Big Lefts 48 hour detailed Surf Forecast

Lat Long: 21.29° N 157.85° W

Issued: 7 am 15 Sep 2026 (local time)

Forecast update in hr min

Today's Big Lefts sea temperature is

27.3°C

Big Lefts 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 Big Lefts today (15 Sep):

Morning surf: Morning surf (15 Sep, local time) - 2.5ft (0.7m), 20s period with SW swell.
Afternoon surf: Afternoon surf (15 Sep, local time) - 2.5ft (0.7m), 20s period with SW swell.
Evening surf: Evening surf (15 Sep, local time) - 2.5ft (0.7m), 19s period with SW swell.

The current surf forecast for Big Lefts at 12PM is: 0.7m 20s primary swell from a Southwest direction (forecast issued at 07:00am September 15). An open ocean swell of 0.4m 8s is not directed at the surf break, a second open ocean swell of 0.7m 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)	2.5ft (0.7m)	20s
Afternoon (15 Sep)	2.5ft (0.7m)	20s
Evening (15 Sep)	2.5ft (0.7m)	19s

Table - waves today at Big Lefts. (Swell directed towards the surf break)

	Short Range Forecast Light rain (total 7mm), mostly falling on Thu night. Warm (max 27°C on Tue morning, min 26°C on Tue morning). Mainly fresh winds.
	Tuesday 15							Wednesday 16								Thursday 17
	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)	2	2	1	1	1	1	1	2	1	0	1	1	1	1	1	1	2	2	1	2	2	2	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSW 21	SW 21	SW 20	SW 20	SW 19	SW 19	SSW 19	SSW 19	SSW 19	SSW 18	SW 18	SW 18	SSW 18	SSW 18	SW 18	SW 17	SSW 16	ENE 7	ENE 7	ENE 9	ENE 9	ENE 9	ENE 9
Wave Graph
kJ	302	433	392	388	384	384	480	470	441	404	455	449	541	541	444	429	343	353	462	736	606	617	622
Wind (km/h)	NE	NE	ENE	ENE	ENE	ENE	ENE	ENE	NE	NE	ENE	NE	NE	NE	NE	NE	NE	NE	ENE	ENE	ENE	ENE	ENE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide		7:02AM0.58m				6:07PM0.30m				7:59AM0.57m				6:32PM0.25m					9:10AM0.56m			7:25PM0.21m
Low Tide					2:03PM0.23m			00:07AM0.11m					4:06PM0.24m			00:38AM0.13m						7:14PM0.21m


	6:18	—	—	—	—	—	—	—	6:18	—	—	—	—	—	—	—	6:18	—	—	—	—	—	—
	—	—	—	—	6:34	—	—	—	—	—	—	—	6:32	—	—	—	—	—	—	—	6:31	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	1	1	3
Temp °C	25	26	27	27	27	26	26	26	26	26	27	27	27	26	26	26	26	26	27	27	27	26	26
Feels °C	27	28	29	28	28	27	26	27	27	26	27	26	27	25	26	27	27	27	27	27	26	26	26
Swell 1 Height (m) Direction Period (s)	SSW 21	SW 21	SW 20	SW 20	SW 19	SW 19	SSW 19	SSW 19	SSW 19	SSW 18	SW 18	SW 18	SSW 18	SSW 18	SW 18	SW 17	SSW 16	SSW 16	SW 16	SW 16	ENE 9	SSW 16	SSW 17
kJ	302	433	392	388	384	384	480	470	441	404	455	449	541	541	444	429	343	330	258	258	606	458	622
Swell 2 Height (m) Direction Period (s)	SW 13	SW 13	NNE 8	E 12	E 12	E 11	NNE 8	NNE 7	NNE 7	E 10	E 10	E 10	E 10	SW 11	E 10	SW 11	SW 11	SW 11	SSW 20	SSW 19	SSW 16	WSW 8	WSW 10
kJ	44	42	25	45	68	60	39	37	31	53	73	72	100	31	98	19	19	19	149	212	322	7	9
Swell 3 Height (m) Direction Period (s)	E 13	E 12	E 12	SW 12	SW 12	SW 12	E 11	E 11	E 11	SW 12	SW 12	SW 11	SW 11	S 8	SW 11	S 22	SSE 11	SSE 11	SW 11	SW 10	SSW 19	SSW 10	SSW 10
kJ	30	49	46	39	38	38	59	58	57	37	35	32	31	5	19	9	12	11	18	16	210	10	10
Wind waves Height (m) Direction Period (s)	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	ENE 5	ENE 6	ENE 6	ENE 6	ENE 6	NE 6	NE 6	ENE 6	NE 6	ENE 6	ENE 7	ENE 7	ENE 7	ENE 9	—	ENE 9	ENE 9
kJ	107	88	60	82	71	82	46	53	55	96	112	122	148	243	223	262	269	353	462	736	—	617	603
Nearest Offshore or Glassy	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Paradise 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	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Point Panic HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ko Olina Resort HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Maili Point HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu
Rating (10 max)	2	3	2	2	2	2	3	3	2	2	2	2	2	2	2	2	2	2	2	3	3	2	3
Distance (km)	0	0	0	3	0	0	0	0	0	0	29	29	29	29	29	1	0	0	29	30	36	29	29
Best forecast wave conditions in Oahu	Pipeline	Consessions/Big Rights	Kaena Point	Kaena Point	Kaena Point	Kaena Point	Ranches	Ranches	Ranches	Ranches	Kaena Point	Lahilahi Point	Keaulanas	Makaha (Outside)	Makaha (Outside)	Abalolo Reef	Makaha (Outside)	Yokohama Bay	Yokohama Bay	Makaha (Outside)	Kaena Point	Kaena Point	Kaena Point
Rating (10 max)	2	3	3	2	2	3	3	3	3	3	3	3	3	3	3	3	2	3	3	3	3	3	3
Best forecast wave conditions in United States	Mouse Rock CAL - San Luis Obispo	Consessions/Big Rights HAW - Oahu	Kaena Point HAW - Oahu	Ma'alaea HAW - Maui	Fullers CAL - Monterey	Moonstone Beach CAL - Humboldt	Ranches HAW - Oahu	Ranches HAW - Oahu	Ranches HAW - Oahu	Ranches HAW - Oahu	Kaena Point HAW - Oahu	Gale Point CAL - Humboldt	Cape Sebastian Oregon South	Fullers CAL - Monterey	Moonstone Beach CAL - Humboldt	Tijuana Sloughs Baja Norte	The Wedge CAL - Orange County	Yokohama Bay HAW - Oahu	Yokohama Bay HAW - Oahu	Gale Point CAL - Humboldt	Gale Point CAL - Humboldt	Trestles (Lowers) CAL - Orange County	Infinities HAW - Kaua'i
Rating (10 max)	3	3	3	2	3	3	3	3	3	3	3	3	3	3	3	3	2	3	3	3	3	3	4
Header Global	Saint Leu Reunion	Saint Leu Reunion	Saint Leu Reunion	Etang-Sale Reunion	Etang-Sale Reunion	Etang-Sale Reunion	Saint Leu Reunion	Etang-Sale Reunion	Etang-Sale Reunion	Etang-Sale Reunion	Cronulla Point Australia	Papatowai New Zealand	Papatowai New Zealand	Caravan Park/Lamberts Bay South Africa	Papatowai New Zealand	Papatowai New Zealand	Dunedin - Cob Cottage New Zealand	Weld Road New Zealand	Blaketown Wedge New Zealand	Guns Namibia	Blaketown Wedge New Zealand	Papatowai New Zealand	Papatowai New Zealand
Rating (10 max)	5	6	6	6	6	5	5	5	5	5	5	5	5	4	5	9	5	6	5	5	5	8	8

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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Big Lefts 48 hour detailed Surf Forecast

How big are the waves at Big Lefts today (15 Sep):

Short Range Forecast

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