Herolds Bay surf break

Herolds Bay surfForecast / Garden Route / South Africa

information circle12 Day Weather and Surf, issued 7 am Thursday 18 Dec 2025 SAST
Forecast update in hr  min  s Forecast update imminent
Herolds Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Herolds Bay sea temperature is
21.1° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Herolds Bay this week:

The surf forecast for Herolds Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Dec 18) at 11PM. The primary swell is predicted to be 1.4m and 11s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Herolds Bay in the next 12 days are 2.5m 14s and forecast to arrive on Saturday (Dec 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 1.6m 13s period and expected on Friday (Dec 19) at 8PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Thu 18th Dec)4.5ft (1.4m) 11s
Best Surf 2AM (Sat 20th Dec)7ft (2.1m) 12s
Most Powerful 2PM (Sat 20th Dec)8ft (2.5m) 14s

Table - best surf conditions forecast for Herolds Bay over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 21°C on Sat afternoon, min 17°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Tue morning. Warm (max 25°C on Mon morning, min 19°C on Tue night). Winds decreasing (fresh winds from the ESE on Sun afternoon, calm by Sun night).

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
2
0
0
4
1
0
3
0
0
4
2
3
2
1
0
2
0
0
2
Swell
Height Map
Wave Height (m) & direction (?)
1.6
S
1.4
SSE
1.4
SSE
1.1
SSE
0.8
SSW
2.1
SSW
2.5
SSW
2.5
SSW
2.1
SSW
1.6
SSW
3.5
ESE
3
ESE
2.3
ESE
2.2
ESE
2.1
ESE
1.6
E
1.4
ESE
2.2
SE
1.3
ESE
2.1
ESE
1.1
SSE
Period(s) (?)10111110131214141312881010101111101067
Wave
Graph
(?)Metric surfscale
Energy kJ (?)460452423281222121723922570138372217471033943898901584460899349330125
Wind
(km/h)
15
SSE
15
SE
5
NNE
15
SSE
15
SSE
5
ENE
15
SE
25
ESE
15
E
30
ESE
35
ESE
5
E
15
S
10
SW
20
W
15
SSW
15
S
15
E
20
ESE
15
SE
5
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononglassononglasscross-
on
cross-
on
crosscross-
on
cross-
on
glassoncross-
on
cross-
off
cross-
on
oncross-
on
cross-
on
cross-
on
glass
High Tide
/ height (m)
2:47PM
1.64
3:14AM
1.58
3:20PM
1.68
3:47AM
1.63
3:53PM
1.71
4:19AM
1.66
4:24PM
1.71
4:51AM
1.68
4:56PM
1.69
5:24AM
1.68
5:28PM
1.65
5:59AM
1.67
6:04PM
1.59
Low Tide
/ height (m)
8:39AM
0.44
9:05PM
0.29
9:13AM
0.38
9:37PM
0.24
9:47AM
0.34
10:08PM
0.21
10:19AM
0.33
10:39PM
0.19
10:52AM
0.34
11:10PM
0.20
11:27AM
0.36
11:42PM
0.22
12:04PM
0.39
12:17AM
0.27
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Sunrise5:13--5:13--5:15--5:15--5:15--5:16--5:16--
Sunset-7:38--7:39--7:39--7:40--7:40--7:42--7:42-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
part cloud
rain showers
part cloud
part cloud
rain showers
Rain (mm)
---------------2-2--1
Temp. °C202018202018202120232321252524222120202120
Feels °C (?)171617181818181819191919262725212020202020
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Herolds Bay Surf forecast

The above surf forecast table for Herolds Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Herolds Bay can be found by selecting the local surf guide option on the grey menu. Our Herolds Bay 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 (Herolds Bay) 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 Herolds Bay 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 Garden Route? If you are looking for accommodation near Herolds Bay, camping, hotels and holiday cottages in Garden Route, consider staying in George which is 4 km (2 miles) away. Other places in and around Garden Route where you can find information about places to rent, and car hire include Mossel Bay which is 25 km (16 miles) away, Oudtshoorn, Knysna and Plettenberg Bay.

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