Thunders Surf Forecast

/ Mentawi Islands (22 surf breaks) /

Indonesia (169 surf breaks)

Surf Forecasts:

Thunders surfForecast / Mentawi Islands / Indonesia

48hr Weather and Surf, issued 12 am Wednesday 19 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 29.2° C
(Which is slightly warmer than usual)

How big are the waves at Thunders today?

The current surf forecast for Thunders at 4AM is: 0.9m 13s primary swell from a South-southwest direction and 0.5m 8s secondary swell from a South direction, 0.9m 7s secondary swell from a West-northwest direction (forecast issued at 12:00am November 19). The wind direction is predicted to be cross-offshore.

Time (WIB) & Date	Wave Height	Wave Period
Morning (19 Nov)	3ft (0.9m)	12s
Afternoon (19 Nov)	2.5ft (0.8m)	12s
Evening (19 Nov)	2.5ft (0.7m)	16s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

		Wednesday 19								Thursday 20								Friday 21
	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	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM
Rating (10 max)	2	2	2	1	1	1	1	2	2	2	1	2	2	2	2	2	3	3	3	3	3	3	2	3
Swell Height Map See all maps
Wave Height (m) & direction (?)	SSW	SSW	SSW	SW	SW	SSW	SSW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SSW	SSW	SSW	SW	SW
Period(s) (?)	13	13	13	13	12	12	12	16	16	16	16	16	16	16	15	15	15	15	15	15	15	14	14	14
Wave Graph (?)
kJ (?)	299	295	290	234	223	193	190	254	254	254	254	251	251	245	212	305	415	415	472	275	272	367	390	431
Wind (km/h)	NW	NW	NW	NW	NW	WNW	WNW	WNW	WNW	WNW	NW	N	N	NNW	NNW	NW	NNW	NW	NW	NW	NW	NW	NW	NW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	off	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 / height (m)				5:20AM 0.60				5:32PM 0.95				5:55AM 0.59				6:03PM 0.97				6:28AM 0.57				6:34PM 0.97
Low Tide / height (m)		11:42PM 0.14				10:47AM 0.15				12:13AM 0.10				11:17AM 0.13				12:44AM 0.08				11:47AM 0.12

		Wednesday 19								Thursday 20								Friday 21
Sunrise	-	-	-	5:56	-	-	-	-	-	-	-	5:56	-	-	-	-	-	-	-	5:56	-	-	-	-
Sunset	-	-	-	-	-	-	6:12	-	-	-	-	-	-	-	6:12	-	-	-	-	-	-	-	6:12	-

Rain (mm)	-	-	-	-	-	1	1	-	1	2	3	2	-	-	-	-	-	1	2	1	-	2	2	1
Temp. °C	27	26	26	26	27	28	28	27	26	26	26	25	25	26	27	27	26	26	26	26	27	27	25	25
Feels °C (?)	29	28	28	28	28	29	29	29	27	27	28	26	27	28	30	31	30	29	30	30	30	29	26	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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