Blue Ocean 48 hour detailed Surf Forecast

Lat Long: 8.69° S 115.15° E

Issued: 7 am 20 Jul 2026 (local time)

Forecast update in hr min

Today's Blue Ocean sea temperature is

27.3° C

Blue Ocean 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 Blue Ocean today (20 Jul):

Morning surf: Morning surf (20 Jul, local time) - 4.5ft (1.3m), 18s period with SSW swell.
Afternoon surf: Afternoon surf (20 Jul, local time) - 7ft (2.1m), 16s period with SSW swell.
Evening surf: Evening surf (20 Jul, local time) - 6.5ft (2.0m), 16s period with SSW swell.

The current surf forecast for Blue Ocean at 4PM is: 2.1m 16s primary swell from a South-southwest direction and 1.3m 7s secondary swell from a Southeast direction (forecast issued at 07:00am July 20). The wind direction is predicted to be cross-offshore.

Time (WITA) & Date	Wave Height	Wave Period
Morning (20 Jul)	4.5ft (1.3m)	18s
Afternoon (20 Jul)	7ft (2.1m)	16s
Evening (20 Jul)	6.5ft (2.0m)	16s

Table - waves today at Blue Ocean. (Swell directed towards the surf break)

	Short Range Forecast Moderate rain (total 10mm), heaviest on Mon morning. Warm (max 25°C on Mon morning, min 24°C on Mon morning). Wind will be generally light.
	Monday 20							Tuesday 21								Wednesday 22
	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)	3	3	3	2	3	3	3	3	3	3	3	2	3	3	3	2	2	2	2	2	1	2	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 14	SSW 18	SW 14	SSW 16	SSW 16	SSW 16	SSW 16	SSW 16	SSW 15	SSW 15	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 13	SSW 13	SSW 13	SSW 13	SSW 13	SSW 14
Wave Graph
kJ	928	954	1031	2318	2178	2151	1856	1832	1571	1409	1244	1042	1028	921	850	731	607	545	528	421	346	357	508
Wind (km/h)	ESE	ESE	ESE	ESE	SE	SE	ESE	ESE	ESE	ESE	ESE	SE	SE	SE	SE	SE	SE	SE	ESE	SE	SE	ESE	ESE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide				1:45PM2.14m					2:18AM2.36m				2:25PM1.89m				2:55AM2.27m				3:08PM1.65m
Low Tide		7:51AM0.60m				7:52PM0.47m					8:37AM0.70m				8:21PM0.66m				9:29AM0.81m				8:51PM0.84m


	6:35	—	—	—	—	—	—	—	6:35	—	—	—	—	—	—	—	6:35	—	—	—	—	—	—
	—	—	—	—	6:15	—	—	—	—	—	—	—	6:15	—	—	—	—	—	—	—	6:15	—	—
mm	1	1	1	1	1	—	—	—	—	—	1	—	—	1	1	—	—	—	1	1	1	—	—
Temp °C	24	24	25	25	25	25	24	24	24	24	25	25	25	24	24	24	24	24	25	25	25	24	24
Feels °C	24	23	25	24	24	24	23	24	24	24	24	23	24	23	23	23	24	23	24	24	23	22	23
Swell 1 Height (m) Direction Period (s)	SW 14	SW 14	SW 14	SSW 16	SSW 16	SSW 16	SSW 16	SSW 16	SSW 15	SSW 15	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 13	SSW 13	SSW 13	SSW 13	SSW 13	SSW 14
kJ	928	928	1031	2318	2178	2151	1856	1832	1571	1409	1244	1042	1028	921	850	731	607	545	528	421	346	357	508
Swell 2 Height (m) Direction Period (s)	SSW 18	SSW 18	SSW 18	—	—	—	—	—	—	—	—	—	SSW 20	SSW 20	SSW 18	SSW 18	SSW 18	SSW 18	SSW 16	SSW 16	SSW 16	SSW 16	SSW 8
kJ	768	954	887	—	—	—	—	—	—	—	—	—	37	37	65	62	62	62	107	149	223	103	11
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	W 18	—	SSW 8	SW 19
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	6	—	11	15
Wind waves Height (m) Direction Period (s)	SE 7	SE 7	SE 7	SE 7	SE 7	SE 7	SE 7	SE 6	SE 6	SE 6	SE 6	SE 6	SE 7	SE 7	SE 7	SE 7	SE 6	SE 6	SE 6	SE 6	SE 6	SE 7	SE 7
kJ	164	153	169	147	143	113	109	91	74	74	96	103	128	128	128	111	116	113	109	113	116	140	144
Nearest Offshore or Glassy	Mushroom Beach - Nusa Lembongan Bali - Nusa Lembongan	Mushroom Beach - Nusa Lembongan Bali - Nusa Lembongan	Mushroom Beach - Nusa Lembongan Bali - Nusa Lembongan	Mushroom Beach - Nusa Lembongan Bali - Nusa Lembongan	Mushroom Beach - Nusa Lembongan Bali - Nusa Lembongan	Mushroom Beach - Nusa Lembongan Bali - Nusa Lembongan	Balian Bali - Kuta	Jimbaran Beach Bali - Kuta	Jimbaran Beach Bali - Kuta	Balian Bali - Kuta	Mushroom Beach - Nusa Lembongan Bali - Nusa Lembongan	Mushroom Beach - Nusa Lembongan Bali - Nusa Lembongan	Mushroom Beach - Nusa Lembongan Bali - Nusa Lembongan	Balian Bali - Kuta	Balian Bali - Kuta	Balian Bali - Kuta	Jimbaran Beach Bali - Kuta	Balian Bali - Kuta	Mushroom Beach - Nusa Lembongan Bali - Nusa Lembongan	Mushroom Beach - Nusa Lembongan Bali - Nusa Lembongan	Mushroom Beach - Nusa Lembongan Bali - Nusa Lembongan	Mushroom Beach - Nusa Lembongan Bali - Nusa Lembongan	Balian Bali - Kuta
Rating (10 max)	3	3	3	3	3	3	4	3	3	3	3	3	2	3	3	3	2	2	2	2	2	2	2
Distance (km)	31	31	31	31	31	31	29	9	9	29	31	31	31	29	29	29	9	29	31	31	31	31	29
Best forecast wave conditions in Kuta - Bali							Balian	Balian	Balian	Balian				Balian	Balian	Balian	Balian	Balian					Balian
Rating (10 max)							4	4	4	3				3	3	3	3	2					2
Best forecast wave conditions in Indonesia	Turtle Island Banyak Islands	Thailand Simeulue Island	Thailand Simeulue Island	Rifles (Kandui Right) Mentawi Islands	Benkunqut Sumatra - Mainland	Turtle Island Banyak Islands	Turtle Island Banyak Islands	Thailand Simeulue Island	Thailand Simeulue Island	Thailand Simeulue Island	Thailand Simeulue Island	Thailand Simeulue Island	Thailand Simeulue Island	Rifles (Kandui Right) Mentawi Islands	Thailand Simeulue Island	Thailand Simeulue Island	Jimmys Sumatra - Mainland	Jimmys Sumatra - Mainland	Krui Sumatra - Mainland	Turtle Island Banyak Islands	Asu Nias	Benkunqut Sumatra - Mainland	Krui Sumatra - Mainland
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3	4	4	4	3	3	3	3
Header Global	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Ning Nong Point and Reef New Zealand	Ning Nong Point and Reef New Zealand	Last Chance New Zealand	Last Chance New Zealand	Seconds (White Rock) New Zealand	Diners Beach New Zealand	Purakaunui Bay New Zealand	Purakaunui Bay New Zealand	Aganoa Beach Samoa	Aganoa Beach Samoa	Jongensfontein South Africa	Bruces Beauties South Africa	Sea Vista South Africa	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cow Bombie Australia	Hanga Poukura Chile
Rating (10 max)	6	5	5	7	6	5	5	5	5	5	5	4	4	5	5	5	5	6	5	6	6	5	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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Blue Ocean 48 hour detailed Surf Forecast

How big are the waves at Blue Ocean today (20 Jul):

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