Hilo Breakwall Surf Forecast

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

USA (1297 breaks)

Surf Forecasts:

Hilo Breakwall surfForecast / HAW – Big Island / USA

48hr Weather and Surf, issued 7 am Thursday 18 Sep 2025 HST

Forecast update in hr min s Forecast update imminent

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

Today's Hilo Breakwall sea temperature is 26.7° C
(Which is normal for this time of year)

How big are the waves at Hilo Breakwall today?

The current surf forecast for Hilo Breakwall at 2PM is: 1.2m 7s primary swell from a East direction and 0.5m 8s secondary swell from a North direction (forecast issued at 07:00am September 18). The wind direction is predicted to be cross-shore.

Time (HST) & Date	Wave Height	Wave Period
Morning (18 Sep)	4.5ft (1.3m)	7s
Afternoon (18 Sep)	4ft (1.2m)	7s
Evening (18 Sep)	4ft (1.2m)	7s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thursday 18							Friday 19								Saturday 20								Sun 21
	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	11 PM	2 AM
Rating (10 max)	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	1	0	1	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	E	E	E	E	E	E	E	E	E	E	E	N	N	N	N	NNE	NNE	NNE	NNE	NE	NE	NE	NE	NE
Period(s) (?)	7	7	7	7	7	7	7	7	7	7	7	11	11	11	11	8	8	8	8	8	8	8	8	8
Wave Graph (?)
kJ (?)	167	167	147	147	147	152	127	127	124	103	100	85	114	112	108	120	145	123	162	93	125	113	177	173
Wind (km/h)	ESE	SSE	ESE	E	E	NE	NNE	NNE	NNE	NNE	NE	NE	NNE	NNE	NNE	NE	NNE	NE	ENE	E	E	ESE	SSE	SSE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	glass	cross- off	cross	cross	cross- on	cross- on	glass	on	on	cross- on	cross- on	cross- on	on	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross- off	cross- off	off	off
High Tide / height (m)				1:36PM 0.84				1:36AM 0.55					2:04PM 0.83				2:12AM 0.62				2:29PM 0.81
Low Tide / height (m)		6:43AM 0.05					8:08PM 0.14			7:27AM 0.05					8:28PM 0.11				8:05AM 0.06				8:48PM 0.08

	Thursday 18							Friday 19								Saturday 20								Sun 21
Sunrise	-	6:07	-	-	-	-	-	-	-	6:07	-	-	-	-	-	-	-	6:07	-	-	-	-	-	-
Sunset	-	-	-	-	6:20	-	-	-	-	-	-	-	6:19	-	-	-	-	-	-	-	6:17	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	1	3	4	4	2	4	4	2	1	1	-	-
Temp. °C	24	25	26	26	26	25	25	25	25	25	26	26	26	26	26	25	25	26	26	26	25	25	25	25
Feels °C (?)	25	27	28	27	28	28	27	28	27	27	27	27	28	28	28	28	28	28	28	28	27	28	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 Hilo Breakwall (light winds from the E at BUOY-ILOH1 2 km from Hilo Breakwall). 0.7m 7s swell from the ENE with a 0.2m 9s swell from the NNW. 2 swells combining to make bigger set waves.
1 hour 32 minutes ago Hilo Breakwall

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1 h 32 min ago

9 km/h

Clean

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