Chinamans Hat/Mokolii 48 hour detailed Surf Forecast

Lat Long: 21.51° N 157.83° W

Issued: 1 pm 16 Sep 2026 (local time)

Forecast update in hr min

Today's Chinamans Hat/Mokolii sea temperature is

27.1°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 (16 Sep):

Morning surf: Morning surf (16 Sep, local time) - 4ft (1.2m), 6s period with NE swell.
Afternoon surf: Afternoon surf (16 Sep, local time) - 5ft (1.5m), 6s period with ENE swell.
Evening surf: Evening surf (16 Sep, local time) - 5.5ft (1.7m), 6s period with NE swell.

The current surf forecast for Chinamans Hat/Mokolii at 7PM is: 1.7m 6s primary swell from a East-northeast direction and 0.6m 10s secondary swell from a East direction (forecast issued at 01:00pm September 16). An open ocean swell of 0.4m 18s 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)	4ft (1.2m)	6s
Afternoon (16 Sep)	5ft (1.5m)	6s
Evening (16 Sep)	5.5ft (1.7m)	6s

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

	Short Range Forecast Moderate rain (total 14mm), heaviest on Thu night. Warm (max 27°C on Wed afternoon, min 25°C on Wed night). Wind will be generally light.
	Wed 16					Thursday 17								Friday 18
	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
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	NE 6	ENE 6	NE 6	ENE 6	NE 7	NE 7	NE 7	ENE 7	ENE 7	ENE 7	ENE 8	ENE 9	ENE 9	ENE 8	ENE 8	ENE 8	ENE 8	ENE 8	ENE 7	ENE 7	E 7
Wave Graph
kJ	124	164	182	216	278	295	323	419	469	545	559	689	608	474	486	507	449	472	456	432	439
Wind (km/h)	ENE	ENE	NE	NE	NE	NE	NE	ENE	ENE	ENE	ENE	ENE	E	ENE	ENE	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
High Tide			2:04PM0.51m						8:21AM0.63m								10:19AM0.65m
Low Tide		12:48PM0.45m			10:53PM0.09m									11:32PM0.13m


	—	—	—	—	—	—	6:18	—	—	—	—	—	—	—	6:18	—	—	—	—	—	—
	—	—	6:32	—	—	—	—	—	—	—	6:31	—	—	—	—	—	—	—	6:30	—	—
mm	1	1	1	1	1	1	1	1	1	1	1	2	1	—	—	—	1	—	—	—	—
Temp °C	27	27	26	26	26	26	25	25	26	26	26	26	26	25	25	26	27	27	27	26	26
Feels °C	29	28	27	27	27	27	26	26	27	27	27	27	27	26	25	26	27	27	27	27	27
Swell 1 Height (m) Direction Period (s)	E 10	SW 18	E 10	E 10	E 10	E 10	E 10	SW 16	SSW 16	SW 16	SSW 19	SW 19	SW 18	SSW 18	SW 17	SSW 17	SSW 17	SW 17	SW 17	SSW 16	SSW 16
kJ	51	79	73	75	72	96	94	66	25	66	35	89	83	124	76	119	116	74	71	107	50
Swell 2 Height (m) Direction Period (s)	SW 18	N 9	SW 18	SW 18	SW 18	SW 17	SW 16	S 11	SSW 19	SW 19	SSW 16	S 10	S 10	S 10	SSW 18	S 10	S 10	S 10	SE 8	SSE 6	SW 16
kJ	80	7	79	79	78	76	69	2	37	15	24	2	2	2	31	2	2	2	2	4	43
Swell 3 Height (m) Direction Period (s)	N 9	SW 11	SW 11	SW 11	SW 11	SW 11	S 11	SW 11	S 11	S 20	SE 10	S 10	NW 12	NW 12	SE 10	NW 11	NW 10	NW 10	S 21	S 21	SE 9
kJ	2	5	5	5	5	5	2	5	2	8	4	2	6	6	4	5	4	4	9	8	3
Wind waves Height (m) Direction Period (s)	NE 6	ENE 6	NE 6	ENE 6	NE 7	NE 7	NE 7	ENE 7	ENE 7	ENE 7	ENE 8	ENE 9	ENE 9	ENE 8	ENE 8	ENE 8	ENE 8	ENE 8	ENE 7	ENE 7	E 7
kJ	124	164	182	216	278	295	323	419	469	545	559	689	608	474	486	507	449	472	456	432	439
Nearest Offshore or Glassy	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	Nanakuli Blackrocks HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Sewers (Maili) HAW - Oahu	Aligator Rock HAW - Oahu	Aligator Rock HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Sewers (Maili) HAW - Oahu	Maili Cloudbreak HAW - Oahu	Maili Cloudbreak HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Nanakuli Blackrocks HAW - Oahu
Rating (10 max)	3	3	3	3	3	3	2	2	2	2	1	1	3	3	3	3	1	3	3	3	3
Distance (km)	25	35	35	35	35	35	35	35	35	37	28	28	35	35	35	35	37	38	38	35	35
Best forecast wave conditions in Oahu	Kaena Point	Makaha	Makaha	Makaha	Makaha	Yokohama Bay	Makaha	Makaha	Makaha	Makaha	Yokohama Bay	Yokohama Bay	Kaena Point	Kaena Point	Kaena Point	Kaena Point	Kaena Point	Kaena Point	Kaena Point	Kaena Point	Kaena Point
Rating (10 max)	3	3	3	3	3	3	2	2	3	3	3	3	3	3	3	3	3	3	3	3	3
Best forecast wave conditions in United States	Kaena Point HAW - Oahu	Gale Point CAL - Humboldt	Cape Sebastian Oregon South	Fossil Beach Kodiak Alaska - Kodiak Island	The Point_Punaluu HAW - Big Island	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Ghost Tree CAL - Monterey	Makaha HAW - Oahu	Majors Bay HAW - Kaua'i	Hilo Breakwall HAW - Big Island	Fullers CAL - Monterey	Church CAL - Orange County	Magics HAW - Big Island	Waiaha Rivermouth / Honls HAW - Big Island	Magics HAW - Big Island	Majors Bay HAW - Kaua'i	Gale Point CAL - Humboldt	Waiaha Rivermouth / Honls HAW - Big Island	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo
Rating (10 max)	3	3	3	3	3	3	3	2	3	3	3	3	3	3	3	3	3	3	3	3	3
Header Global	Grindavik Lighthouse ( Hopsnesta) Iceland	Grindavik Antenas Iceland	Grindavik Antenas Iceland	Haapiti French Polynesia	Papatowai New Zealand	Luna Park Australia	Easter Reef Australia	Charleston New Zealand	Fox River New Zealand	Guns Namibia	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Charleston New Zealand	Playa Aguilera Spain	El Huerto Spain	Cathedral Rock Australia	Cathedral Rock Australia	Afife Portugal	May's Point Australia	Quarantine Australia
Rating (10 max)	5	5	6	5	7	5	5	5	5	5	9	9	8	5	5	5	6	6	4	5	5

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 (16 Sep):

Short Range Forecast

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