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I and Js ratings
Quality on a good day: 2.0
Consistency of Surf: 3.0
Difficulty Level: 3.0
Crowds: 4.0

Overall: 3.0

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Based on 1 vote. Vote


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I and Js Surf Forecast / Cape Town / South Africa

12 Day Weather and Surf, issued 1 pm Monday 25 Oct 2021 SAST
Forecast update in  hr  min  s Update imminent
I and Js surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's I and Js sea temperature is 15.7 °C (Statistics for 25 Oct 1981-2005 - mean: 16.6 max: 17.7 min: 15.7 °C)
Icon breakBreak
Icon legend buoysLive Wave Height (m)
Icon legend windLive Wind Speed (km/h)
Map placeholder
I and Js surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's I and Js sea temperature is 15.7 °C (Statistics for 25 Oct 1981-2005 - mean: 16.6 max: 17.7 min: 15.7 °C)

Eyeball surf reportRecent Eyeball Surf Reports for Cape Town

  1. weather stationWind Update Light wind has turned cross-on at Muizenberg (light winds from the S at Ottery wx 10 km from Muizenberg).

    Muizenberg
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2 h 51 min ago

Moderate
30 km/h
SE
Cross-Shore
Please reload the page to see if there are any updates.


Best Forecast Surf Conditions for I and Js this week:

The surf forecast for I and Js over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Oct 25) at 11PM. The primary swell is predicted to be 1.9m and 12s period with a secondary swell of 0.1m and 20s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at I and Js in the next 12 days are 2.5m 14s and forecast to arrive on Monday (Nov 01) at 8AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Tuesday (Oct 26) at 11PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Mon 25th Oct)6ft (1.9m) 12s
Best Surf 8PM (Fri 29th Oct)10ft (3.0m) 10s
Most Powerful 8AM (Mon 1st Nov)8ft (2.5m) 14s

Table - best surf conditions forecast for I and Js over the next 12 days.

Updates in  hr  min  s Update imminent
Rating
(10 max)
Swell
Height Map
Wave Height (m) & direction (?)
Period(s) (?)
Wave
Graph
(?)Metric surfscale
Energy (?)
Wind
(km/h)
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
High Tide
/ height (m)
Low Tide
/ height (m)
Summary
Rain (mm)
High °C
Low °C
Chill °C (?)
Sunrise
Sunset
Mon
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Sat
06
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
013002210002344220000013311234343301
T southafrica.htsgw.metric.12.cc23
T southafrica.htsgw.metric.30.cc23
T southafrica.htsgw.metric.54.cc23
T southafrica.htsgw.metric.78.cc23
T southafrica.htsgw.metric.102.cc23
T southafrica.htsgw.metric.126.cc23
T southafrica.htsgw.metric.150.cc23
T southafrica.htsgw.metric.174.cc23
T southafrica.htsgw.metric.198.cc23
T southafrica.htsgw.metric.222.cc23
T southafrica.htsgw.metric.246.cc23
T southafrica.htsgw.metric.270.cc23
T southafrica.htsgw.metric.294.cc23
2
SW
1.8
SW
1.6
SW
1.4
SW
1.1
SW
0.8
SW
0.8
SW
0.6
SW
0.8
SW
0.8
SW
0.7
SW
1.7
SW
3
SSW
1.3
SW
1.4
SW
1.4
SW
1.3
WSW
1.1
SW
1.6
SW
1.4
SW
2.4
SW
2.1
SW
1.7
SW
1.2
SW
1
SW
0.9
SW
0.9
SW
1.4
SW
1.7
SW
1.9
SW
2.1
SW
2
SW
1.8
SW
1.7
SW
1.6
SW
1.6
WSW
12121111111111111110108111614141316161413131212121111131314151614141312
114887262644727314014097140129108400187380385777758157412247632042143586038927819119868392514841925190413071121828710
45
SE
40
ESE
20
ESE
40
SE
35
ESE
20
ESE
20
ESE
15
NNE
25
NNW
30
NNW
35
N
15
WNW
15
SW
5
SSW
10
SW
20
SSW
15
SSE
20
SSE
25
S
45
SSE
55
SE
55
SE
35
ESE
5
E
5
SE
20
NNE
15
NW
15
W
10
WNW
20
NNW
20
WNW
10
WSW
20
NW
15
SW
20
SSE
25
SSE
crosscross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crossononononcross-
on
cross-
on
cross-
on
crosscrosscrosscross-
off
cross-
off
glasscross-
off
crosscross-
on
cross-
on
cross-
off
cross-
on
cross-
on
crossoncross-
on
cross
5:24PM
1.25
5:51AM
1.17
5:57PM
1.15
6:36AM
1.07
6:45PM
1.05
7:51AM
1.00
8:15PM
0.97
9:50AM
1.01
10:21PM
0.99
11:15AM
1.11
11:38PM
1.09
12:05PM
1.25
12:28AM
1.22
12:46PM
1.41
1:11AM
1.36
1:24PM
1.55
1:51AM
1.47
2:01PM
1.66
2:30AM
1.56
2:40PM
1.73
3:10AM
1.60
3:20PM
1.74
3:50AM
1.60
11:40PM
0.37
11:52AM
0.50
12:18AM
0.47
12:38PM
0.60
1:16AM
0.56
2:04PM
0.68
2:59AM
0.61
4:16PM
0.65
4:42AM
0.55
5:35PM
0.53
5:45AM
0.45
6:24PM
0.37
6:31AM
0.32
7:04PM
0.21
7:11AM
0.21
7:43PM
0.06
7:50AM
0.11
8:21PM
-0.05
8:30AM
0.04
9:00PM
-0.12
9:10AM
0.01
9:40PM
-0.12
9:52AM
0.03

Note: the tide data above is for Boneyards which is 3 km away. Surf properties and timing are calculated for I and Js.New forecast is published every 6 hours at www.surf-forecast.com. See detailed tide info and graph
Offshore winds at I and Js blow from the NE

Mon
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Sat
06
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
clearpart cloudpart cloudpart cloudpart cloudpart cloudcloudclearpart cloudclearrain showersrain showersrain showersclearclearclearclearpart cloudclearpart cloudpart cloudclearclearclearclearpart cloudpart cloudclearpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudclearclear
clearsome cloudssome cloudssome cloudssome cloudssome cloudscloudyclearsome cloudsclearrain shwrsrain shwrsrain shwrsclearclearclearclearsome cloudsclearsome cloudssome cloudsclearclearclearclearsome cloudssome cloudsclearsome cloudssome cloudssome cloudssome cloudssome cloudssome cloudsclearclear
----------211-----------------------
181719211921221917181718181817181717181714161518191818181817171717181716
171516211818191616171617181717181616171514161415181617181616171716171616
171519211821221916171618171817181616171611141218191818171816161616181715
--5:52--5:50--5:50--5:48--5:48--5:47--5:46--5:45--5:43--5:43--5:41--5:41
7:07--7:08--7:09--7:10--7:12--7:13--7:13--7:14--7:15--7:15--7:16--7:17--

Short Range Forecast: Mostly dry. Warm (max 22°C on Wed afternoon, min 15°C on Mon night). Winds decreasing (strong winds from the SE on Mon afternoon, calm by Wed night).

Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Thu night. Very mild (max 18°C on Thu afternoon, min 16°C on Thu night). Winds decreasing (fresh winds from the N on Thu night, light winds from the SSW by Fri night).

Days 6-9 Weather Summary Mostly dry. Very mild (max 19°C on Tue afternoon, min 14°C on Mon morning). Winds decreasing (near gales from the SE on Mon afternoon, calm by Tue afternoon).

Long Range Forecast: Mostly dry. Very mild (max 18°C on Wed afternoon, min 16°C on Wed night). Wind will be generally light.

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 I and Js 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.


Information about the I and Js Surf forecast

The above surf forecast table for I and Js provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at I and Js can be found by selecting the local surf guide option on the grey menu. Our I and Js surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (I and Js) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for I and Js may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Cape Town? If you are looking for accommodation near I and Js, camping, hotels and holiday cottages in Cape Town, consider staying in Cape Town which is 28 km (17 miles) away. Other places in and around Cape Town where you can find information about places to rent, and car hire include Bellville which is 40 km (25 miles) away, Robben Island, Stellenbosch and Kayamnandi.