Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

Jimmys surfForecast / Sumatra – Mainland / Indonesia

information circle48hr Weather and Surf, issued 6 pm Tuesday 20 Jan 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
28.7° C
 (Which is normal for this time of year)

How big are the waves at Jimmys today?

The current surf forecast for Jimmys at 2AM is: 0.9m 22s primary swell from a South-southwest direction and 1.8m 9s secondary swell from a West direction, 1.3m 14s secondary swell from a South-southwest direction (forecast issued at 06:00pm January 20). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (WIB) & DateWave HeightWave Period
Morning (21 Jan)5ft (1.6m)19s
Afternoon (21 Jan)5ft (1.6m)18s
Evening (21 Jan)7ft (2.1m)17s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM
Rating
(10 max)
1
2
2
4
4
4
3
3
3
4
5
3
4
4
0
2
2
2
2
3
2
2
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
SSW
1.3
SSW
1.3
SSW
0.9
SSW
1
S
1.2
SSW
1.6
SSW
1.6
SSW
1.8
SSW
1.9
SSW
2.2
SSW
2.1
SSW
2.1
SSW
2.1
SSW
2
SSW
1.9
SSW
1.8
SSW
1.7
SSW
1.7
SSW
1.6
SSW
1.5
SSW
2.5
W
1.4
SSW
1.5
SSW
Period(s) (?)14141422212019191818171616161615141414141381314
Wave
Graph
(?)Metric surfscale
Energy kJ (?)603595682770934117617781706195121202876233922542198195615461321118711711032817816711879
Wind
(km/h)
20
WNW
20
NW
20
NW
15
NNW
10
NNW
10
NNW
10
WNW
10
NW
10
WNW
10
NNW
10
NNW
10
NW
10
NNW
10
NNW
20
WNW
15
WNW
20
WNW
15
NW
15
NW
20
NNW
20
NW
25
NW
15
NW
20
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		crosscrosscross-
off		cross-
off		cross-
off		crosscrosscrosscross-
off		cross-
off		crosscross-
off		cross-
off		cross-
on		crosscrosscrosscrosscross-
off		crosscrosscrosscross
High Tide
/ height (m)
8:01PM
1.17
8:49AM
0.81
8:33PM
1.16
9:20AM
0.88
9:05PM
1.12
9:52AM
0.94
Low Tide
/ height (m)
1:28PM
0.28
2:46AM
0.07
2:09PM
0.27
3:11AM
0.07
2:50PM
0.27
3:36AM
0.08
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise-----6:05-------6:05-------6:05--
Sunset6:25-------6:27-------6:27-------
thunderstorm
thunderstorm
light rain
light rain
part cloud
cloud
part cloud
light rain
light rain
light rain
part cloud
part cloud
part cloud
cloud
cloud
rain showers
thunderstorm
light rain
mod rain
heavy rain
light rain
light rain
cloud
thunderstorm
Rain (mm)
3211---111-----11294621-1
Temp. °C262625242525272625252625252527272725242424252727
Feels °C (?)272826262727292828272826272727282826262524252828
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

The World’s Most Inconsistent Waves
Ben Mondy

The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

Read more

Read more

Discover more articles and updates in the Greenroom.

Eyeball surf reportRecent Eyeball Surf Reports for Sumatra - Mainland

  1. eyeball reporterMember Report Hi how are you ? Just to late you know that your app is really and 90% right for the energy but I would like those share you that the wind forcast is often wrong for the wind I will say a bit less than 40%.This message is super friendly. I hope this review will help your team. By the way I only speak for krui area (from way Jambu to Jimmy’s left )

    25 hours 54 minutes ago Karang Nyimbor, 41 km away

  2. eyeball reporterMember Report Hi how are you ? Just to late you know that your app is really and 90% right for the energy but I would like those share you that the wind forcast is often wrong for the wind I will say a bit less than 40%.This message is super friendly. I hope this review will help your team.

    25 hours 54 minutes ago Karang Nyimbor, 41 km away
Expand
<
>
View all

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Jimmys 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.

View detailed surf forecast for Jimmys at:
surf-forecast.com

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest