Dark Reef 48 hour detailed Surf Forecast

Lat Long: 12.16° N 109.20° E

Issued: 12 am 31 Oct 2026 (local time)

Forecast update in hr min

Today's Dark Reef sea temperature is

28.9°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 (31 Oct):

Morning surf: Morning surf (31 Oct, local time) - 5ft (1.6m), 8s period with NE swell.
Afternoon surf: Afternoon surf (31 Oct, local time) - 4.5ft (1.4m), 8s period with NE swell.
Evening surf: Evening surf (31 Oct, local time) - 4.5ft (1.3m), 8s period with NE swell.

The current surf forecast for Dark Reef at 3AM is: 1.4m 9s primary swell from a Northeast direction and 0.5m 6s secondary swell from a East direction (forecast issued at 12:00am October 31). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (+07) & Date	Wave Height	Wave Period
Morning (31 Oct)	5ft (1.6m)	8s
Afternoon (31 Oct)	4.5ft (1.4m)	8s
Evening (31 Oct)	4.5ft (1.3m)	8s

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

	Short Range Forecast Moderate rain (total 17mm), heaviest on Sat afternoon. Warm (max 29°C on Sat morning, min 24°C on Sat night). Wind will be generally light.
	Saturday 31								Sunday 1								Monday 2
	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	2	2	2	0	0	1	2	2	1	1	0	0	0	0	1	1	1	1	0	0	0	0	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	NE 9	NE 9	NE 9	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 7	NE 7	NE 7	NE 7	NE 7	NE 7	NE 7	NE 7	NE 7	NE 7	NE 7	NE 7	NE 7	NE 8	NE 8
Wave Graph
kJ	321	255	275	335	291	284	257	227	205	156	134	118	86	94	91	77	79	97	62	75	104	104	35	53
Wind (km/h)	NNW	NNW	NNW	NNE	NE	NNE	N	NNW	NW	NW	NW	NE	NE	NE	N	NNW	NNW	NW	NNW	NE	NE	NNE	NNE	NNW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	cross	cross-on	cross-on	cross	cross-off	cross-off	cross-off	cross-off	cross-on	cross-on	cross-on	cross	cross-off	cross-off	cross-off	cross-off	cross-on	cross-on	cross-on	cross	cross-off
High Tide	11:10PM1.71m								11:55PM1.66m								00:46AM1.57m
Low Tide				8:39AM0.01m								9:48AM0.08m									10:55AM0.16m


	—	5:35	—	—	—	—	—	—	—	5:35	—	—	—	—	—	—	—	5:35	—	—	—	—	—	—
	—	—	—	—	—	5:16	—	—	—	—	—	—	—	5:16	—	—	—	—	—	—	—	5:16	—	—
mm	1	—	—	—	1	3	1	—	—	—	—	1	1	1	—	—	—	—	—	—	2	1	3	2
Temp °C	25	25	25	29	29	28	27	26	25	24	25	28	28	28	27	26	25	24	25	28	28	28	26	25
Feels °C	28	28	28	32	31	30	30	30	28	27	28	32	31	31	31	30	29	27	28	31	30	31	29	28
Swell 1 Height (m) Direction Period (s)	NE 9	NE 9	NE 9	NE 9	SE 5	SE 5	SE 5	—	NE 8	NE 7	NE 7	NE 7	NE 7	—	NE 7	NE 7	NE 7	NE 7	NE 7	—	E 21	E 21	NE 8	NE 8
kJ	321	255	275	262	1	1	1	—	205	156	134	118	86	—	91	77	79	59	62	—	9	8	35	53
Swell 2 Height (m) Direction Period (s)	E 6	ESE 6	ESE 6	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	E 20	NE 9	S 7
kJ	16	10	3	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	8	13	1
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	E 20	E 19
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	7	7
Wind waves Height (m) Direction Period (s)	—	—	—	NE 8	NE 8	NE 8	NE 8	NE 8	—	—	—	—	—	NE 7	—	—	—	NE 7	—	NE 7	NE 7	NE 7	NE 4	NE 4
kJ	—	—	—	335	291	284	257	227	—	—	—	—	—	94	—	—	—	97	—	75	104	104	22	19
Nearest Offshore or Glassy	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Tungku Beach or KM26 Brunei	Nexus Borneo	Bang Niang Rivermouth Andaman Sea	China Beach Da Nang	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Mui Ne Binh Thuan	Cement Factory Sumbawa	Cape Pakarang Right Andaman Sea	Bang Niang Rivermouth Andaman Sea	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Cue Dai Beach Da Nang	Pirates Cove Samar	Pantai Air Manis Sumatra - Mainland	Ocean Bay Golf Club Hainan	Dark Reef Khánh Hoà
Rating (10 max)	2	2	2	1	1	1	1	2	2	1	1	1	1	1	1	1	1	1	1	1	3	1	2	1
Distance (km)	0	0	0	1013	1013	1260	436	0	0	0	0	169	911	1260	1260	0	0	0	0	425	1768	1759	699	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
Rating (10 max)	2	2	2					2	2	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				Non Nuoc Da Nang	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	China Beach Da Nang				Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Dark Reef Khánh Hoà	Binh An Da Nang				Dark Reef Khánh Hoà
Rating (10 max)	2	2	2				1	2	2	1	1	1				1	1	1	1	1				1
Header Global	Dunedin - Bobs Beach New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Ouano Lefts New Caledonia	St Vincent Left New Caledonia	Achadas Da Cruz Portugal	Niyodo Rivermouth Japan	Afife Portugal	Kaiser's (Hachijojima Island) Japan	Kaiser's (Hachijojima Island) Japan	Kaiser's (Hachijojima Island) Japan	Kaiser's (Hachijojima Island) Japan	Ahijedero Mexico	Ahijedero Mexico	Malaking Gasang (Baler) Philippines	Trial Harbour Australia	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Lincoln City Nelscott Reef United States	Lebu Chile	Lincoln City Nelscott Reef United States
Rating (10 max)	8	7	6	5	5	5	5	4	5	4	5	5	5	5	4	4	4	5	4	4	4	5	5	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 (31 Oct):

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