Turtle Bay 48 hour detailed Surf Forecast

Lat Long: 21.71° N 157.99° W

Issued: 1 am 12 Sep 2026 (local time)

Forecast update in hr min

Today's Turtle Bay sea temperature is

27.0°C

Turtle Bay 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 Turtle Bay today (12 Sep):

Morning surf: Morning surf (12 Sep, local time) - 1.5ft (0.5m), 15s period with SW swell.
Afternoon surf: Afternoon surf (12 Sep, local time) - 3ft (0.9m), 9s period with NE swell.
Evening surf: Evening surf (12 Sep, local time) - 3ft (0.9m), 9s period with NNE swell.

The current surf forecast for Turtle Bay at 6AM is: 0.5m 15s primary swell from a Southwest direction and 0.7m 8s secondary swell from a Northeast direction (forecast issued at 01:00am September 12). An open ocean swell of 0.9m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (12 Sep)	1.5ft (0.5m)	15s
Afternoon (12 Sep)	3ft (0.9m)	9s
Evening (12 Sep)	3ft (0.9m)	9s

Table - waves today at Turtle Bay. (Swell directed towards the surf break)

	Short Range Forecast Mostly dry. Warm (max 26°C on Sat morning, min 24°C on Sun night). Wind will be generally light.
	Saturday 12								Sunday 13								Monday 14
	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	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 15	SW 15	SW 15	NNE 9	NNE 9	NE 9	NE 9	NNE 9	NNE 9	NNE 9	NNE 9	NNE 9	NE 9	NE 9	NE 9	NE 9	NE 9	NE 8	NE 8	NE 8	SW 22	NE 8	SW 22	NE 8
Wave Graph
kJ	109	107	106	102	101	115	118	138	135	135	138	138	112	112	115	112	123	120	102	102	82	80	73	67
Wind (km/h)	ESE	ESE	E	E	E	E	E	E	ESE	ESE	E	E	E	ENE	ENE	E	E	E	E	E	E	E	E	E
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	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide		3:20AM0.59m				3:00PM0.59m				4:01AM0.62m				3:11PM0.54m				4:45AM0.62m				3:14PM0.49m
Low Tide				9:10AM0.25m				9:24PM0.13m				9:53AM0.31m				9:42PM0.12m				10:39AM0.37m				10:01PM0.12m


	—	6:18	—	—	—	—	—	—	—	6:18	—	—	—	—	—	—	—	6:18	—	—	—	—	—	—
	—	—	—	—	—	6:37	—	—	—	—	—	—	—	6:37	—	—	—	—	—	—	—	6:36	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	25	25	25	26	26	26	25	25	25	25	25	25	26	26	25	25	24	24	25	26	26	25	25	25
Feels °C	26	26	25	26	25	26	25	26	26	26	25	25	26	26	25	25	23	24	26	25	25	24	24	25
Swell 1 Height (m) Direction Period (s)	E 10	ENE 10	ENE 10	ENE 10	NNE 9	NE 9	NE 9	NNE 9	NNE 9	NNE 9	NNE 9	NNE 9	NE 9	NE 9	NE 9	NE 9	NE 9	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8
kJ	225	167	160	160	101	115	118	138	135	135	138	138	112	112	115	112	123	120	102	102	82	80	69	67
Swell 2 Height (m) Direction Period (s)	NE 8	NE 8	NE 8	NNE 9	SW 16	SW 13	ENE 10	E 9	SW 13	ENE 9	ENE 9	ENE 9	ENE 9	SSW 15	ENE 9	ENE 8	SW 12	SW 14	SSW 11	SSW 14	SW 22	SW 22	SW 22	SSW 21
kJ	62	65	70	96	63	45	94	79	44	46	27	26	26	21	25	24	24	51	13	19	79	119	73	45
Swell 3 Height (m) Direction Period (s)	SW 15	SW 15	SW 15	SW 14	SW 13	SW 16	SW 13	SW 13	NW 15	SW 13	SW 12	SW 12	NW 13	SSW 12	SSW 15	SSW 12	NW 12	NW 12	SSW 14	ENE 8	SSW 14	SSW 14	WNW 11	WNW 11
kJ	109	107	106	102	45	39	44	44	33	44	25	24	28	14	21	14	23	23	19	7	19	18	12	12
Wind waves Height (m) Direction Period (s)	—	—	—	—	ENE 10	ENE 10	—	E 4	E 9	E 4	E 5	E 5	E 5	E 9	E 4	E 4	E 4	ENE 4	ENE 5	ENE 5	ENE 5	E 5	ENE 5	ENE 5
kJ	—	—	—	—	128	125	—	7	79	20	22	22	21	76	9	7	8	18	28	40	43	32	23	28
Nearest Offshore or Glassy	Radz HAW - Oahu	Radz HAW - Oahu	Backyards HAW - Oahu	Rocky Point HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Sunset Point/Vals Reef HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Rocky Rights/Lefts and Gas Chambers HAW - Oahu	Freddyland HAW - Oahu	Freddyland HAW - Oahu	Rocky Point HAW - Oahu	Boneyards HAW - Oahu	Backdoor HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Log Cabins HAW - Oahu	Boneyards HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	3	3	6	9	10	7	10	9	5	5	9	7	8	10	10	10	10	10	7	10	10	10	10	10
Best forecast wave conditions in Oahu	Pipeline	Tennis Courts	Tennis Courts	Waimea Bay/Pinballs	Waimea Bay/Pinballs	Tennis Courts	Ranches	Ranches	Pipeline	Pipeline	Tennis Courts	Pipeline	Waimea Bay/Pinballs	Tennis Courts	Ranches	Ranches	Ranches	Ranches	Ranches	Waimea Bay/Pinballs	Chuns and Jocks Reefs	Ranches	Ranches	Ranches
Rating (10 max)	2	2	2	1	1	2	2	1	2	2	1	2	1	1	1	1	1	2	1	1	1	2	2	2
Best forecast wave conditions in United States	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Tennis Courts HAW - Oahu	Waimea Bay/Pinballs HAW - Oahu	Super Tubes CAL - Ventura	Tennis Courts HAW - Oahu	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Tennis Courts HAW - Oahu	Pipeline HAW - Oahu	Super Tubes CAL - Ventura	Super Tubes CAL - Ventura	Super Tubes CAL - Ventura	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Magics HAW - Big Island	Waimea Bay/Pinballs HAW - Oahu	Steamer Lane-Middle Peak CAL - Santa Cruz	Ranches HAW - Oahu	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo
Rating (10 max)	3	2	2	1	1	2	4	3	3	3	1	2	1	1	3	3	3	3	1	1	2	2	4	2
Header Global	White Rock - The Spit New Zealand	Asu Indonesia	Asu Indonesia	Asu Indonesia	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Ouano Lefts New Caledonia	Papatowai New Zealand	Fish Boma South Africa	Fish Boma South Africa	Cobblestones Australia	Margaret River Bommie Australia	Restaurants Fiji	Injidup Carpark Australia	Gas Bay Australia	Cintsa West South Africa	Hole-in-the-Wall South Africa	Cow Bombie Australia	Cobblestones Australia	Ahijedero Mexico	Gas Bay Australia
Rating (10 max)	6	5	5	5	9	9	8	7	6	6	6	5	5	6	6	5	5	6	6	8	5	5	4	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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Turtle Bay 48 hour detailed Surf Forecast

How big are the waves at Turtle Bay today (12 Sep):

Short Range Forecast

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