Duds Reef 48 hour detailed Surf Forecast

Lat Long: 21.31° N 158.01° W

Issued: 1 am 13 Jul 2026 (local time)

Forecast update in hr min

Today's Duds Reef sea temperature is

26.3° C

Duds Reef 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 Duds Reef today (13 Jul):

Morning surf: Morning surf (13 Jul, local time) - 3ft (0.9m), 15s period with SW swell.
Afternoon surf: Afternoon surf (13 Jul, local time) - 3ft (0.9m), 15s period with SW swell.
Evening surf: Evening surf (13 Jul, local time) - 3ft (0.9m), 14s period with SW swell.

The current surf forecast for Duds Reef at 6AM is: 0.9m 16s primary swell from a South-southwest direction and 0.4m 12s secondary swell from a South-southeast direction, 1.4m 8s secondary swell from a East direction (forecast issued at 01:00am July 13). The wind direction is predicted to be cross-offshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (13 Jul)	3ft (0.9m)	15s
Afternoon (13 Jul)	3ft (0.9m)	15s
Evening (13 Jul)	3ft (0.9m)	14s

Table - waves today at Duds Reef. (Swell directed towards the surf break)

	Short Range Forecast Light rain (total 5mm), mostly falling on Tue morning. Warm (max 26°C on Mon afternoon, min 23°C on Mon night). Mainly fresh winds.
	Monday 13								Tuesday 14								Wednesday 15
	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	1	2	1	3	3	2	1	0	0	0	1	1	1	0	0	0	0	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSW 16	SSW 16	SW 15	SW 15	SW 15	SW 15	SW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 13	SW 13	SW 13	SW 17	SW 13	SSW 13	SSW 14	SSW 14	SSW 14	SSW 15
Wave Graph
kJ	425	419	340	322	314	309	301	264	257	253	243	236	236	232	313	178	170	309	164	202	253	257	268	372
Wind (km/h)	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	NE	NE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	E	ESE	ESE	ENE	ENE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross	cross	cross	cross	cross	cross-off	cross-off	cross-off	cross-off	cross	cross	cross	cross	cross	cross	cross	cross	cross-on	cross-on	cross-on	cross	cross
High Tide		2:28AM0.26m				3:43PM0.88m				3:23AM0.28m				4:25PM0.87m				4:16AM0.31m					5:04PM0.83m
Low Tide				8:02AM-0.03m					11:04PM0.13m			8:53AM-0.02m					11:38PM0.11m			9:42AM0.01m


	—	5:56	—	—	—	—	—	—	—	5:58	—	—	—	—	—	—	—	5:58	—	—	—	—	—	—
	—	—	—	—	—	7:16	—	—	—	—	—	—	—	7:16	—	—	—	—	—	—	—	7:16	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	1	1	—	—	—	—	—	—	—	1	1	—	—
Temp °C	24	24	24	25	26	26	24	24	24	23	24	25	26	26	25	24	24	24	24	26	26	26	25	25
Feels °C	22	22	21	23	23	24	23	23	24	24	25	25	25	25	25	24	25	25	25	26	27	27	26	26
Swell 1 Height (m) Direction Period (s)	SSW 16	SSW 16	SW 15	SW 15	SW 15	SW 15	SW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 13	ENE 8	ENE 8	W 15	W 15	W 15	W 15	W 15	W 15	SSW 15
kJ	425	419	340	322	314	309	301	264	257	253	243	236	236	232	313	83	81	298	294	291	287	283	279	372
Swell 2 Height (m) Direction Period (s)	W 12	SSE 12	SSE 12	SSE 12	W 19	W 18	W 18	W 18	W 18	W 17	W 16	W 16	W 16	W 16	ENE 8	SW 13	W 15	ENE 7	ENE 7	ENE 7	SSW 14	SSW 14	SSW 14	W 15
kJ	47	47	47	46	113	152	152	158	225	207	190	257	257	257	83	178	298	78	61	54	253	257	268	352
Swell 3 Height (m) Direction Period (s)	SSE 12	W 12	W 12	W 12	SSE 12	SSE 11	SSE 11	SW 18	SW 18	SSW 19	SW 19	SW 19	SSW 19	SW 19	W 16	W 15	SW 13	SW 17	SW 13	SSW 13	ENE 7	ENE 7	ENE 7	ENE 7
kJ	47	26	26	26	45	25	25	81	82	142	181	183	148	93	251	233	170	309	164	202	65	51	49	45
Wind waves Height (m) Direction Period (s)	E 8	E 8	E 8	E 8	E 8	E 8	ENE 8	ENE 8	E 8	E 8	E 8	ENE 8	ENE 8	ENE 8	NE 7	NE 8	E 7	—	—	—	—	—	—	ENE 7
kJ	251	251	251	247	213	223	197	192	153	153	149	151	123	123	126	125	40	—	—	—	—	—	—	82
Nearest Offshore or Glassy	Power Plant HAW - Oahu	Power Plant HAW - Oahu	Nanakuli Tracks HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Duds Reef HAW - Oahu	Duds Reef HAW - Oahu	Barber's Point - Coast Guard Jetty HAW - Oahu	Barber's Point - Coast Guard Jetty HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Reef Runway (Hickam Harbor) HAW - Oahu	Reef Runway (Hickam Harbor) HAW - Oahu	Reef Runway (Hickam Harbor) HAW - Oahu	Ko Olina Resort HAW - Oahu	Abalolo Reef HAW - Oahu	Abalolo Reef HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu
Rating (10 max)	2	2	2	2	2	2	2	2	1	3	3	3	3	2	2	2	2	3	2	2	3	3	2	2
Distance (km)	13	13	14	12	12	15	12	12	12	0	0	10	10	12	12	12	6	6	6	12	12	12	12	12
Best forecast wave conditions in Oahu	Ranches	Ranches	Ranches	Ranches	Ranches	Ranches	Ranches	Ranches	Ranches	Barber's Point - Coast Guard Jetty	Tennis Courts	Kaena Point	Off the Wall/Insanities	Kaena Point	Kaena Point	Ranches	Turtles Reef	Abalolo Reef	Waimea Bay/Pinballs	Kaena Point	Abalolo Reef	Abalolo Reef	Waimea Bay/Pinballs	Waimea Bay/Pinballs
Rating (10 max)	3	3	3	2	3	3	3	2	2	3	3	3	3	3	3	2	3	3	2	3	3	3	3	3
Best forecast wave conditions in United States	Ranches HAW - Oahu	Ranches HAW - Oahu	Ranches HAW - Oahu	Ranches HAW - Oahu	Ranches HAW - Oahu	Ranches HAW - Oahu	Ranches HAW - Oahu	Magics HAW - Big Island	The Wedge CAL - Orange County	Barber's Point - Coast Guard Jetty HAW - Oahu	Waiaha Rivermouth / Honls HAW - Big Island	Majors Bay HAW - Kaua'i	Off the Wall/Insanities HAW - Oahu	Pakalas HAW - Kaua'i	Steamer Lane-The Point CAL - Santa Cruz	Mouse Rock CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Waiaha Rivermouth / Honls HAW - Big Island	Pakalas HAW - Kaua'i	Abalolo Reef HAW - Oahu	Abalolo Reef HAW - Oahu	Waimea Bay/Pinballs HAW - Oahu	Boners CAL - San Luis Obispo
Rating (10 max)	3	3	3	2	3	3	3	2	2	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
Header Global	Cobblestones Australia	Bancoora Australia	Cobblestones Australia	Buchupureo Chile	Buchupureo Chile	Buchupureo Chile	Buchupureo Chile	Lebu Chile	Cathedral Rock Australia	Spooky's New Zealand	Nine Mile New Zealand	Cathedral Rock Australia	Cathedral Rock Australia	Asu Indonesia	Bancoora Australia	Barrancon Chile	Asu Indonesia	Jacobs Bay South Africa	Shingles New Zealand	Dolphin Point South Africa	Fish Boma South Africa	Fish Boma South Africa	Boneyards South Africa	Easter Reef Australia
Rating (10 max)	6	5	5	8	7	7	6	6	9	7	6	8	7	4	4	4	4	5	5	5	5	5	5	6

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Latest Updates

Ben Mondy

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Duds Reef 48 hour detailed Surf Forecast

How big are the waves at Duds Reef today (13 Jul):

Short Range Forecast

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