Dark Reef 48 hour detailed Surf Forecast

Lat Long: 12.16° N 109.20° E

Issued: 12 am 22 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 (22 Sep):

Morning surf: Morning surf (22 Sep, local time) - 1.5ft (0.4m), 16s period with NE swell.
Afternoon surf: Afternoon surf (22 Sep, local time) - 1.5ft (0.4m), 15s period with ENE swell.
Evening surf: Evening surf (22 Sep, local time) - 3.5ft (1.1m), 6s period with NNE swell.

The current surf forecast for Dark Reef at 4AM is: 0.9m 6s primary swell from a North-northeast direction and 0.2m 17s secondary swell from a East-northeast direction, 0.1m 12s secondary swell from a Northeast direction (forecast issued at 12:00am September 22). The wind direction is predicted to be cross-offshore.

Time (+07) & Date	Wave Height	Wave Period
Morning (22 Sep)	1.5ft (0.4m)	16s
Afternoon (22 Sep)	1.5ft (0.4m)	15s
Evening (22 Sep)	3.5ft (1.1m)	6s

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

	Short Range Forecast Heavy rain (total 51mm), heaviest during Tue afternoon. Warm (max 28°C on Tue morning, min 25°C on Mon night). Wind will be generally light.
	Tuesday 22								Wednesday 23								Thursday 24
	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)	2	1	1	1	0	0	1	1	2	1	1	1	1	1	1	0	1	1	1	1	0	0	0	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	N 6	NNE 6	N 5	NE 16	NE 16	ENE 15	NNE 6	NNE 6	NE 14	ENE 14	ENE 14	ENE 13	ENE 13	ENE 13	ENE 13	NE 12	NE 12	NE 12	NE 12	NE 12	S 6	S 6	S 6	NE 11
Wave Graph
kJ	106	53	65	63	75	88	90	84	99	133	131	120	114	113	109	75	72	71	69	68	68	52	43	58
Wind (km/h)	NW	NW	NW	NNE	NNE	NNE	NNW	WNW	WNW	NW	W	SW	SSW	ESE	SSE	S	SSW	NW	WNW	SSE	SSE	S	S	WSW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	glassy	cross-on	cross	cross-off	cross-off	off	cross-off	glassy	glassy	glassy	glassy	glassy	cross	glassy	glassy	glassy	glassy	cross	cross	cross	cross-off
High Tide			4:14AM1.32m								5:49AM1.33m									7:05AM1.33m
Low Tide						2:30PM0.30m								3:03PM0.30m								3:30PM0.34m


	—	5:31	—	—	—	—	—	—	—	5:31	—	—	—	—	—	—	—	5:31	—	—	—	—	—	—
	—	—	—	—	—	5:38	—	—	—	—	—	—	—	5:38	—	—	—	—	—	—	—	5:37	—	—
mm	—	1	4	2	4	6	5	4	1	2	2	3	3	2	1	1	2	3	1	—	1	1	1	1
Temp °C	25	25	25	27	28	26	26	25	25	25	25	26	25	26	25	25	25	25	25	26	27	26	26	26
Feels °C	28	28	29	32	31	28	30	29	29	29	30	31	30	31	29	29	30	30	30	31	31	29	29	30
Swell 1 Height (m) Direction Period (s)	NNE 6	ENE 17	NNE 6	NE 16	NE 16	ENE 15	ENE 15	ENE 15	NNE 6	ENE 14	ENE 14	ENE 13	NNE 5	ENE 13	ENE 13	S 7	S 7	S 7	NE 12	NE 12	NE 11	NE 11	NE 11	SE 5
kJ	66	29	41	63	64	88	87	84	62	133	131	120	17	113	109	56	73	73	69	68	64	31	43	10
Swell 2 Height (m) Direction Period (s)	ENE 17	NE 12	ENE 15	NE 12	S 6	S 6	SW 5	S 6	NE 14	SSW 6	S 6	S 6	ENE 13	NNE 5	NE 5	NE 12	NE 12	NE 12	NE 5	NE 6	NE 6	NE 6	NE 6	NE 11
kJ	27	5	46	5	1	1	1	1	99	3	2	2	114	17	13	75	72	71	7	9	8	5	5	58
Swell 3 Height (m) Direction Period (s)	NE 12	S 6	NE 12	S 6	—	—	—	—	S 6	—	—	SE 4	S 4	SSE 4	S 6	NE 6	NE 6	NE 5	—	—	—	—	—	—
kJ	6	1	5	1	—	—	—	—	1	—	—	1	3	4	18	15	11	7	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	N 6	NNE 6	N 5	NNE 6	NNE 5	NNE 5	NNE 6	NNE 6	N 6	NNE 6	NNE 5	NNE 5	—	—	—	—	—	S 7	S 7	S 6	S 6	S 6	S 6	SSW 6
kJ	106	53	65	47	75	73	90	80	74	45	32	24	—	—	—	—	—	113	71	75	68	52	40	18
Nearest Offshore or Glassy	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Nam O Point Da Nang	Lang Co 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	Bai Dai Nha Trang Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Virac Harbour Catanduanes	Treasure Island Banyak Islands	Mui Ne Binh Thuan	Dark Reef Khánh Hoà
Rating (10 max)	2	1	1	1	1	1	1	1	2	1	1	1	1	1	1	1	1	1	1	1	1	2	1	1
Distance (km)	0	0	0	0	455	471	0	0	0	0	0	0	0	0	0	5	0	0	0	0	1635	1717	169	0
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	Bai Dai Nha Trang	Dark Reef	Dark Reef	Dark Reef	Dark Reef				Dark Reef
Rating (10 max)	2	1	1	1			1	1	2	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	Binh An Da Nang	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	Nam O Point Da Nang	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà			Mui Ne Binh Thuan	Dark Reef Khánh Hoà
Rating (10 max)	2	1	1	1	1	1	1	1	2	1	1	1	1	1	1	1	1	1	1	1			1	1
Header Global	Ouano Lefts New Caledonia	Easter Reef Australia	Cobblestones Australia	Benkunqut Indonesia	Cloudbreak Fiji	Trial Harbour Australia	Trial Harbour Australia	Dunedin - Bobs Beach New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Afife Portugal	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Stent Road New Zealand	Anawhata Road (Oaonui) New Zealand	Anawhata Road (Oaonui) New Zealand	Chameau Mauritius	Black Rocks Mauritius	Rio Nexpa Mexico	Papatowai New Zealand	Ahijedero Mexico	Ahijedero Mexico
Rating (10 max)	6	9	5	4	5	9	9	8	9	9	9	4	7	7	6	6	5	5	5	5	9	5	4	4

Map Icons:
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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 (22 Sep):

Short Range Forecast

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