4 Bobs Surf Forecast

/ Mentawi Islands (22 surf breaks) /

Indonesia (169 surf breaks)

Surf Forecasts:

4 Bobs surfForecast / Mentawi Islands / Indonesia

48hr Weather and Surf, issued 6 am Wednesday 19 Nov 2025 WIB

Forecast update in hr min s Forecast update imminent

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

Today's 4 Bobs sea temperature is 29.5° C
(Which is slightly warmer than usual)

How big are the waves at 4 Bobs today?

The current surf forecast for 4 Bobs at 11AM is: 0.9m 12s primary swell from a Southwest direction and 0.5m 8s secondary swell from a South direction, 0.7m 7s secondary swell from a West-northwest direction (forecast issued at 06:00am November 19). The wind direction is predicted to be cross-offshore.

Time (WIB) & Date	Wave Height	Wave Period
Morning (19 Nov)	3ft (0.9m)	13s
Afternoon (19 Nov)	2.5ft (0.8m)	12s
Evening (19 Nov)	2.5ft (0.7m)	16s

Table - waves today at 4 Bobs. (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								Sat 22
	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)	1	1	1	1	0	0	1	1	1	1	2	2	1	2	1	2	1	2	2	2	2	2	2	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	SSW	SSW	SSW	SSW	SSW
Period(s) (?)	13	13	12	12	12	16	16	16	16	16	16	16	15	15	15	15	15	14	14	15	14	14	14	13
Wave Graph (?)
kJ (?)	290	286	227	193	190	254	254	254	254	251	251	248	215	305	360	255	410	528	331	272	352	332	318	229
Wind (km/h)	NW	NW	NW	NW	NW	NW	NW	NW	NW	WNW	NW	WNW	W	W	WNW	WNW	WNW	WNW	NW	W	WNW	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	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
High Tide / height (m)		5:41AM 0.80				5:53PM 1.17				6:16AM 0.79				6:25PM 1.19				6:49AM 0.76				6:56PM 1.18
Low Tide / height (m)				11:02AM 0.16				12:15AM 0.13				11:34AM 0.13				12:46AM 0.09				12:06PM 0.11

	Wednesday 19							Thursday 20								Friday 21								Sat 22
Sunrise	-	6:01	-	-	-	-	-	-	-	6:01	-	-	-	-	-	-	-	6:01	-	-	-	-	-	-
Sunset	-	-	-	-	6:14	-	-	-	-	-	-	-	6:14	-	-	-	-	-	-	-	6:14	-	-	-

Rain (mm)	3	3	2	4	4	3	-	2	3	4	3	2	2	2	2	3	4	4	2	2	3	4	5	3
Temp. °C	26	27	27	28	27	26	26	25	26	26	27	27	27	27	26	26	25	25	26	25	26	26	26	25
Feels °C (?)	28	29	29	29	27	26	27	25	28	28	29	30	30	29	28	28	27	28	29	28	30	30	30	28

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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