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 pm Monday 15 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 26.9° 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 1AM is: 1.3m 8s primary swell from a East direction and 0.6m 9s secondary swell from a North direction (forecast issued at 07:00pm September 15). The wind direction is predicted to be cross-onshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (16 Sep)	3.5ft (1.1m)	8s
Afternoon (16 Sep)	4.5ft (1.4m)	5s
Evening (16 Sep)	4ft (1.2m)	8s

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

	Monday 15			Tuesday 16								Wednesday 17								Thursday 18
	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	11 AM	2 PM
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	E	E	E	E	E	E	E	E
Period(s) (?)	8	8	8	8	8	8	8	5	5	8	8	8	5	6	5	5	6	5	5	7	7	7	7	5
Wave Graph (?)
Energy (?)	291	288	287	248	289	241	192	125	116	202	191	159	111	125	137	149	190	149	126	226	218	247	257	169
Wind (km/h)	E	E	E	E	E	E	ENE	ENE	E	E	E	E	E	E	ENE	ENE	E	E	E	E	E	E	ENE	ENE
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	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)			10:31PM 0.39					12:06PM 0.85				11:53PM 0.45				12:48PM 0.87				12:43AM 0.52				1:22PM 0.87
Low Tide / height (m)		7:06PM 0.35			4:14AM 0.21					7:18PM 0.31				5:28AM 0.18				7:37PM 0.28				6:24AM 0.16

	Monday 15			Tuesday 16								Wednesday 17								Thursday 18
Sunrise	-	-	-	-	-	6:09	-	-	-	-	-	-	-	6:09	-	-	-	-	-	-	-	6:09	-	-
Sunset	6:24	-	-	-	-	-	-	-	6:23	-	-	-	-	-	-	-	6:22	-	-	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	26	25	25	24	24	26	28	27	26	25	25	24	24	26	28	27	27	25	25	25	25	26	28	27
Feels °C (?)	26	25	24	23	22	25	27	26	25	24	23	23	23	24	26	25	27	24	24	24	23	24	27	27

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 Kapulena wx 6 km from Waipio Bay). 1.4m 8s swell from the E with a 0.7m 9s swell from the N and a 0.5m 9s swell, also from the N. 3 swells combining to make bigger set waves.
49 minutes ago Waipio Bay

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Actual: 49 min ago

0 km/h

ESE

Clean

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