Waipio Bay Surf Forecast

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

USA (1297 breaks) / Lat Long: (20.12° N 155.58° W)

Surf Forecasts:

Waipio Bay surfForecast / HAW – Big Island / USA

48hr Weather and Surf, issued 7 am Wednesday 17 Sep 2025 HST

Forecast update in hr min s Forecast update imminent

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

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

How big are the waves at Waipio Bay today?

The current surf forecast for Waipio Bay at 9AM is: 1.2m 7s primary swell from a East direction and 0.4m 8s secondary swell from a North direction, 0.4m 8s secondary swell from a North direction (forecast issued at 07:00am September 17). The wind direction is predicted to be cross-onshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (17 Sep)	4ft (1.2m)	7s
Afternoon (17 Sep)	5.5ft (1.7m)	5s
Evening (17 Sep)	5ft (1.6m)	6s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Wednesday 17							Thursday 18								Friday 19								Sat 20
	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	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	E	E	E	E	E	E	E	E	E	E	N	N	N	N	N	N	N	N
Period(s) (?)	7	7	7	5	6	6	6	7	7	7	7	5	5	7	7	7	12	11	11	11	11	11	11	10
Wave Graph (?)
kJ (?)	155	155	155	131	207	158	139	168	173	193	198	117	115	153	116	97	98	92	87	114	112	110	108	102
Wind (km/h)	E	E	ENE	E	E	E	E	E	E	E	ENE	ENE	E	E	E	E	E	E	ENE	ENE	ENE	E	E	E
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	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	cross- on	cross- on	on	on	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)				12:48PM 0.87				12:43AM 0.52				1:22PM 0.87				1:23AM 0.59				1:51PM 0.86				1:59AM 0.66
Low Tide / height (m)		5:28AM 0.18				7:37PM 0.28				6:24AM 0.16				7:56PM 0.24				7:10AM 0.16					8:15PM 0.21

	Wednesday 17							Thursday 18								Friday 19								Sat 20
Sunrise	-	6:09	-	-	-	-	-	-	-	6:09	-	-	-	-	-	-	-	6:09	-	-	-	-	-	-
Sunset	-	-	-	-	6:22	-	-	-	-	-	-	-	6:22	-	-	-	-	-	-	-	6:21	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	2	1	1
Temp. °C	24	26	28	28	27	25	25	24	25	26	28	28	27	26	26	25	25	26	28	27	26	26	25	25
Feels °C (?)	23	25	27	27	26	25	25	23	24	25	27	27	26	25	25	25	25	26	26	26	27	27	26	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 Waipio Bay (light winds from the E at Kapulena wx 6 km from Waipio Bay). 1.3m 7s swell from the E with a 0.5m 8s swell from the N and a 0.3m 8s swell, also from the N. 3 swells combining to make bigger set waves.
44 minutes ago Waipio Bay

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Actual: 44 min ago

6 km/h

Clean

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