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 1 am Tuesday 21 Oct 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 26.7° 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 2AM is: 0.8m 12s primary swell from a North-northwest direction and 0.1m 22s secondary swell from a North direction, 1.2m 8s secondary swell from a East-northeast direction (forecast issued at 01:00am October 21). The wind direction is predicted to be cross-onshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (21 Oct)	4ft (1.2m)	7s
Afternoon (21 Oct)	4ft (1.2m)	7s
Evening (21 Oct)	2.5ft (0.7m)	16s

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

		Tuesday 21								Wednesday 22								Thursday 23
	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)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ENE	NNW	NNW	ENE	ENE	ENE	NNW	NNW	NNW	NNW	NNW	NNW	NNW	ENE	ENE	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW
Period(s) (?)	8	12	12	7	7	7	16	16	15	15	14	13	13	7	7	21	20	19	18	18	16	16	15	15
Wave Graph (?)
kJ (?)	186	161	161	157	157	153	232	196	191	188	163	158	156	176	191	297	615	913	1156	1245	1393	1393	1274	983
Wind (km/h)	E	E	E	E	ENE	ENE	ENE	E	E	E	E	E	ENE	ENE	ENE	E	E	E	E	E	E	ENE	ENE	E
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- on	cross- on	cross- 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	cross- on	cross- on
High Tide / height (m)			2:54AM 0.87				2:19PM 0.60				3:24AM 0.89				2:43PM 0.56				3:57AM 0.90				3:05PM 0.52
Low Tide / height (m)	8:05PM 0.11				9:13AM 0.30				8:26PM 0.10				9:52AM 0.32				8:48PM 0.09				10:33AM 0.34

		Tuesday 21								Wednesday 22								Thursday 23
Sunrise	-	-	-	6:18	-	-	-	-	-	-	-	6:18	-	-	-	-	-	-	-	6:18	-	-	-	-
Sunset	-	-	-	-	-	-	5:53	-	-	-	-	-	-	-	5:52	-	-	-	-	-	-	-	5:52	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	24	24	24	25	26	26	25	25	24	24	24	25	27	26	25	25	24	24	24	25	27	27	26	25
Feels °C (?)	23	23	24	24	24	25	25	24	23	23	23	23	25	24	23	23	23	23	23	24	25	25	24	23

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 (calm at Honokaa 13 km from Waipio Bay). 1.4m 8s swell from the ENE with a 1.2m 10s swell from the NNE and a 0.6m 13s groundswell from the NNW. 3 swells combining so expect closeout sets.
56 minutes ago Waipio Bay

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Actual: 56 min ago

3 km/h

Clean

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