Surf Forecast Surf Report
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Portstewart Strand surf break
Beach
Portstewart Strand location map

Portstewart Strand surf Forecast / Londonderry / Ireland

12 Day Weather and Surf, issued 6 pm Sunday 19 May 2024 BST
Forecast update in  hr  min  s Update imminent
Portstewart Strand surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Portstewart Strand sea temperature is 11.7°C (Statistics for 19 May 1981-2005 - mean: 10.6 °C max: 11.7 °C min: 9.2 °C)
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
Portstewart Strand surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Portstewart Strand sea temperature is 11.7°C (Statistics for 19 May 1981-2005 - mean: 10.6 °C max: 11.7 °C min: 9.2 °C)


Best Forecast Surf Conditions for Portstewart Strand this week:

The surf forecast for Portstewart Strand over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (May 24) at 4AM. The primary swell is predicted to be 0.9m and 9s period. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Portstewart Strand in the next 12 days are 1.7m 8s and forecast to arrive on Wednesday (May 22) at 10PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Saturday (May 25) at 7PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Fri 24th May)3ft (0.9m) 9s
Best Surf 7AM (Fri 24th May)2.5ft (0.7m) 9s
Most Powerful10PM (Wed 22nd May)5.5ft (1.7m) 8s

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

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Quick surf report for Portstewart Strand:

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Updates in  hr  min  s Update imminent
Sun
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Fri
31
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
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
Swell
Height Map
Wave Height (m) & direction (?)
0.6
NW
0.5
NW
0.4
NW
0.4
NW
0.5
NW
0.4
WNW
0.4
WNW
0.4
WNW
0.6
WNW
1.1
NW
1.7
NNW
1.5
NNW
1.3
NNW
0.9
NNW
0.6
NW
0.5
NW
0.4
WNW
0.3
WNW
0.2
W
0.1
W
0.1
NW
0.3
NW
0.6
WNW
0.9
WNW
1.2
WNW
0.9
WNW
0.7
NW
0.6
WNW
0.4
WNW
0.4
WNW
0.4
WNW
0.8
WNW
0.7
WNW
0.7
WNW
0.7
WNW
0.4
WNW
Period(s) (?)8881099910998710998111313131312111010988811101211101010
Wave
Graph
(?)Metric surfscale
Energy (?)57311525413231385517638423632514561324231123722821712561457244233835164109958843
Wind
(km/h)
15
NNW
5
N
10
SE
15
SE
10
SSE
10
SSE
10
N
15
NNW
30
NNW
35
NW
40
NNW
30
NNW
25
NNW
15
WNW
10
S
15
SSE
20
SSE
30
SE
35
SE
30
SE
25
SE
30
SE
10
ESE
10
ENE
15
NE
5
WNW
5
SE
10
ENE
10
SSE
5
SE
20
SE
15
SSE
10
S
5
N
0
W
15
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
glassoffoffoffoffcross-
on
ononononcross-
on
oncross-
on
cross-
off
cross-
off
offoffoffoffoffoffoffcross-
off
crossglassglasscross-
off
cross-
off
offoffoffcross-
off
cross-
on
glassoff
High Tide
/ height (m)
4:49PM
1.32
5:00AM
1.58
5:20PM
1.43
5:31AM
1.62
5:51PM
1.54
6:02AM
1.65
6:23PM
1.62
6:35AM
1.65
6:56PM
1.68
7:08AM
1.64
7:31PM
1.70
7:44AM
1.61
8:08PM
1.70
8:21AM
1.55
8:49PM
1.67
9:02AM
1.47
9:36PM
1.62
9:48AM
1.36
10:30PM
1.58
10:44AM
1.25
11:36PM
1.55
11:56AM
1.16
12:52AM
1.55
Low Tide
/ height (m)
10:49PM
0.42
11:29AM
0.34
11:28PM
0.36
11:59AM
0.28
12:05AM
0.31
12:28PM
0.24
12:41AM
0.28
12:57PM
0.22
1:17AM
0.27
1:28PM
0.22
1:53AM
0.29
2:00PM
0.24
2:32AM
0.34
2:35PM
0.28
3:17AM
0.40
3:15PM
0.32
4:11AM
0.47
4:03PM
0.37
5:18AM
0.53
5:02PM
0.42
6:35AM
0.54
6:11PM
0.46
7:52AM
0.51
Sun
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Fri
31
Sunrise--5:09--5:07--5:05--5:03--5:03--5:01--5:00--4:58--4:58--4:56--4:56--4:54
Sunset9:37--9:37--9:39--9:42--9:43--9:45--9:45--9:47--9:49--9:51--9:52--9:52--
part cloudclearclearpart cloudpart cloudpart cloudrain showerspart cloudcloudcloudcloudpart cloudpart cloudclearclearpart cloudcloudcloudcloudlight rainpart cloudclearrain showerslight rainlight rainlight rainrain showersrain showersrain showersclearrain showersclearcloudlight rainrain showerscloud
Rain (mm)
------3------------1--1112121-2--33-
Temp. °C1211181815151412111110910813151214141316171314131215161517181514141312
Feels °C (?)9101616131512105422441011877811121013111214151415151314131310

Short Range Forecast: Light rain (total 3mm), mostly falling on Tue afternoon. Very mild (max 18°C on Mon morning, min 11°C on Sun afternoon). Winds increasing (calm on Tue morning, fresh winds from the NW by Wed morning).

Days 3-6 Weather Summary Mostly dry. Very mild (max 15°C on Fri afternoon, min 6°C on Thu night). Winds decreasing (strong winds from the NW on Wed afternoon, light winds from the SSW by Thu night).

Days 6-9 Weather Summary Light rain (total 7mm), mostly falling on Sat night. Very mild (max 17°C on Sun afternoon, min 11°C on Sun night). Winds decreasing (fresh winds from the SE on Sat night, calm by Mon night).

Long Range Forecast: Moderate rain (total 12mm), heaviest on Thu afternoon. Very mild (max 18°C on Wed afternoon, min 12°C on Tue night). Wind will be generally light.

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Portstewart Strand 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 Portstewart Strand Surf forecast

The above surf forecast table for Portstewart Strand provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Portstewart Strand can be found by selecting the local surf guide option on the grey menu. Our Portstewart Strand 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 (Portstewart Strand) 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 Portstewart Strand 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 Londonderry? If you are looking for accommodation near Portstewart Strand, camping, hotels and holiday cottages in Londonderry, consider staying in Coleraine which is 6 km (4 miles) away. Other places in and around Londonderry where you can find information about places to rent, and car hire include Ballycastle which is 32 km (20 miles) away, Ballypatrick, Derry and Londonderry County Borough.

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