Chinamans Hat/Mokolii 48 hour detailed Surf Forecast

Lat Long: 21.51° N 157.83° W

Issued: 1 am 15 Sep 2026 (local time)

Forecast update in hr min

Today's Chinamans Hat/Mokolii sea temperature is

27.0°C

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

Surf Forecasts:

How big are the waves at Chinamans Hat/Mokolii today (15 Sep):

Morning surf: Morning surf (15 Sep, local time) - 2.5ft (0.8m), 5s period with ENE swell.
Afternoon surf: Afternoon surf (15 Sep, local time) - 1.5ft (0.4m), 12s period with E swell.
Evening surf: Evening surf (15 Sep, local time) - 2ft (0.6m), 8s period with NNE swell.

The current surf forecast for Chinamans Hat/Mokolii at 4AM is: 0.7m 8s primary swell from a Northeast direction and 0.3m 13s secondary swell from a East direction, 0.6m 4s secondary swell from a East-northeast direction (forecast issued at 01:00am September 15). The wind direction is predicted to be cross-onshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (15 Sep)	2.5ft (0.8m)	5s
Afternoon (15 Sep)	1.5ft (0.4m)	12s
Evening (15 Sep)	2ft (0.6m)	8s

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

	Short Range Forecast Moderate rain (total 16mm), heaviest on Thu night. Warm (max 27°C on Tue morning, min 25°C on Tue morning). Wind will be generally light.
	Tuesday 15								Wednesday 16								Thursday 17
	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	5 PM	8 PM	11 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	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	NE 8	NNE 8	ENE 5	NNE 8	E 12	NE 8	NNE 8	ENE 5	E 5	E 11	ENE 6	NE 6	NE 6	NE 6	NE 6	NE 6	NE 6	NE 7	NE 7	ENE 7	ENE 10	ENE 9	E 9	ENE 9
Wave Graph
kJ	65	56	36	51	45	111	39	56	69	59	109	95	98	114	148	171	216	244	313	455	782	660	521	708
Wind (km/h)	ENE	ENE	ENE	ENE	ENE	E	E	E	ENE	ENE	ENE	ENE	NE	NE	NE	NE	NE	NE	ENE	ENE	ENE	E	E	E
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore 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	cross
High Tide			5:14AM0.68m			2:47PM0.53m					6:20AM0.65m			2:04PM0.51m						8:21AM0.63m
Low Tide					11:17AM0.40m			10:26PM0.06m					12:48PM0.45m			10:53PM0.09m


	—	6:18	—	—	—	—	—	—	—	6:18	—	—	—	—	—	—	—	6:18	—	—	—	—	—	—
	—	—	—	—	—	6:34	—	—	—	—	—	—	—	6:32	—	—	—	—	—	—	—	6:31	—	—
mm	—	—	—	—	—	—	1	1	—	—	—	—	—	—	—	1	1	1	1	1	1	2	2	3
Temp °C	25	25	25	27	27	27	26	26	26	25	26	27	27	26	26	26	26	26	26	26	27	26	26	26
Feels °C	27	27	27	30	29	29	28	28	28	27	28	28	28	27	27	27	28	28	27	27	28	27	27	27
Swell 1 Height (m) Direction Period (s)	NE 8	NNE 8	NNE 8	NNE 8	NNE 8	E 12	NNE 8	NNE 8	NNE 8	NNE 7	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	SSW 16	SW 16	SSW 19	NNE 7	SW 18
kJ	65	56	36	51	39	44	39	39	37	47	53	73	72	73	75	98	71	96	125	25	40	35	94	82
Swell 2 Height (m) Direction Period (s)	NNE 10	E 13	NE 8	E 12	E 12	SSW 20	E 11	E 11	E 11	E 11	SW 18	SW 18	SW 18	SW 18	SW 18	SW 18	SW 17	SW 16	SW 16	SSW 19	SSW 19	SSW 16	SW 17	SE 10
kJ	9	30	16	26	45	37	39	38	37	57	82	80	79	79	79	78	76	69	66	37	37	24	71	4
Swell 3 Height (m) Direction Period (s)	E 13	SSW 21	E 13	SW 20	SSW 20	NE 8	SW 19	SW 19	SW 19	SW 19	SW 12	N 9	N 9	NNE 8	SW 11	SW 11	SW 11	S 11	SE 11	SE 11	S 10	S 10	S 10	NW 12
kJ	14	44	28	60	37	3	59	96	95	90	6	2	7	7	5	5	5	2	5	4	2	2	2	6
Wind waves Height (m) Direction Period (s)	ENE 4	ENE 4	ENE 5	ENE 5	ENE 5	NE 8	ENE 5	ENE 5	E 5	E 5	ENE 6	NE 6	NE 6	NE 6	NE 6	NE 6	NE 6	NE 7	NE 7	ENE 7	ENE 10	ENE 9	E 9	ENE 9
kJ	11	21	24	25	19	111	25	56	69	59	109	95	98	114	148	171	216	244	313	455	782	660	521	708
Nearest Offshore or Glassy	Goat Island/Mokuauia HAW - Oahu	Goat Island/Mokuauia HAW - Oahu	Abalolo Reef HAW - Oahu	Goat Island/Mokuauia HAW - Oahu	Abalolo Reef HAW - Oahu	Paradise HAW - Oahu	Waikiki HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Aligator Rock HAW - Oahu
Rating (10 max)	1	1	2	1	3	2	2	2	2	3	3	2	2	3	3	3	3	3	3	2	2	2	3	1
Distance (km)	19	19	24	19	24	27	27	25	25	25	25	25	25	35	35	35	35	35	35	25	25	35	35	28
Best forecast wave conditions in Oahu	Ranches	Ranches	Ranches	Abalolo Reef	Abalolo Reef	Off the Wall/Insanities	Off the Wall/Insanities	Kaena Point	Off the Wall/Insanities	Ranches	Ranches	Ranches	Ranches	Kaena Point	Makaha	Maili Point	Yokohama Bay	Yokohama Bay	Kaena Point	Kaena Point	Yokohama Bay	Makaha	Makaha	Yokohama Bay
Rating (10 max)	2	2	2	3	3	2	2	2	2	3	3	3	3	3	3	3	3	3	3	2	2	3	3	3
Best forecast wave conditions in United States	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Fullers CAL - Monterey	Abalolo Reef HAW - Oahu	Government Point CAL - Santa Barbara	Ma'alaea HAW - Maui	Fullers CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Ranches HAW - Oahu	Ranches HAW - Oahu	Ranches HAW - Oahu	Ranches HAW - Oahu	Kaena Point HAW - Oahu	Gale Point CAL - Humboldt	Gale Point CAL - Humboldt	Fullers CAL - Monterey	Moonstone Beach CAL - Humboldt	Blacks Beach CAL - San Diego County	Church CAL - Orange County	Ghost Tree CAL - Monterey	Pakalas HAW - Kaua'i	Gale Point CAL - Humboldt	Gale Point CAL - Humboldt
Rating (10 max)	4	4	3	4	3	2	2	3	2	3	3	3	3	3	3	3	3	3	3	3	2	3	3	3
Header Global	Ahijedero Mexico	Margaret River Bommie Australia	Cow Bombie Australia	Gas Bay Australia	Saint Leu Reunion	Saint Leu Reunion	Etang-Sale Reunion	Etang-Sale Reunion	Etang-Sale Reunion	Etang-Sale Reunion	Etang-Sale Reunion	Etang-Sale Reunion	Haapiti French Polynesia	Cronulla Point Australia	JD Reef Australia	Haapiti French Polynesia	Fare Left French Polynesia	Maraa French Polynesia	Papatowai New Zealand	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Blaketown Wedge New Zealand	Anse de Lesconil France
Rating (10 max)	4	5	5	5	6	6	6	6	5	5	5	5	5	5	5	5	5	5	8	5	5	5	5	4

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

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Chinamans Hat/Mokolii 48 hour detailed Surf Forecast

How big are the waves at Chinamans Hat/Mokolii today (15 Sep):

Short Range Forecast

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