Karang Nyimbor Surf Forecast

/ Sumatra – Mainland (12 surf breaks) /

Indonesia (168 surf breaks) / Lat Long: (5.30° S 104.00° E)

Surf Forecasts:

Karang Nyimbor surfForecast / Sumatra – Mainland / Indonesia

12 Day Weather and Surf, issued 12 pm Friday 10 Oct 2025 WIB

Forecast update in hr min s Forecast update imminent

Karang Nyimbor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Karang Nyimbor sea temperature is 29.3° C
(Which is 1.2°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Karang Nyimbor this week:

The surf forecast for Karang Nyimbor over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Oct 10) at 7PM. The primary swell is predicted to be 1.3m and 11s period with a secondary swell of 0.6m and 15s. Another secondary swell of 1.3m and 8s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Karang Nyimbor in the next 12 days are 2.5m 18s and forecast to arrive on Tuesday (Oct 14) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave Type	Time (WIB) & Date	Wave Height & Period
Next good surf (1 star+)	7PM (Fri 10th Oct)	4.5ft (1.3m) 11s
Best Surf	7PM (Tue 14th Oct)	7.5ft (2.3m) 18s
Most Powerful	10PM (Tue 14th Oct)	8ft (2.5m) 18s

Table - best surf conditions forecast for Karang Nyimbor over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

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	Short Range Forecast Moderate rain (total 16mm), heaviest on Sun afternoon. Warm (max 28°C on Fri morning, min 25°C on Fri night). Wind will be generally light.									Days 3-6 Weather Summary Heavy rain (total 26mm), heaviest during Mon afternoon. Warm (max 29°C on Mon morning, min 25°C on Mon night). Wind will be generally light.
	Friday 10			Saturday 11			Sunday 12			Monday 13			Tuesday 14			Wednesday 15			Thursday 16
	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night
Rating (10 max)	2	2	3	2	2	3	2	2	3	1	2	4	3	4	5	5	2	4	3	3	4
Swell Height Map See all maps
Wave Height (m) & direction (?)	S	S	S	S	S	S	S	S	SW	S	SSE	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SW	SW	SSW
Period(s) (?)	11	11	10	18	17	16	15	15	12	12	7	23	20	18	17	16	16	15	14	14	18
Wave Graph (?)
kJ (?)	394	389	290	301	371	407	367	343	181	199	175	923	2617	3496	3538	3304	2503	1785	1340	1016	777
Wind (km/h)	SSE	SSE	E	SSE	SSE	ENE	SSE	SSE	E	SSE	SSE	E	SSE	SSE	ENE	SSE	SSE	ENE	S	SSE	E
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross- off	cross- on	cross	cross- off	cross- on	cross	cross- off	cross	cross	cross- off	cross	cross	off	glass	cross- on	off	cross- on	cross	cross- off
High Tide / height (m)			8:46PM 1.35	9:20AM 0.78		9:30PM 1.29	10:05AM 0.69		10:18PM 1.19	10:59AM 0.62		11:13PM 1.08	12:13PM 0.57		12:24AM 0.96		2:03PM 0.58	1:55AM 0.88		3:46PM 0.67	3:26AM 0.85
Low Tide / height (m)		2:10PM 0.08	3:31AM -0.01		2:45PM 0.12		4:21AM 0.06	3:23PM 0.18		5:18AM 0.16	4:05PM 0.26		6:31AM 0.24	4:58PM 0.36		8:06AM 0.29	6:40PM 0.46		9:33AM 0.30		9:15PM 0.47

	Friday 10			Saturday 11			Sunday 12			Monday 13			Tuesday 14			Wednesday 15			Thursday 16
Sunrise	5:45	-	-	5:45	-	-	5:43	-	-	5:43	-	-	5:43	-	-	5:43	-	-	5:43	-	-
Sunset	-	5:55	-	-	5:55	-	-	5:55	-	-	5:55	-	-	5:55	-	-	5:55	-	-	5:55	-

Rain (mm)	1	2	4	1	2	1	-	3	2	2	12	2	1	5	-	-	2	2	-	5	-
Temp. °C	28	28	26	28	27	26	28	28	26	29	28	26	29	28	26	29	29	26	29	29	26
Feels °C (?)	31	31	29	31	30	30	31	31	30	32	31	29	32	31	30	32	32	29	32	32	29

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Sumatra - Mainland

Wind Update The wind is still cross-off at Karang Nyimbor (light winds from the ESE at TanjungKarangRadinInten II 134 km from Karang Nyimbor). 1.4m 11s groundswell from the S with a 0.6m 15s groundswell from the SSW. 2 swells combining to make bigger set waves.
2 hours 51 minutes ago Karang Nyimbor

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Karang Nyimbor surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

Information about the Karang Nyimbor Surf forecast

The above surf forecast table for Karang Nyimbor provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Karang Nyimbor can be found by selecting the local surf guide option on the grey menu. Our Karang Nyimbor surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Karang Nyimbor) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Karang Nyimbor may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Karang Nyimbor is 113 km (70 miles) from the city of Kotabumi. If you plan a holiday in Indonesia - Sumatra - Mainland, look for hotels and other accommodation in Kotabumi. Kotabumi has rooms for a wide range of budgets as well as car hire and transport links.