Kapaniah Surf Forecast

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

USA (1297 breaks)

Surf Forecasts:

Kapaniah surfForecast / HAW – Big Island / USA

48hr Weather and Surf, issued 7 pm Tuesday 16 Sep 2025 HST

Forecast update in hr min s Forecast update imminent

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

Today's Kapaniah sea temperature is 26.9° C
(Which is normal for this time of year)

How big are the waves at Kapaniah today?

The current surf forecast for Kapaniah at 10PM is: 1.5m 6s primary swell from a East direction and 0.4m 9s secondary swell from a North direction (forecast issued at 07:00pm September 16). An open ocean swell of 0.1m 16s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (16 Sep)	-	-
Afternoon (16 Sep)	5ft (1.6m)	5s
Evening (16 Sep)	5ft (1.6m)	6s

Table - waves today at Kapaniah. (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
	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	ENE	ENE	ENE	ENE	ENE	ENE	E	ENE	N
Period(s) (?)	6	6	5	5	5	5	5	6	6	6	6	6	6	6	6	6	6	6	5	7	7	7	7	11
Wave Graph (?)
kJ (?)	183	163	131	92	80	83	124	294	350	237	200	151	146	149	304	338	246	201	117	118	118	92	153	114
Wind (km/h)	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	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)				12:09AM 0.43				12:56PM 0.88				12:54AM 0.51				1:28PM 0.89				1:31AM 0.59				1:55PM 0.87
Low Tide / height (m)		7:38PM 0.30				5:36AM 0.19				7:50PM 0.26				6:31AM 0.17					8:06PM 0.23			7:15AM 0.16

	Tuesday 16			Wednesday 17								Thursday 18								Friday 19
Sunrise	-	-	-	-	-	6:09	-	-	-	-	-	-	-	6:09	-	-	-	-	-	-	-	6:11	-	-
Sunset	6:23	-	-	-	-	-	-	-	6:23	-	-	-	-	-	-	-	6:22	-	-	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	1	-	-	-
Temp. °C	26	25	25	24	24	25	26	26	26	25	25	24	24	25	26	26	26	25	25	25	25	25	26	26
Feels °C (?)	24	23	22	22	22	23	24	24	24	23	23	22	22	23	24	25	26	25	25	26	25	24	25	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 Wind reports 23 km away suggest it is still onshore at Kapaniah (light winds from the NE at Waiaka wx). 1.4m 7s swell from the E with a 0.5m 9s swell from the N. 2 swells combining to make bigger set waves.
1 hour 25 minutes ago Kapaniah

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23 km away, 1 h 25 min ago

18 km/h

0.0

26.9

Air / Water (°C)

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