Portslade surfForecast / South Coast / UK

information circle12 Day Weather and Surf, issued 6 am Tuesday 01 Jul 2025 BST
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
18.3° C
(Which is 3.7°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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 08) at 1AM. The primary swell is predicted to be 1.1m and 6s period with a secondary swell of 0.9m and 6s. Another secondary swell of 0.2m and 9s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Portslade in the next 12 days are 1.5m 6s and forecast to arrive on Sunday (Jul 06) at 7PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Monday (Jul 07) at 10AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Tue 8th Jul)3.5ft (1.1m) 6s
Best Surf 1AM (Tue 8th Jul)3.5ft (1.1m) 6s
Most Powerful 7PM (Sun 6th Jul)5ft (1.5m) 6s

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

Updates in  hr  min  s Forecast update imminent
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
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
0.3
SW
0.7
W
0.3
WSW
0.4
SW
0.5
SW
0.4
SW
0.6
SW
0.3
WSW
0.1
SW
0.1
SW
0.3
WSW
0.4
WSW
0.9
WSW
1.3
WSW
1
WSW
1.4
SW
0.6
SW
0.1
SW
1.4
SW
1.1
WSW
0.9
WSW
1.2
SW
0.9
WSW
0.4
WSW
1
WSW
0.8
WSW
0.4
SW
0.7
WSW
0.5
W
0.1
W
0.1
W
0.4
ESE
0.1
W
Period(s) (?)111144457338833466551056555545544109--38
Wave
Graph
(?)Metric surfscale
Energy (?)823398916141353233281016310627410213841707210403161316340041
Wind
(km/h)
5
WSW
25
SW
10
NNW
5
WNW
15
WNW
20
N
5
WNW
25
SW
15
NNW
5
SW
20
SW
10
WNW
30
SW
35
SW
30
W
30
WSW
35
WSW
15
NW
15
NNW
10
SSE
15
NNW
10
W
30
SW
15
WNW
15
WSW
30
SW
15
NW
15
WSW
25
SW
15
NW
10
WSW
20
SW
10
ENE
15
NE
15
ENE
30
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
off
glasscross-
off
offglasscross-
on
cross-
off
cross-
on
cross-
on
cross-
off
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
off
cross-
off
oncross-
off
crosscross-
on
cross-
off
cross-
on
cross-
on
cross-
off
crosscross-
on
cross-
off
crosscross-
on
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
4:37PM
5.35
4:56AM
5.12
5:25PM
5.09
5:46AM
4.87
6:16PM
4.88
6:42AM
4.68
7:13PM
4.74
7:43AM
4.60
8:12PM
4.70
8:44AM
4.63
9:10PM
4.75
9:40AM
4.76
10:01PM
4.89
10:29AM
4.96
10:47PM
5.07
11:13AM
5.20
11:29PM
5.28
11:54AM
5.45
12:09AM
5.49
12:33PM
5.67
12:48AM
5.69
1:12PM
5.86
1:27AM
5.85
Low Tide
/ height (m)
10:25AM
1.33
10:52PM
1.61
11:13AM
1.59
11:43PM
1.81
12:05PM
1.81
12:37AM
1.96
12:59PM
1.97
1:33AM
2.03
1:56PM
2.05
2:29AM
2.02
2:53PM
2.03
3:23AM
1.93
3:47PM
1.94
4:13AM
1.78
4:36PM
1.79
4:58AM
1.59
5:21PM
1.61
5:40AM
1.38
6:02PM
1.43
6:19AM
1.18
6:41PM
1.27
6:58AM
1.00
7:19PM
1.13
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunrise4:50--4:52--4:52--4:52--4:54--4:54--4:54--4:56--4:56--4:58--4:58--5:00--
Sunset-9:16--9:16--9:16--9:15--9:15--9:15--9:15--9:14--9:13--9:13--9:12--9:10-
cloudcloudpart cloudlight rainrain showersclearclearclearclearclearpart cloudpart cloudpart cloudlight rainpart cloudpart cloudpart cloudrain showerspart cloudpart cloudpart cloudclearclearclearclearclearclearclearclearclearclearclearclearclearclearpart cloud
Rain (mm)
---11--------2---1------------------
Temp. °C242425202120182020192019171617171815151718181921202324232524242727303122
Feels °C (?)252125211516131416151515111112111212131514121316171820192122222429272819

Short Range Forecast: Light rain (total 2mm), mostly falling on Wed morning. Warm (max 25°C on Tue night, min 13°C on Wed night). Mainly fresh winds.

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Sat afternoon. Warm (max 20°C on Fri afternoon, min 13°C on Sun night). Winds increasing (light winds from the SW on Fri morning, fresh winds from the SW by Sat afternoon).

Days 6-9 Weather Summary Mostly dry. Warm (max 24°C on Wed night, min 14°C on Mon night). Winds decreasing (fresh winds from the SW on Tue afternoon, light winds from the WNW by Tue night).

Long Range Forecast: Mostly dry. Warm (max 31°C on Sat afternoon, min 19°C on Thu night). Winds increasing (calm on Fri night, fresh winds from the NE by Sat night).

  • 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 12 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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