Kapoho Bay Surf Forecast

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

USA (1297 breaks)

Surf Forecasts:

Kapoho Bay surfForecast / HAW – Big Island / USA

48hr Weather and Surf, issued 1 pm Tuesday 16 Sep 2025 HST

Forecast update in hr min s Forecast update imminent

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

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

How big are the waves at Kapoho Bay today?

The current surf forecast for Kapoho Bay at 7PM is: 1.4m 8s primary swell from a East-southeast direction (forecast issued at 01:00pm September 16). An open ocean swell of 0.4m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.

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

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Tuesday 16					Wednesday 17								Thursday 18								Friday 19
	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	1	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	1	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	ESE	ESE	E	E	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	E	ESE	ESE	ESE	ESE	ESE	ESE	ESE	E	E
Period(s) (?)	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	7	8	8	8	7	8	8	7
Wave Graph (?)
kJ (?)	240	270	264	295	251	257	257	266	259	246	246	240	266	266	258	266	228	234	204	196	191	169	163	156
Wind (km/h)	NE	NE	NE	NNE	NE	NE	NE	NE	E	E	E	ENE	E	NE	ENE	NE	NE	NE	NE	NNE	NNE	NNE	NNE	NNE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross	cross	cross- on	cross- on	cross	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross	cross- on	cross	cross	cross	cross	cross- off	cross
High Tide / height (m)		12:21PM 0.90				12:31AM 0.49				1:06PM 0.93				1:16AM 0.57				1:41PM 0.95				1:53AM 0.66
Low Tide / height (m)				7:34PM 0.28				5:58AM 0.20				7:56PM 0.23				6:54AM 0.17					8:17PM 0.19			7:38AM 0.15

	Tuesday 16					Wednesday 17								Thursday 18								Friday 19
Sunrise	-	-	-	-	-	-	-	6:07	-	-	-	-	-	-	-	6:07	-	-	-	-	-	-	-	6:07
Sunset	-	-	6:21	-	-	-	-	-	-	-	6:20	-	-	-	-	-	-	-	6:19	-	-	-	-	-

Rain (mm)	-	-	-	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	26	26	25	25	24	24	24	26	25	25	25	25	25	24	24	25	25	26	25	25	25	24	24	25
Feels °C (?)	26	25	24	25	24	25	25	27	24	24	25	25	26	25	24	27	26	27	26	27	27	26	26	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 Kapoho Bay (calm at Hawaiian Paradise Park wx 16 km from Kapoho Bay). 1.5m 8s swell from the E with a 0.5m 8s swell from the NE. 2 swells combining to make bigger set waves.
1 hour 21 minutes ago Kapoho Bay

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16 km away, 1 h 21 min ago

0 km/h

0.0

26.8

Air / Water (°C)

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