Port St Johns surfForecast / Eastern Cape – Wild Coast / South Africa

information circle16 Day Weather and Surf, issued 1 am Tuesday 17 Mar 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Port St Johns surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Port St Johns sea temperature is
24.3° C
(Which is slightly cooler than normal)

Best Forecast Surf Conditions for Port St Johns this week:

The surf forecast for Port St Johns over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Mar 18) at 5AM. The primary swell is predicted to be 1.8m and 6s period with a secondary swell of 1.5m and 7s. Another secondary swell of 0.7m and 11s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Port St Johns in the next 16 days are 2.1m 14s and forecast to arrive on Friday (Mar 20) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 5s period and expected on Monday (Mar 23) at 2AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Wed 18th Mar)6ft (1.8m) 6s
Best Surf 2AM (Fri 20th Mar)4.5ft (1.4m) 14s
Most Powerful 2PM (Fri 20th Mar)7ft (2.1m) 14s

Table - best surf conditions forecast for Port St Johns over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 17mm), heaviest on Wed afternoon. Warm (max 28°C on Tue afternoon, min 21°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 12mm), heaviest on Fri night. Warm (max 28°C on Sun afternoon, min 19°C on Fri night). Mainly fresh winds.

Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
1
1
1
2
2
0
4
0
0
2
2
3
3
0
0
2
1
1
2
Swell
Height Map
Wave Height (m) & direction (?)
0.8
SSW
0.8
SSW
0.7
SSW
1.3
E
1.3
E
1.2
E
1.1
E
1.1
SSW
1.4
SSW
1.4
SSW
2.2
SSW
1.7
S
1.4
SSW
1.5
SSW
1.3
SSW
0.9
S
1.6
E
1.6
E
1.4
E
1.4
E
0.7
SSW
Period(s) (?)1212128109101314147712121211778813
Wave
Graph
(?)Metric surfscale
Energy kJ (?)167164123193305234214402714767444298589634470188239261223223145
Wind
(km/h)
10
SE
25
ENE
20
NNE
10
ESE
10
SSW
5
NNW
10
E
20
ENE
10
NNE
35
SSW
25
SSW
20
WSW
15
WSW
10
WSW
10
NE
30
ENE
30
ENE
10
NNE
10
ENE
10
E
15
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
cross-
off
oncrosscross-
off
cross-
on
cross-
on
cross-
off
crosscrosscross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross-
off
crosscross-
on
cross-
off
High Tide
/ height (m)
3:13PM
1.60
3:31AM
1.75
3:42PM
1.69
3:59AM
1.86
4:12PM
1.74
4:29AM
1.91
4:42PM
1.75
4:59AM
1.89
5:13PM
1.70
5:31AM
1.81
5:46PM
1.61
6:05AM
1.67
6:20PM
1.47
Low Tide
/ height (m)
9:10AM
0.17
9:17PM
0.06
9:39AM
0.05
9:45PM
-0.03
10:08AM
-0.04
10:14PM
-0.09
10:39AM
-0.07
10:44PM
-0.09
11:10AM
-0.04
11:15PM
-0.03
11:42AM
0.04
11:49PM
0.07
12:16PM
0.18
12:24AM
0.23
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Sunrise6:01--6:03--6:03--6:03--6:05--6:05--6:05--
Sunset-6:16--6:15--6:14--6:13--6:12--6:10--6:08-
clear
clear
clear
clear
rain showers
thunderstorm
clear
clear
clear
part cloud
light rain
mod rain
light rain
cloud
rain showers
clear
clear
part cloud
clear
part cloud
light rain
Rain (mm)
----152----191-1-----1
Temp. °C262824272823262723262420192020262823303126
Feels °C (?)272924292826282723282219181920242623313329
  • 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

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Information about the Port St Johns Surf forecast

The above surf forecast table for Port St Johns provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Port St Johns can be found by selecting the local surf guide option on the grey menu. Our Port St Johns 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 (Port St Johns) 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 Port St Johns 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.

Port St Johns is 1 km (1 miles) from the city of Port Saint Johns. If you plan a holiday in Eastern Cape - Wild Coast, look for hotels and other accommodation in Port Saint Johns. Port Saint Johns has rooms for a wide range of budgets as well as car hire and transport links.

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