Duds Reef 48 hour detailed Surf Forecast

Lat Long: 21.31° N 158.01° W

Issued: 7 am 16 Jul 2026 (local time)

Forecast update in hr min

Today's Duds Reef sea temperature is

26.4° 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 (16 Jul):

Morning surf: Morning surf (16 Jul, local time) - 2ft (0.6m), 13s period with SSW swell.
Afternoon surf: Afternoon surf (16 Jul, local time) - 2.5ft (0.7m), 17s period with SSW swell.
Evening surf: Evening surf (16 Jul, local time) - 2.5ft (0.7m), 13s period with SSW swell.

The current surf forecast for Duds Reef at 1PM is: 0.7m 17s primary swell from a South-southwest direction and 0.7m 6s secondary swell from a East-northeast direction (forecast issued at 07:00am July 16). An open ocean swell of 0.8m 14s is not directed at the surf break. The wind direction is predicted to be cross-shore.

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

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

	Short Range Forecast Mostly dry. Warm (max 27°C on Thu afternoon, min 24°C on Thu night). Mainly fresh winds.
	Thursday 16							Friday 17								Saturday 18
	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)	1	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 14	SSW 13	SSW 16	SSW 17	SSW 13	SSW 13	SSW 15	SSW 14	SSW 13	SSW 16	SSW 16	SSW 16	SSW 16	SSW 16	SSW 14	SSW 14	S 14	SSW 14	SSW 13	SSW 14	SSW 14	E 8	E 8
Wave Graph
kJ	186	113	173	255	149	156	294	264	108	166	223	288	284	253	207	192	144	198	187	213	210	210	266
Wind (km/h)	E	E	E	E	E	ENE	ENE	ENE	ENE	ENE	E	E	ENE	ENE	ENE	ENE	ENE	ENE	E	ENE	ENE	ENE	ENE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross
High Tide		5:11AM0.34m				5:41PM0.77m				6:08AM0.38m				6:14PM0.69m				7:09AM0.42m				6:44PM0.60m
Low Tide			10:31AM0.06m					00:44AM0.11m				11:21AM0.14m				1:14AM0.10m				12:16PM0.22m


	5:58	—	—	—	—	—	—	—	5:58	—	—	—	—	—	—	—	5:58	—	—	—	—	—	—
	—	—	—	—	7:15	—	—	—	—	—	—	—	7:15	—	—	—	—	—	—	—	7:15	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	25	25	26	27	26	25	25	25	24	25	26	27	27	25	25	25	25	25	26	27	26	25	25
Feels °C	27	26	24	26	25	25	25	25	25	25	25	25	26	24	25	25	25	23	23	25	24	23	24
Swell 1 Height (m) Direction Period (s)	W 15	W 14	W 14	W 14	W 14	ENE 6	ENE 6	ENE 6	ENE 6	W 14	SSW 16	SSW 16	SSW 16	SSW 16	SSW 14	SSW 14	S 14	SSW 14	SSW 13	SSW 14	SSW 14	SSW 14	SSW 14
kJ	272	268	268	264	264	50	51	51	64	198	223	288	284	253	207	192	144	198	187	213	210	210	207
Swell 2 Height (m) Direction Period (s)	SW 14	ENE 7	SSW 13	SSW 17	ENE 6	W 14	SSW 15	SSW 14	W 14	SSW 16	W 14	W 14	W 14	W 14	W 14	W 13	W 13	W 13	W 13	W 13	W 13	WNW 13	WNW 13
kJ	186	35	149	255	37	203	294	264	200	166	144	142	140	136	132	90	89	87	87	87	87	56	55
Swell 3 Height (m) Direction Period (s)	ENE 7	SSW 13	SSW 16	SSW 13	SSW 13	SSW 13	W 14	W 14	SSW 13	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SW 15	SW 15	SW 11	SW 15	SE 9	SSE 9	SSE 9	SE 9	SE 9
kJ	35	113	173	147	149	156	203	200	108	94	93	93	79	54	59	58	29	57	20	30	29	20	13
Wind waves Height (m) Direction Period (s)	—	—	ENE 6	ENE 6	—	NE 6	—	ENE 6	NE 7	ENE 6	ENE 6	ENE 6	ENE 6	ENE 6	ENE 6	E 6	E 6	E 6	E 6	E 6	E 7	E 8	E 8
kJ	—	—	33	39	—	42	—	126	89	64	82	64	82	95	95	97	100	98	141	156	155	196	266
Nearest Offshore or Glassy	Reef Runway (Hickam Harbor) HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Maili Point 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	Ko Olina Resort HAW - Oahu	Maili Point HAW - Oahu	Power Plant HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Power Plant HAW - Oahu	Power Plant HAW - Oahu	Maili Point HAW - Oahu	Maili Point HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Ko Olina Resort HAW - Oahu
Rating (10 max)	2	2	2	3	2	2	2	2	2	2	2	2	2	2	2	2	1	2	2	2	2	1	1
Distance (km)	6	12	12	12	21	12	12	12	12	12	12	21	13	12	12	12	12	13	13	21	21	15	12
Best forecast wave conditions in Oahu	Kaena Point	Waimea Bay/Pinballs	Ranches	Turtles Reef	Kaena Point	Ranches	Kaena Point	Ranches	Ranches	Ranches	Ranches	Ranches	Kaena Point	Kaena Point	Makaha (Outside)	Kaena Point	Tracks (Nanakuli)	Kaena Point	Kaena Point	Kaena Point	Kaena Point	Yokohama Bay	Kaena Point
Rating (10 max)	3	2	2	3	2	2	3	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2
Best forecast wave conditions in United States	Waiaha Rivermouth / Honls HAW - Big Island	Magics HAW - Big Island	Ranches HAW - Oahu	Pakalas HAW - Kaua'i	Rincon - Indicator CAL - Ventura	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Magics HAW - Big Island	Ranches HAW - Oahu	Ranches HAW - Oahu	Fullers CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Cortez Bank CAL - San Diego County	Steamer Lane-Middle Peak CAL - Santa Cruz	Gale Point CAL - Humboldt	Steamer Lane-The Point CAL - Santa Cruz	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo
Rating (10 max)	3	3	2	3	2	3	4	4	4	2	2	2	3	3	3	3	3	3	2	3	3	3	3
Header Global	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Kleinemonde South Africa	Otago Peninsula - Allans Beach New Zealand	Dunedin - Kuri Bush New Zealand	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Seconds (White Rock) New Zealand	Papatowai New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Papatowai New Zealand	Seconds (White Rock) New Zealand	Dunedin - Cob Cottage New Zealand	Kaka Point New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand
Rating (10 max)	5	5	6	6	6	5	5	6	7	7	6	9	9	9	8	8	6	6	6	6	6	6	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 (16 Jul):

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