Turtle Bay 48 hour detailed Surf Forecast

Lat Long: 21.71° N 157.99° W

Issued: 7 am 27 Sep 2026 (local time)

Forecast update in hr min

Today's Turtle Bay sea temperature is

27.1°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 (27 Sep):

Morning surf: Morning surf (27 Sep, local time) - 1.5ft (0.5m), 16s period with SW swell.
Afternoon surf: Afternoon surf (27 Sep, local time) - 2ft (0.6m), 13s period with NW swell.
Evening surf: Evening surf (27 Sep, local time) - 2.5ft (0.7m), 17s period with NNW swell.

The current surf forecast for Turtle Bay at 2PM is: 0.6m 13s primary swell from a Northwest direction and 0.5m 15s secondary swell from a Southwest direction (forecast issued at 07:00am September 27). An open ocean swell of 3.5m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (27 Sep)	1.5ft (0.5m)	16s
Afternoon (27 Sep)	2ft (0.6m)	13s
Evening (27 Sep)	2.5ft (0.7m)	17s

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

	Short Range Forecast Some drizzle, heaviest during Tue night. Warm (max 27°C on Tue morning, min 25°C on Sun morning). Winds decreasing (strong winds from the E on Sun morning, light winds from the SE by Tue night).
	Sunday 27							Monday 28								Tuesday 29
	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
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	WNW 15	SW 16	SW 16	NW 13	NNW 18	NNW 17	NNW 16	NNW 16	NNW 16	NNW 15	NNW 14	NNW 14	NNW 13	NW 13	NNW 13	NNW 13	NNW 12	NNW 12	NW 12	SW 16	SW 16	SW 10	WSW 10
Wave Graph
kJ	142	121	118	140	209	261	232	291	280	242	257	246	156	172	147	142	98	94	112	125	125	106	120
Wind (km/h)	E	E	E	E	E	E	E	E	E	E	E	E	E	E	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SE
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	3:04AM0.65m				2:24PM0.55m				3:47AM0.68m				2:38PM0.50m				4:35AM0.69m				2:43PM0.46m
Low Tide			9:02AM0.28m				8:48PM0.08m				9:51AM0.33m				9:12PM0.06m				10:51AM0.38m				9:39PM0.05m


	6:20	—	—	—	—	—	—	—	6:22	—	—	—	—	—	—	—	6:22	—	—	—	—	—	—
	—	—	—	—	6:22	—	—	—	—	—	—	—	6:22	—	—	—	—	—	—	—	6:21	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	25	25	26	26	25	25	25	25	25	25	26	26	26	26	25	26	25	26	27	27	27	26	26
Feels °C	20	20	21	22	21	21	21	22	22	22	24	24	25	24	23	25	24	26	26	25	25	25	26
Swell 1 Height (m) Direction Period (s)	WNW 15	SW 16	NW 13	NW 13	WNW 13	NNW 17	NNW 16	NNW 16	NNW 16	NNW 15	NNW 14	NNW 14	NNW 13	NW 13	NNW 13	NNW 13	NNW 12	E 8	E 8	NNW 12	E 14	SW 10	WSW 10
kJ	142	121	85	140	116	261	232	291	280	242	257	246	156	172	147	142	98	476	383	93	129	106	120
Swell 2 Height (m) Direction Period (s)	SW 16	NW 14	SW 16	SW 15	NNW 18	NW 13	NW 12	NW 12	NW 12	NW 12	SSW 14	SSW 17	SSW 17	SW 17	SSW 13	SSW 13	E 15	NNW 12	NW 12	E 14	NNW 12	E 14	E 14
kJ	121	89	118	110	209	103	90	71	69	69	79	166	200	77	65	64	104	94	112	89	90	183	232
Swell 3 Height (m) Direction Period (s)	N 10	NNW 20	NNW 19	NNW 18	SSW 14	SSW 14	SW 14	SSW 14	SSW 14	SSW 14	NW 12	NW 11	NW 11	SW 13	SW 17	SW 17	SW 17	E 14	E 14	SW 16	SW 16	NNW 11	NW 11
kJ	2	38	73	127	82	80	52	80	79	79	35	33	31	42	77	76	75	102	92	125	125	82	58
Wind waves Height (m) Direction Period (s)	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 8	E 8	E 8	E 8	E 8	E 8	E 8	E 8	E 8	E 8	—	—	E 8	E 8	E 8	E 8
kJ	2456	2640	2476	2299	1903	1517	1301	1123	1021	935	866	866	736	675	617	593	579	—	—	334	331	331	284
Nearest Offshore or Glassy	Kihei Cove HAW - Maui	Ma'alaea HAW - Maui	Ma'alaea HAW - Maui	Ma'alaea HAW - Maui	Ma'alaea HAW - Maui	Harbors HAW - Maui	Harbors HAW - Maui	Lahaina Breakwall/Harbour HAW - Maui	Ranches HAW - Oahu	Ranches HAW - Oahu	Mala wharf HAW - Maui	Aligator Rock HAW - Oahu	Aligator Rock HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Rockpiles/Logcabins HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Graters HAW - Oahu	Graters HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Radz HAW - Oahu	Backdoor HAW - Oahu	Graters HAW - Oahu	Graters HAW - Oahu
Rating (10 max)	2	2	2	1	2	1	1	1	2	1	1	2	1	2	1	1	1	1	1	2	2	1	1
Distance (km)	193	184	184	184	184	165	165	163	34	34	162	13	13	41	11	10	0	0	10	3	8	0	0
Best forecast wave conditions in Oahu									Ranches	Ranches		Chuns and Jocks Reefs	Ranches	Nanakuli Tracks	Ranches	Tennis Courts	Pipeline	Tennis Courts	Waimea Bay/Pinballs	Waimea Bay/Pinballs	Waimea Bay/Pinballs	Pipeline	Pipeline
Rating (10 max)									2	1		2	1	2	1	3	2	3	1	2	2	2	2
Best forecast wave conditions in United States	Mouse Rock CAL - San Luis Obispo	Hilo Breakwall HAW - Big Island	Hilo Breakwall HAW - Big Island	Hilo Breakwall HAW - Big Island	Hilo Breakwall HAW - Big Island	Boners CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Super Tubes CAL - Ventura	Steamer Lane-Middle Peak CAL - Santa Cruz	Rincon - The Cove CAL - Ventura	Hilo Breakwall HAW - Big Island	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Ghost Tree CAL - Monterey	Ghost Tree CAL - Monterey	Tennis Courts HAW - Oahu	Kahului Harbor HAW - Maui	Waimea Bay/Pinballs HAW - Oahu	Super Tubes CAL - Ventura	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo
Rating (10 max)	3	3	3	3	3	3	3	3	3	2	2	3	2	4	4	4	4	3	3	2	2	4	3
Header Global	Bondo Kodi Indonesia	Bondo Kodi Indonesia	Shipstern Bluff Australia	Asu Indonesia	Anael France	Ahijedero Mexico	Ahijedero Mexico	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Airport Rights New Zealand	Humenga Point New Zealand	Dunedin - Bobs Beach New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand
Rating (10 max)	5	5	5	4	4	4	4	5	5	6	6	5	5	5	9	8	8	7	6	6	5	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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Turtle Bay 48 hour detailed Surf Forecast

How big are the waves at Turtle Bay today (27 Sep):

Short Range Forecast

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