	-	-	-	-	-	6:01	-	-	-	-	-	-	-	6:01	-	-	-	-
Sunset	-	-	-	-	-	-	6:46	-	-	-	-	-	-	-	6:45	-	-	-	-	-	-	-	6:45	-

Rain (mm)	-	-	-	-	-	-	-	1	1	1	1	-	-	-	-	1	1	1	1	1	-	-	-	-
Temp. °C	25	25	25	26	27	27	27	25	25	25	25	26	27	27	27	25	25	25	25	25	26	26	26	25
Feels °C (?)	27	27	28	29	29	28	29	29	28	28	27	28	28	28	29	28	28	28	28	27	28	27	28	28

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 Blonde Reef (light winds from the W at BUOY-ILOH1 2 km from Blonde Reef). 1.2m 7s swell from the ESE with a 1.2m 9s swell from the NE and a 0.8m 9s swell, also from the NE. 3 swells combining so expect closeout sets.
1 hour 29 minutes ago Blonde Reef

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1 h 29 min ago

9 km/h

Clean

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