Waipio Valley Surf Forecast

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

USA (1297 breaks)

Surf Forecasts:

Waipio Valley surfForecast / HAW – Big Island / USA

48hr Weather and Surf, issued 1 pm Thursday 18 Sep 2025 HST

Forecast update in hr min s Forecast update imminent

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

Today's Waipio Valley sea temperature is 26.8° C
(Which is normal for this time of year)

How big are the waves at Waipio Valley today?

The current surf forecast for Waipio Valley at 7PM is: 1.4m 6s primary swell from a East direction and 0.6m 8s secondary swell from a North direction, 0.3m 13s secondary swell from a North direction (forecast issued at 01:00pm September 18). The wind direction is predicted to be cross-onshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (18 Sep)	5ft (1.5m)	6s
Afternoon (18 Sep)	5.5ft (1.7m)	6s
Evening (18 Sep)	4ft (1.2m)	7s

Table - waves today at Waipio Valley. (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								Sunday 21
	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	5 AM	8 AM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	E	E	E	E	E	E	N	N	N	N	N	N	NNE	NNE	NNE	NE	ENE	NE	NE	ENE	ENE	ENE	NE	NE
Period(s) (?)	6	6	6	7	7	7	12	11	11	11	11	11	8	8	8	8	7	8	7	7	8	8	8	8
Wave Graph (?)
kJ (?)	152	199	178	149	117	97	177	92	118	149	112	110	106	145	79	74	181	283	242	279	257	247	183	239
Wind (km/h)	E	ENE	E	E	E	E	E	E	ENE	ENE	ENE	ENE	ENE	E	E	E	ENE	ENE	E	E	E	E	E	E
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- on	cross- on	cross	cross	cross	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	cross	cross	cross	cross- on
High Tide / height (m)		1:22PM 0.87				1:23AM 0.59				1:51PM 0.86				1:59AM 0.66					2:17PM 0.83				2:33AM 0.72
Low Tide / height (m)				7:56PM 0.24				7:10AM 0.16					8:15PM 0.21			7:51AM 0.17					8:34PM 0.19

	Thursday 18					Friday 19								Saturday 20								Sunday 21
Sunrise	-	-	-	-	-	-	-	6:09	-	-	-	-	-	-	-	6:09	-	-	-	-	-	-	-	6:09
Sunset	-	-	6:22	-	-	-	-	-	-	-	6:21	-	-	-	-	-	-	-	6:20	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	1	1	1	1	1	1	1	-	-	-	-	-	-
Temp. °C	28	28	27	26	25	25	25	26	28	27	27	26	25	25	25	26	27	27	27	26	25	25	25	26
Feels °C (?)	27	27	26	25	24	25	25	25	27	26	27	26	25	26	25	26	27	28	28	27	26	26	25	25

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 Waipio Valley (calm at Kapulena wx 7 km from Waipio Valley). 1.4m 7s swell from the E with a 0.7m 8s swell from the N and a 0.3m 13s groundswell, also from the N. 3 swells combining to make bigger set waves.
1 hour 2 minutes ago Waipio Valley

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1 h 2 min ago

5 km/h

Clean

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