Thunders Surf Forecast

/ Mentawi Islands (22 surf breaks) /

Indonesia (169 surf breaks)

Surf Forecasts:

Thunders surfForecast / Mentawi Islands / Indonesia

48hr Weather and Surf, issued 6 am Sunday 09 Nov 2025 WIB

Forecast update in hr min s Forecast update imminent

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

Today's Thunders sea temperature is 29.7° C
(Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Thunders today?

The current surf forecast for Thunders at 11AM is: 1.2m 15s primary swell from a Southwest direction and 0.9m 8s secondary swell from a West-northwest direction (forecast issued at 06:00am November 09). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (WIB) & Date	Wave Height	Wave Period
Morning (09 Nov)	4ft (1.2m)	15s
Afternoon (09 Nov)	4ft (1.2m)	15s
Evening (09 Nov)	3.5ft (1.1m)	14s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Sunday 09							Monday 10								Tuesday 11								Wed 12
	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	1 AM
Rating (10 max)	3	2	3	1	2	2	2	2	2	2	1	1	1	2	3	1	1	1	1	1	2	0	1	2
Swell Height Map See all maps
Wave Height (m) & direction (?)	SSW	SSW	SW	SSW	SSW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW
Period(s) (?)	16	15	15	15	15	14	14	14	14	14	14	14	13	13	13	13	14	14	14	14	14	14	14	14
Wave Graph (?)
kJ (?)	832	770	640	568	568	536	476	476	401	390	276	264	261	261	299	299	304	268	284	293	336	331	317	304
Wind (km/h)	W	W	WNW	W	WNW	WNW	NW	NW	WNW	WNW	WNW	NW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	W	W	WNW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross- off	cross	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	cross	cross- off
High Tide / height (m)			8:18AM 0.57				8:36PM 1.06				9:11AM 0.53				9:28PM 0.96					10:15AM 0.51				10:27PM 0.86
Low Tide / height (m)	2:37AM 0.00				1:39PM 0.06				3:30AM 0.07				2:25PM 0.13					4:28AM 0.14			3:18PM 0.22

	Sunday 09							Monday 10								Tuesday 11								Wed 12
Sunrise	-	5:54	-	-	-	-	-	-	-	5:54	-	-	-	-	-	-	-	5:54	-	-	-	-	-	-
Sunset	-	-	-	-	6:09	-	-	-	-	-	-	-	6:09	-	-	-	-	-	-	-	6:09	-	-	-

Rain (mm)	5	5	4	3	6	4	5	6	11	8	7	6	4	4	2	2	4	3	4	2	2	4	5	18
Temp. °C	25	25	25	25	25	26	25	25	25	25	25	26	26	26	26	25	25	25	25	25	26	25	25	24
Feels °C (?)	27	28	28	26	27	27	26	27	26	26	26	27	28	29	29	26	26	26	26	26	27	27	28	27

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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