Portslade surfForecast / South Coast / UK

information circle16 Day Weather and Surf, issued 11 pm Saturday 21 Mar 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Portslade surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Portslade sea temperature is
9.7° C
(Which is 1.6°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Portslade this week:

The surf forecast for Portslade over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Mar 27) at 9PM. The primary swell is predicted to be 1.0m and 5s period with a secondary swell of 0.7m and 5s. Another secondary swell of 0.1m and 11s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Portslade in the next 16 days are 2.1m 7s and forecast to arrive on Tuesday (Mar 24) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 4s period and expected on Wednesday (Mar 25) at 9PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Fri 27th Mar)3.5ft (1.0m) 5s
Best Surf 9PM (Fri 27th Mar)3.5ft (1.0m) 5s
Most Powerful 9PM (Tue 24th Mar)7ft (2.1m) 7s

Table - best surf conditions forecast for Portslade over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 11°C on Sun afternoon, min 5°C on Sat night). Winds increasing (calm on Mon morning, strong winds from the SW by Tue afternoon).

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Tue night. Very mild (max 11°C on Tue night, min 3°C on Wed night). Winds decreasing (strong winds from the WNW on Wed morning, calm by Thu night).

Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sat
28
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.1
SW
0.1
SW
0.1
SW
0.1
SW
0.1
SW
0.1
SW
0.1
SW
0.9
SW
1.7
SW
1.8
WSW
1.6
W
1.6
W
0.8
WSW
0.3
WSW
0.3
WSW
0.1
SW
0.7
W
0.8
WSW
0.8
WSW
1
WSW
1.8
SW
Period(s) (?)12131413121312467557661244556
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6687666281723441211076666614213644248
Wind
(km/h)
15
NE
15
NNE
5
W
5
NNE
15
NNE
15
SW
15
SW
30
SW
45
SW
40
WNW
45
WNW
40
NW
30
NW
30
NW
25
NNW
15
WNW
10
NW
10
SW
5
S
20
WSW
35
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
crosscross-
off
offcross-
on
cross-
on
cross-
on
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
oncross-
on
cross-
off
High Tide
/ height (m)
1:05AM
6.62
1:25PM
6.56
1:46AM
6.41
2:10PM
6.28
2:32AM
6.05
2:59PM
5.87
3:24AM
5.59
3:58PM
5.41
4:28AM
5.13
5:13PM
5.02
5:51AM
4.83
6:45PM
4.90
7:23AM
4.87
Low Tide
/ height (m)
7:08AM
0.31
7:29PM
0.40
7:50AM
0.51
8:13PM
0.73
8:37AM
0.85
9:05PM
1.18
9:34AM
1.26
10:09PM
1.64
10:46AM
1.65
11:33PM
1.97
12:17PM
1.84
1:07AM
1.99
1:46PM
1.72
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sat
28
Sunrise-6:00--5:58--5:56--5:52--5:50--5:48--5:47-
Sunset--6:15--6:16--6:19--6:21--6:22--6:23--6:25
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
rain showers
part cloud
part cloud
clear
part cloud
part cloud
light rain
cloud
part cloud
cloud
cloud
rain showers
Rain (mm)
---------1-----2----1
Temp. °C71011111010101011117867871011111110
Feels °C (?)2898977423-4-2-2-115891072
  • Map Icons:
  • Break
  • 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 Portslade Surf forecast

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

Portslade is 2 km (1 miles) from the city of Portslade. If you plan a holiday in South Coast of England, look for hotels and other accommodation in Portslade. Portslade has rooms for a wide range of budgets as well as car hire and transport links.

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