Dark Reef 48 hour detailed Surf Forecast

Lat Long: 12.16° N 109.20° E

Issued: 6 am 23 Sep 2026 (local time)

Forecast update in hr min

Today's Dark Reef sea temperature is

29.5°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 (23 Sep):

Morning surf: Morning surf (23 Sep, local time) - 2ft (0.6m), 13s period with ENE swell.
Afternoon surf: Afternoon surf (23 Sep, local time) - 2ft (0.6m), 13s period with ENE swell.
Evening surf: Evening surf (23 Sep, local time) - 2ft (0.6m), 12s period with ENE swell.

The current surf forecast for Dark Reef at 10AM is: 0.6m 13s primary swell from a East-northeast direction and 0.5m 5s secondary swell from a North-northeast direction (forecast issued at 06:00am September 23). An open ocean swell of 0.2m 6s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (+07) & Date	Wave Height	Wave Period
Morning (23 Sep)	2ft (0.6m)	13s
Afternoon (23 Sep)	2ft (0.6m)	13s
Evening (23 Sep)	2ft (0.6m)	12s

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

	Short Range Forecast Heavy rain (total 24mm), heaviest during Wed afternoon. Warm (max 27°C on Thu morning, min 24°C on Wed night). Wind will be generally light.
	Wednesday 23							Thursday 24								Friday 25
	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	0	0	1	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ENE 14	ENE 14	ENE 13	ENE 13	ENE 13	ENE 13	ENE 12	NE 12	NE 12	NE 12	NE 12	NE 11	NE 11	NE 11	NE 11	NE 11	NE 11	NE 11	NE 7	NE 10	NE 7	NE 7	NE 7
Wave Graph
kJ	133	131	120	114	113	109	103	72	71	69	68	64	60	59	58	57	57	55	18	16	16	16	17
Wind (km/h)	NNW	NW	NNW	NNE	NE	N	SW	S	SW	WSW	WNW	S	SSW	WSW	WSW	WNW	NNW	WNW	W	N	ENE	N	WNW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	glassy	cross-on	cross-on	glassy	glassy	glassy	glassy	cross-off	glassy	glassy	cross-off	cross-off	cross-off	cross-off	cross-off	glassy	glassy	glassy	on	glassy	glassy
High Tide		5:49AM1.33m									7:05AM1.33m					11:12PM0.98m			8:08AM1.32m
Low Tide					3:03PM0.30m								3:30PM0.34m				1:35AM0.95m				3:53PM0.41m


	5:31	—	—	—	—	—	—	—	5:31	—	—	—	—	—	—	—	5:31	—	—	—	—	—	—
	—	—	—	—	5:38	—	—	—	—	—	—	—	5:37	—	—	—	—	—	—	—	5:37	—	—
mm	—	1	2	3	4	3	3	3	1	1	1	—	1	1	—	—	—	—	—	—	—	1	—
Temp °C	25	25	26	26	26	25	25	24	25	25	25	27	26	25	25	25	25	25	26	26	27	26	25
Feels °C	29	29	31	30	30	30	30	28	30	29	30	32	30	29	29	29	29	29	31	30	31	31	29
Swell 1 Height (m) Direction Period (s)	NNE 6	NNE 6	ENE 13	ENE 13	ENE 13	ENE 13	ENE 12	NE 12	NE 12	NE 12	NE 12	NE 11	NE 11	NE 11	S 5	NE 11	NE 11	NE 11	NE 7	NE 7	NE 7	NE 7	NE 7
kJ	28	20	120	114	113	109	103	72	71	69	68	64	60	59	14	57	57	55	18	16	16	16	17
Swell 2 Height (m) Direction Period (s)	ENE 14	ENE 14	S 6	S 6	S 6	SSE 5	NE 4	NE 5	NE 5	S 6	S 6	S 5	SSE 5	S 5	NE 11	S 6	SSW 6	SSW 6	SSW 6	SSW 6	SSW 6	SSW 6	SSW 6
kJ	133	131	3	2	2	5	9	10	8	10	9	9	9	8	58	15	10	10	6	6	6	7	6
Swell 3 Height (m) Direction Period (s)	S 6	S 6	—	—	SE 4	S 6	SSE 6	S 6	S 6	NE 5	NE 6	NE 6	NE 6	NE 5	NE 5	SE 4	SE 4	SE 4	ENE 10	NE 10	ENE 10	NE 10	NE 10
kJ	3	3	—	—	1	1	12	11	11	9	8	8	8	5	4	1	1	1	10	15	9	4	4
Wind waves Height (m) Direction Period (s)	—	NNE 5	NNE 5	NNE 5	NNE 5	NNE 4	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	23	17	16	21	13	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Lang Co Da Nang	Bang Tao Phuket	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Hon Chong Beach Break Khánh Hoà	Hon Chong Beach Break Khánh Hoà	Hon Chong Beach Break Khánh Hoà	Bang Niang Rivermouth Andaman Sea	Kata Noi Phuket	Kata Noi Phuket	Baler - Charlie's Point West Luzon	Kata Noi Phuket
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	0	0	0	471	1282	0	0	0	0	0	0	0	0	0	0	13	13	13	1260	1289	1289	1393	1289
Best forecast wave conditions in Khánh Hoà	Dark Reef	Dark Reef	Dark Reef			Dark Reef	Dark Reef	Dark Reef	Dark Reef	Dark Reef	Dark Reef	Dark Reef	Dark Reef	Dark Reef	Dark Reef	Hon Chong Beach Break	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	1	1
Best forecast wave conditions in Vietnam	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Binh An Da Nang		Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	China Beach Da Nang	Binh An Da Nang	Cue Dai Beach Da Nang
Rating (10 max)	1	1	1	1		1	1	1	1	1	1	1	1	1	1	1	1	1
Header Global	Papatowai New Zealand	Papatowai New Zealand	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Stent Road New Zealand	Papatowai New Zealand	Shipwreck Bay-Supertubes New Zealand	Anawhata Road (Oaonui) New Zealand	Anawhata Road (Oaonui) New Zealand	Rio Nexpa Mexico	Black Rocks Mauritius	Papatowai New Zealand	Ahijedero Mexico	Pascuales Mexico	Barra de Guaratiba Brazil	Barra de Guaratiba Brazil	Dunmoran Strand Ireland	Barra de Guaratiba Brazil	Barra de Guaratiba Brazil	Inishcrone Ireland	Easky Left Ireland	Grindavik Antenas Iceland	Alnes Lighthouse Norway
Rating (10 max)	9	9	8	8	7	6	6	5	5	6	5	5	4	5	4	4	5	4	4	7	9	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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Dark Reef 48 hour detailed Surf Forecast

How big are the waves at Dark Reef today (23 Sep):

Short Range Forecast

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