Chocks Surf Forecast

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

USA (1297 breaks)

Surf Forecasts:

Chocks surfForecast / HAW – Big Island / USA

48hr Weather and Surf, issued 7 am Monday 15 Sep 2025 HST

Forecast update in hr min s Forecast update imminent

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

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

How big are the waves at Chocks today?

The current surf forecast for Chocks at 10AM is: 0.5m 10s primary swell from a North direction (forecast issued at 07:00am September 15). An open ocean swell of 1.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (15 Sep)	1.5ft (0.5m)	10s
Afternoon (15 Sep)	1.5ft (0.5m)	10s
Evening (15 Sep)	1.5ft (0.5m)	10s

Table - waves today at Chocks. (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								Thu 18
	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	1	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	N	N	N	N	N	N	N	N	N	N	NNW	NNW	NNW	NNW	N	N	ENE	N	N	N	N	N	N	N
Period(s) (?)	10	10	10	10	10	10	10	10	10	9	9	9	9	9	9	8	7	8	8	8	8	8	8	9
Wave Graph (?)
Energy (?)	51	51	50	50	49	48	47	47	47	44	28	27	26	26	24	23	71	12	12	12	12	14	7	15
Wind (km/h)	W	NNW	NE	ENE	NE	ENE	ENE	ENE	W	W	ENE	E	NE	NE	WNW	NNW	E	ESE	E	E	E	SE	S	W
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	on	cross- on	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- on	glass	cross- off	cross- off	cross- off	glass	glass	glass	glass	off	cross- off	off	off	off	glass	cross- on
High Tide / height (m)				11:25AM 0.78			10:53PM 0.33					12:21PM 0.82				12:08AM 0.40				1:02PM 0.84				12:57AM 0.48
Low Tide / height (m)	3:00AM 0.10					7:08PM 0.26			4:38AM 0.10					7:27PM 0.22				5:50AM 0.07				7:47PM 0.18

	Monday 15							Tuesday 16								Wednesday 17								Thu 18
Sunrise	-	6:07	-	-	-	-	-	-	-	6:07	-	-	-	-	-	-	-	6:07	-	-	-	-	-	-
Sunset	-	-	-	-	6:22	-	-	-	-	-	-	-	6:22	-	-	-	-	-	-	-	6:21	-	-	-

Rain (mm)	-	-	-	-	-	1	1	-	-	-	-	-	-	-	-	-	-	1	-	-	-	-	-	-
Temp. °C	24	25	26	26	26	25	25	24	24	25	26	26	25	24	24	24	24	24	26	26	25	25	24	24
Feels °C (?)	25	27	27	26	28	27	26	26	26	27	27	27	27	26	26	27	27	27	27	27	27	27	26	24

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 Cross-on wind has become light (light winds from the WSW at Hilo Airport 2 km from Chocks). 0.6m 9s swell from the NNW to make surfable waves.
2 hours 11 minutes ago Chocks

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2 h 11 min ago

7 km/h

WSW

Clean

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