Jimmys Surf Forecast

/ Sumatra – Mainland (12 surf breaks) /

Indonesia (169 surf breaks)

Surf Forecasts:

Jimmys surfForecast / Sumatra – Mainland / Indonesia

48hr Weather and Surf, issued 12 pm Monday 18 May 2026 WIB

Forecast update in hr min s Forecast update imminent

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

Today's Jimmys sea temperature is 29.8° C
(Which is normal for this time of year)

How big are the waves at Jimmys today?

The current surf forecast for Jimmys at 4PM is: 1.8m 14s primary swell from a South direction and 0.6m 20s secondary swell from a Southwest direction (forecast issued at 12:00pm May 18). The wind direction is predicted to be cross-shore.

Time (WIB) & Date	Wave Height	Wave Period
Morning (18 May)	6ft (1.8m)	15s
Afternoon (18 May)	6ft (1.8m)	14s
Evening (18 May)	6ft (1.8m)	14s

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

Updates in hr min s Forecast update imminent

	Short Range Forecast Light rain (total 6mm), mostly falling on Mon night. Warm (max 29°C on Mon morning, min 26°C on Mon night). Wind will be generally light.
	Mon 18					Tuesday 19								Wednesday 20								Thu 21
	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	4 AM	7 AM
Rating (10 max)	3	2	3	3	4	4	4	4	3	2	3	3	4	4	4	4	2	2	4	3	3	3	3	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	S 15	S 14	S 14	S 14	S 14	S 13	S 13	SSW 13	S 13	S 13	S 12	S 12	S 12	S 12	S 12	SW 16	SW 16	SW 16	SW 16	SW 16	SW 15	SW 15	SW 15	SW 15
Wave Graph
kJ	1430	1298	1298	1298	1208	1034	1018	599	582	483	365	359	556	556	556	517	498	567	635	627	572	557	557	696
Wind (km/h)	S	S	SSE	SE	ESE	NE	NE	NE	SSW	SSW	S	ENE	NE	NNE	NNE	NNE	SW	SW	SSW	ENE	ENE	ENE	ENE	NE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-on	cross	cross	glassy	glassy	glassy	glassy	glassy	cross-on	glassy	glassy	glassy	glassy	glassy	glassy	on	on	glassy	glassy	glassy	glassy	glassy	glassy
High Tide	7:24AM1.37m				8:06PM0.72m				8:06AM1.37m				8:54PM0.71m				8:54AM1.32m				9:45PM0.70m
Low Tide			2:17PM-0.05m				1:20AM0.14m				3:05PM-0.04m				2:07AM0.16m				3:54PM0.00m				2:56AM0.20m


	6:03	—	—	—	—	—	6:05	—	—	—	—	—	—	—	6:05	—	—	—	—	—	—	—	6:05	—
	—	—	5:57	—	—	—	—	—	—	—	5:57	—	—	—	—	—	—	—	5:57	—	—	—	—	5:57
mm	—	—	1	1	2	1	—	—	—	—	—	—	—	—	—	—	—	—	1	—	—	—	—	—
Temp °C	29	29	29	28	27	26	26	26	29	29	28	27	27	26	26	27	29	28	28	27	27	26	26	27
Feels °C	33	32	34	33	32	30	31	31	34	33	33	32	32	30	30	31	33	32	33	32	32	31	30	31
Swell 1 Height (m) Direction Period (s)	S 15	S 14	S 14	S 14	S 14	S 13	S 13	SSW 13	S 13	S 13	S 12	S 12	S 12	S 12	S 12	S 12	S 12	SW 16	S 11	S 11	S 11	S 11	SW 15	SW 15
kJ	1430	1298	1298	1298	1208	1034	1018	599	582	483	365	359	556	556	556	472	464	567	357	350	344	279	557	696
Swell 2 Height (m) Direction Period (s)	W 9	W 9	SW 20	W 9	W 9	SW 18	SW 18	S 9	S 9	S 9	S 8	S 8	SW 16	SW 16	SW 16	SW 16	SW 16	S 9	SW 16	SW 16	SW 15	SW 15	S 11	S 10
kJ	40	40	239	41	40	155	307	157	152	152	135	104	432	504	523	517	498	126	635	627	572	557	269	218
Swell 3 Height (m) Direction Period (s)	SW 21	SW 20	W 9	SW 19	SW 19	W 9	WNW 9	SW 18	SW 18	SW 18	SW 17	SW 16	WNW 8	WNW 8	WNW 8	WNW 8	WNW 8	S 12	WNW 8	WNW 8	WNW 8	WNW 8	WNW 8	WNW 8
kJ	71	134	41	133	131	40	26	307	249	249	270	310	14	13	13	13	13	220	13	13	6	6	6	6
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Benkunqut Sumatra - Mainland	Benkunqut Sumatra - Mainland	Benkunqut Sumatra - Mainland	Ujung Walur Sumatra - Mainland	Jimmys Sumatra - Mainland	Jimmys Sumatra - Mainland	Jimmys Sumatra - Mainland	Jimmys Sumatra - Mainland	Jimmys Sumatra - Mainland	Benkunqut Sumatra - Mainland	Jimmys Sumatra - Mainland	Jimmys Sumatra - Mainland	Jimmys Sumatra - Mainland	Jimmys Sumatra - Mainland	Jimmys Sumatra - Mainland	Jimmys Sumatra - Mainland	Karang Nyimbor Sumatra - Mainland	Inside Panaitan Rights Java - West	Jimmys Sumatra - Mainland	Jimmys Sumatra - Mainland	Jimmys Sumatra - Mainland	Jimmys Sumatra - Mainland	Jimmys Sumatra - Mainland	Jimmys Sumatra - Mainland
Rating (10 max)	4	4	4	4	4	4	4	4	3	3	3	3	4	4	4	4	3	3	4	3	3	3	3	3
Distance (km)	91	91	91	26	0	0	0	0	0	91	0	0	0	0	0	0	41	233	0	0	0	0	0	0
Best forecast wave conditions in Indonesia - Sumatra - Mainland	Benkunqut	Benkunqut	Benkunqut	Benkunqut	Benkunqut	Balimbing	Balimbing	Balimbing	Benkunqut	Benkunqut	Benkunqut	Benkunqut	Benkunqut	Balimbing	Balimbing	Benkunqut	Balimbing		Pulau Pisang	Benkunqut	Balimbing	Balimbing	Balimbing	Balimbing
Rating (10 max)	4	4	4	4	4	4	4	4	4	3	3	3	4	4	4	4	3		4	3	3	3	3	3
Best forecast wave conditions in Indonesia	Super Suck Sumbawa	Super Suck Sumbawa	Super Suck Sumbawa	Impossibles Bali - The Bukit	Keusik Luhur Java - Central	Keusik Luhur Java - Central	Rifles (Kandui Right) Mentawi Islands	Keusik Luhur Java - Central	Benkunqut Sumatra - Mainland	Super Suck Sumbawa	Rifles (Kandui Right) Mentawi Islands	Rifles (Kandui Right) Mentawi Islands	Desert Point (Bangko-Bangko) Lombok - West	Keusik Luhur Java - Central	Keusik Luhur Java - Central	Keusik Luhur Java - Central	Super Suck Sumbawa	Super Suck Sumbawa	Pulau Pisang Sumatra - Mainland	Super Suck Sumbawa	Keusik Luhur Java - Central	Super Suck Sumbawa	Super Suck Sumbawa	Keusik Luhur Java - Central
Rating (10 max)	4	4	4	4	4	4	4	4	4	3	4	4	4	4	4	4	3	3	4	3	4	3	3	4
Header Global	Barrancon Chile	Fullers United States	Ghost Tree United States	Avalon-North Australia	Bali Village Indonesia	San Jorge - Faja dos Cubres Portugal	San Jorge - Faja dos Cubres Portugal	Back Bommie Australia	Benkunqut Indonesia	Black Rock Australia	Bankvaults Indonesia	Bankvaults Indonesia	Bali Village Indonesia	Bali Village Indonesia	Bali Village Indonesia	Bali Village Indonesia	Cavalos de Fao Portugal	The Reef Portugal	Achadas Da Cruz Portugal	Canal Brazil	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia
Rating (10 max)	4	6	5	4	4	5	5	4	4	4	4	4	4	4	4	4	5	5	4	5	5	5	5	5

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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Jimmys Surf Forecast

Jimmys surfForecast / Sumatra – Mainland / Indonesia

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