Chinamans Hat/Mokolii Surf Forecast

/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /

USA (1297 breaks) / Lat Long: (21.51° N 157.83° W)

Surf Forecasts:

Chinamans Hat/Mokolii surfForecast / HAW – Oahu / USA

48hr Weather and Surf, issued 1 pm Saturday 25 Oct 2025 HST

Forecast update in hr min s Forecast update imminent

Chinamans Hat/Mokolii surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Chinamans Hat/Mokolii sea temperature is 26.6° C
(Which is normal for this time of year)

How big are the waves at Chinamans Hat/Mokolii today?

The current surf forecast for Chinamans Hat/Mokolii at 6PM is: 1.3m 12s primary swell from a North-northwest direction and 2.0m 7s secondary swell from a East-northeast direction (forecast issued at 01:00pm October 25). An open ocean swell of 0.2m 13s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & Date	Wave Height	Wave Period
Morning (25 Oct)	5ft (1.5m)	13s
Afternoon (25 Oct)	4.5ft (1.3m)	13s
Evening (25 Oct)	4ft (1.2m)	12s

Table - waves today at Chinamans Hat/Mokolii. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Saturday 25					Sunday 26								Monday 27								Tuesday 28
	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	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 (?)	NNW	NNW	NNW	NNW	NNW	NNW	ENE	ENE	ENE	E	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW
Period(s) (?)	13	13	12	12	12	12	7	7	7	7	11	11	11	11	12	11	11	12	12	12	11	11	11	12
Wave Graph (?)
kJ (?)	653	560	510	393	383	346	301	317	285	247	214	210	206	210	246	229	229	242	246	237	173	167	173	211
Wind (km/h)	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	ENE	ENE	ENE	ENE	ENE	ENE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross	cross	cross	cross- on	cross- on	cross- on	cross- on	cross	cross	cross- on	cross- on	cross	cross	cross	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)		1:13PM 0.44						5:42AM 0.71								7:09AM 0.68
Low Tide / height (m)		12:12PM 0.39			9:26PM 0.02								9:56PM 0.05								10:34PM 0.09

	Saturday 25					Sunday 26								Monday 27								Tuesday 28
Sunrise	-	-	-	-	-	-	-	6:31	-	-	-	-	-	-	-	6:31	-	-	-	-	-	-	-	6:31
Sunset	-	-	5:59	-	-	-	-	-	-	-	5:58	-	-	-	-	-	-	-	5:58	-	-	-	-	-

Rain (mm)	-	-	-	-	1	1	3	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	2	-
Temp. °C	26	26	25	25	25	25	24	25	25	25	25	25	25	24	25	25	25	25	25	25	24	24	24	25
Feels °C (?)	24	24	23	24	25	25	24	24	24	24	25	25	25	24	25	25	26	25	25	25	24	24	25	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 - Oahu

Wind Update Continuing clean conditions at Chinamans Hat/Mokolii (light winds from the ENE at BUOY-HRRH1 9 km from Chinamans Hat/Mokolii). 1.9m 7s swell from the ENE with a 1.2m 15s groundswell from the NNW. 2 swells combining so expect closeout sets.
15 hours 31 minutes ago Chinamans Hat/Mokolii

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