Dark Reef 48 hour detailed Surf Forecast

Lat Long: 12.16° N 109.20° E

Issued: 12 am 18 Sep 2026 (local time)

Forecast update in hr min

Today's Dark Reef sea temperature is

29.6°C

Dark 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 Dark Reef today (18 Sep):

Morning surf: Morning surf (18 Sep, local time) - 2.5ft (0.8m), 8s period with NE swell.
Afternoon surf: Afternoon surf (18 Sep, local time) - 3ft (0.9m), 8s period with NE swell.
Evening surf: Evening surf (18 Sep, local time) - 2.5ft (0.8m), 8s period with NE swell.

The current surf forecast for Dark Reef at 6AM is: 0.8m 8s primary swell from a Northeast direction (forecast issued at 12:00am September 18). The wind direction is predicted to be cross-offshore.

Time (+07) & Date	Wave Height	Wave Period
Morning (18 Sep)	2.5ft (0.8m)	8s
Afternoon (18 Sep)	3ft (0.9m)	8s
Evening (18 Sep)	2.5ft (0.8m)	8s

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

	Short Range Forecast Heavy rain (total 21mm), heaviest during Fri afternoon. Warm (max 30°C on Sun morning, min 25°C on Thu night). Wind will be generally light.
	Friday 18								Saturday 19								Sunday 20
	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM
Rating (10 max)	1	1	1	1	0	0	0	0	1	1	1	0	0	0	0	1	1	1	1	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 7	NE 7	NE 7	NE 7
Wave Graph
kJ	90	77	75	75	93	135	66	112	109	78	78	78	95	64	64	63	75	58	46	45	56	65	26	25
Wind (km/h)	WNW	WNW	NW	E	ENE	NE	NE	N	NW	NW	NW	NE	ENE	NE	NNE	N	NW	NW	NW	ENE	NE	NE	NNE	NNW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	glassy	cross-on	cross-on	cross-on	cross	cross-off	cross-off	cross-off	cross-on	cross-on	cross-on	cross-on	cross-off	cross-off	cross-off	cross-off	cross-on	cross-on	cross-on	cross	cross-off
High Tide	00:27AM1.40m								00:58AM1.39m									1:39AM1.37m
Low Tide				9:55AM0.38m									11:25AM0.37m								12:48PM0.35m


	—	5:31	—	—	—	—	—	—	—	5:31	—	—	—	—	—	—	—	5:31	—	—	—	—	—	—
	—	—	—	—	—	5:42	—	—	—	—	—	—	—	5:40	—	—	—	—	—	—	—	5:40	—	—
mm	—	—	—	—	—	1	5	4	1	1	—	—	—	—	1	2	—	—	—	—	—	1	3	3
Temp °C	25	25	26	29	29	29	27	27	26	25	26	29	29	29	27	27	26	25	26	29	30	29	27	26
Feels °C	29	29	30	33	32	32	30	32	30	29	30	33	31	32	31	32	30	28	30	33	32	31	30	29
Swell 1 Height (m) Direction Period (s)	NE 8	NE 8	NE 8	NE 8	S 5	S 5	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	S 6	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	S 5	S 5	NE 7	NE 7
kJ	90	77	75	75	1	2	66	112	109	78	78	78	7	64	64	63	75	58	46	45	5	2	26	25
Swell 2 Height (m) Direction Period (s)	—	—	—	S 5	NE 16	NE 15	S 5	SSW 5	SSW 5	SSW 5	S 6	S 6	ENE 14	S 6	S 6	S 6	S 6	S 6	S 5	S 5	ENE 13	ENE 13	SSW 5	SSW 6
kJ	—	—	—	1	9	9	2	3	3	3	2	6	20	7	6	6	6	6	5	5	17	17	3	3
Swell 3 Height (m) Direction Period (s)	E 16	E 15	NE 15	NE 15	NE 16	—	NE 15	NE 14	NE 14	NE 14	ENE 14	ENE 14	ENE 14	ENE 14	NE 14	ENE 13	ENE 13	ENE 13	ENE 13	ENE 13	ENE 13	ENE 13	ENE 13	ENE 13
kJ	5	4	9	9	9	—	8	8	8	8	20	20	20	20	8	18	17	17	17	17	17	17	17	16
Wind waves Height (m) Direction Period (s)	—	—	—	—	NE 8	NE 8	NE 4	—	—	—	—	—	NE 8	NNE 4	NNE 3	NE 3	NE 3	—	NNW 2	N 3	NE 7	NE 7	NNE 4	NNE 4
kJ	—	—	—	—	93	135	13	—	—	—	—	—	95	8	4	3	3	—	1	5	56	65	11	16
Nearest Offshore or Glassy	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Nexus West End Borneo	Nexus West End Borneo	Nam O Point Da Nang	Hon Chong Beach Break Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	China Beach Da Nang	Cobra Reef - Cemento West Luzon	Bang Tao Phuket	Nam O Point Da Nang	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Hon Chong Beach Break Khánh Hoà	Cape Pakarang Left Andaman Sea	Thai Mueang Beach Andaman Sea	Lang Co Da Nang	Hon Chong Beach Break Khánh Hoà
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	2	1	2	1	1	1	1	1	1	3	2	1	1
Distance (km)	0	0	0	0	1012	1012	455	13	0	0	0	436	1395	1282	455	0	0	0	0	13	1260	1270	471	13
Best forecast wave conditions in Khánh Hoà	Dark Reef	Dark Reef	Dark Reef	Dark Reef				Hon Chong Beach Break	Dark Reef	Dark Reef	Dark Reef					Dark Reef	Dark Reef	Dark Reef	Dark Reef	Hon Chong Beach Break				Hon Chong Beach Break
Rating (10 max)	1	1	1	1				1	1	1	1					1	1	1	1	1				1
Best forecast wave conditions in Vietnam	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà			Lang Co Da Nang	Binh An Da Nang	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Nam O Point Da Nang			Nam O Point Da Nang	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Binh An Da Nang			Binh An Da Nang	Binh An Da Nang
Rating (10 max)	1	1	1	1			1	1	1	1	1	2			1	1	1	1	1	1			1	1
Header Global	Charleston New Zealand	Fox River New Zealand	Asu Indonesia	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Sandfly Bay New Zealand	Weld Road New Zealand	Weld Road New Zealand	El Huerto Spain	Cathedral Rock Australia	Cathedral Rock Australia	Afife Portugal	Afife Portugal	Afife Portugal	Trial Harbour Australia	Trial Harbour Australia	Bali Village Indonesia	Asu Indonesia	Airport Rights New Zealand	Noises Australia	Nine Mile New Zealand	Nine Mile New Zealand	Mangahume New Zealand	Cobblestones Australia
Rating (10 max)	5	5	4	9	5	5	6	6	5	6	6	4	4	4	9	8	5	4	4	5	9	9	9	8

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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Dark Reef 48 hour detailed Surf Forecast

How big are the waves at Dark Reef today (18 Sep):

Short Range Forecast

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