Turtle Bay 48 hour detailed Surf Forecast

Lat Long: 21.71° N 157.99° W

Issued: 7 am 30 Sep 2026 (local time)

Forecast update in hr min

Today's Turtle Bay sea temperature is

26.8°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 (30 Sep):

Morning surf: Morning surf (30 Sep, local time) - 3.5ft (1.0m), 10s period with WSW swell.
Afternoon surf: Afternoon surf (30 Sep, local time) - 3ft (0.9m), 10s period with WSW swell.
Evening surf: Evening surf (30 Sep, local time) - 2ft (0.6m), 9s period with W swell.

The current surf forecast for Turtle Bay at 11AM is: 1.0m 10s primary swell from a West direction (forecast issued at 07:00am September 30). An open ocean swell of 1.4m 8s is not directed at the surf break, a second open ocean swell of 0.3m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (30 Sep)	3.5ft (1.0m)	10s
Afternoon (30 Sep)	3ft (0.9m)	10s
Evening (30 Sep)	2ft (0.6m)	9s

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

	Short Range Forecast Moderate rain (total 11mm), heaviest on Wed afternoon. Warm (max 28°C on Wed afternoon, min 25°C on Wed night). Wind will be generally light.
	Wednesday 30							Thursday 1								Friday 2
	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	1	1	2	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)	WSW 11	WSW 10	W 10	W 10	W 10	W 9	W 8	WSW 8	WSW 8	W 8	WSW 9	WSW 8	WSW 8	WSW 8	NNW 10	NNW 10	NNW 10	NNW 10	NNW 9	NNW 9	NNW 9	N 9	N 9
Wave Graph
kJ	210	180	200	212	121	56	34	50	47	43	79	73	70	51	56	86	109	105	113	110	110	81	79
Wind (km/h)	SE	SE	SE	SSE	ESE	SE	SE	SE	SE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	E	E
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	off	off	cross-off	off	cross-off	cross-off	cross-off	off	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		5:32AM0.69m			2:14PM0.43m					6:48AM0.67m									8:28AM0.67m
Low Tide				12:32PM0.43m			10:11PM0.07m								10:49PM0.09m


	6:22	—	—	—	—	—	—	—	6:22	—	—	—	—	—	—	—	6:22	—	—	—	—	—	—
	—	—	—	—	6:20	—	—	—	—	—	—	—	6:19	—	—	—	—	—	—	—	6:17	—	—
mm	—	—	—	4	1	1	—	1	—	1	—	1	1	1	—	—	—	—	—	—	—	—	—
Temp °C	25	26	27	28	27	26	26	25	25	26	26	27	26	25	25	25	25	25	26	26	25	25	25
Feels °C	26	26	27	28	27	27	27	26	27	27	26	27	26	25	25	25	25	25	26	26	26	26	25
Swell 1 Height (m) Direction Period (s)	E 8	E 8	E 8	E 8	E 8	W 9	E 8	E 8	E 14	W 8	WSW 9	WSW 8	WSW 8	WSW 8	WSW 8	NNW 10	E 7	NNW 10	NNW 9	NNW 9	NNW 9	N 9	N 9
kJ	212	201	223	187	187	56	164	160	653	43	79	73	70	51	48	86	52	105	113	110	110	81	79
Swell 2 Height (m) Direction Period (s)	WSW 11	WSW 10	W 10	W 10	W 10	E 11	E 14	WSW 8	WSW 8	E 13	E 13	E 13	E 13	NNW 10	NNW 10	WSW 8	NNW 10	WSW 7	WSW 7	WSW 7	WSW 9	WSW 8	WSW 8
kJ	210	180	200	212	121	56	140	50	47	84	84	84	83	37	56	32	109	29	19	18	59	55	54
Swell 3 Height (m) Direction Period (s)	E 12	E 14	E 14	E 14	E 13	E 14	W 8	E 14	SW 14	SW 14	NW 10	NW 10	NNW 10	E 12	E 12	E 12	WSW 7	E 12	E 8	SSW 12	E 12	E 12	E 11
kJ	196	253	253	191	165	91	34	142	51	52	26	25	35	48	45	45	31	44	31	29	23	24	22
Wind waves Height (m) Direction Period (s)	S 6	S 6	S 6	—	E 7	E 8	SSE 6	E 6	E 6	E 7	E 7	E 6	E 6	E 8	E 6	E 6	E 5	E 6	E 6	E 6	E 6	E 6	E 6
kJ	7	1	6	—	239	186	4	161	135	156	181	127	128	193	101	89	43	99	89	106	106	83	83
Nearest Offshore or Glassy	Graters HAW - Oahu	Graters HAW - Oahu	Graters HAW - Oahu	Graters HAW - Oahu	Radz HAW - Oahu	Pipeline HAW - Oahu	Pipeline HAW - Oahu	Freddyland HAW - Oahu	Velzy Land HAW - Oahu	Log Cabins HAW - Oahu	Graters HAW - Oahu	Backdoor HAW - Oahu	Backdoor HAW - Oahu	Backdoor HAW - Oahu	Graters HAW - Oahu	Graters HAW - Oahu	Graters HAW - Oahu	Graters HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Backdoor HAW - Oahu	Backyards HAW - Oahu	Rocky Point HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu
Rating (10 max)	2	1	2	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	0	0	0	0	3	8	8	5	5	10	0	8	8	8	0	0	0	0	10	8	6	9	10
Best forecast wave conditions in Oahu	Waimea Bay/Pinballs	Pipeline	Backdoor	Rocky Rights/Lefts and Gas Chambers	Pipeline	Pipeline	Pipeline	Ranches	Ripps Reef	Pupukea	Waimea Bay/Pinballs	Waimea Bay/Pinballs	Waimea Bay/Pinballs	Ranches	Ranches	Ranches	Pipeline	Tennis Courts	Waimea Bay/Pinballs	Pipeline	Waimea Bay/Pinballs	Tennis Courts	Ranches
Rating (10 max)	2	2	2	2	2	1	1	1	3	1	1	1	1	1	1	1	2	1	1	2	1	1	1
Best forecast wave conditions in United States	Mouse Rock CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Backdoor HAW - Oahu	Kahului Harbor HAW - Maui	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Sprecklesville HAW - Maui	Mouse Rock CAL - San Luis Obispo	Lincoln City Nelscott Reef Oregon North	Pier One HAW - Maui	Waimea Bay/Pinballs HAW - Oahu	Super Tubes CAL - Ventura	Mouse Rock CAL - San Luis Obispo	Ghost Tree CAL - Monterey	Ghost Tree CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	The Wedge CAL - Orange County	Waimea Bay/Pinballs HAW - Oahu	Pipeline HAW - Oahu	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Boners CAL - San Luis Obispo
Rating (10 max)	3	3	2	3	3	3	4	3	3	2	1	1	3	3	3	3	2	2	1	2	2	2	2
Header Global	Otago Peninsula - Allans Beach New Zealand	Ouano Lefts New Caledonia	Fish Boma South Africa	Bali Village Indonesia	Easky Left Ireland	Easky Left Ireland	Easky Left Ireland	Gas Bay Australia	Cobblestones Australia	Cobblestones Australia	Cabo Lastres Spain	Figueira da Foz - Buarcos Portugal	Bolina Portugal	Figueira da Foz - Buarcos Portugal	Nazare Portugal	Trial Harbour Australia	Trial Harbour Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Papatowai New Zealand	Papatowai New Zealand	Dinner Plates New Zealand
Rating (10 max)	4	5	5	4	9	9	9	7	6	6	5	5	5	5	5	6	5	5	5	5	7	6	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 (30 Sep):

Short Range Forecast

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