Portrush Sea Conditions and Tide Table

Portrush Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 08:48 AM and sunset is at 03:56 PM.

Days 1–3 Weather Summary

Moderate rain (total 11mm), heaviest on Thu afternoon. Cool air temperatures (max 11°C on Wed morning, min 6°C on Thu morning). Winds increasing (moderate winds from the SSW on Wed morning, strong winds from the SW by Thu night).

Days 4–6 Weather Summary

Heavy rain (total 20mm), heaviest during Mon afternoon. Cool air temperatures (max 10°C on Sat morning, min 7°C on Sat afternoon). Winds decreasing (strong winds from the SSE on Sat morning, calm by Sun night).

Days 7–9 Weather Summary

Heavy rain (total 25mm), heaviest during Wed morning. Mild temperatures (max 9°C on Tue morning, min 6°C on Wed morning). Winds increasing (calm on Wed afternoon, strong winds from the E by Thu morning).

Days 10–12 Weather Summary

Moderate rain (total 12mm), heaviest on Fri night. Mild temperatures (max 8°C on Fri morning, min 6°C on Mon morning). Winds decreasing (fresh winds from the ESE on Fri afternoon, light winds from the ENE by Sun night).

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
5:24PM1.85m
5:41AM1.98m
5:53PM1.87m
6:15AM2.08m
6:23PM1.89m
6:47AM2.15m
6:54PM1.91m
7:19AM2.18m
7:26PM1.91m
7:52AM2.19m
8:01PM1.88m
8:29AM2.18m
8:40PM1.83m
9:11AM2.15m
9:23PM1.75m
9:59AM2.10m
10:12PM1.65m
10:57AM2.05m
11:15PM1.56m
12:08PM2.02m
1:01AM1.52m
1:20PM2.02m
2:27AM1.57m
Low Tide
10:41AM0.99m
11:38PM0.87m
11:23AM0.99m
00:05AM0.85m
12:02PM1.00m
00:32AM0.82m
12:40PM1.01m
1:00AM0.80m
1:17PM1.01m
1:30AM0.78m
1:56PM1.00m
2:01AM0.78m
2:37PM0.99m
2:37AM0.79m
3:24PM0.98m
3:18AM0.82m
4:17PM0.98m
4:06AM0.88m
5:20PM0.98m
5:05AM0.94m
6:38PM0.98m
6:24AM0.97m
7:51PM0.96m
Wave
height (m) 
direction
period (s) 
1.1
NW
13
0.8
NW
13
2.1
NW
18
3
NW
19
3
NW
19
2.5
NW
18
3
NW
16
2.5
NW
16
1.9
NW
14
1.2
NW
13
1
NW
12
1.1
NW
18
2.1
NW
17
2
NW
16
1.6
NW
15
0.9
NW
13
0.9
NW
12
1.2
NE
6
0.7
NW
8
1.2
ENE
5
0.9
NW
16
0.6
NNW
15
0.6
NW
14
0.9
NW
13
1.5
ENE
5
1.6
ENE
5
1.4
ENE
5
0.9
ENE
5
0.7
E
4
0.9
E
5
0.7
E
4
0.7
NNW
9
0.5
NW
13
0.6
NW
16
0.5
NW
15
0.6
NW
16
light rain
part cloud
rain showers
part cloud
light rain
rain showers
rain showers
part cloud
cloud
light rain
rain showers
light rain
light rain
cloud
rain showers
part cloud
light rain
rain showers
light rain
light rain
part cloud
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
cloud
mod rain
light rain
light rain
cloud
cloud
cloud
light rain
light rain
some clouds
rain shwrs
some clouds
light rain
rain shwrs
rain shwrs
some clouds
cloudy
light rain
rain shwrs
light rain
light rain
cloudy
rain shwrs
some clouds
light rain
rain shwrs
light rain
light rain
some clouds
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
cloudy
mod rain
light rain
light rain
cloudy
cloudy
cloudy
light rain
 km/h
30
S
20
SSW
30
SSW
25
SSE
40
SSE
45
SW
45
WSW
35
SW
35
S
40
SSE
15
SSW
10
ESE
35
ESE
35
E
30
ESE
5
E
25
ENE
30
E
20
ESE
30
ENE
20
ENE
10
NE
5
E
20
E
40
E
40
ENE
35
E
25
ESE
25
ESE
30
ESE
25
ESE
25
SE
20
SE
20
ESE
15
E
5
SSE
 mm 
1
1
5
2
2
1
3
4
1
5
5
1
1
2
4
2
6
3
3
4
1
6
3
1
1
max°C
11
11
8
8
9
8
8
8
9
10
8
8
7
9
9
8
9
9
9
9
8
7
7
8
8
7
8
8
8
8
8
8
8
8
7
7
Moonrise
6:45
8:01
9:09
10:03
10:39
11:03
11:19
11:30
11:39
11:46
11:53
12:00
Moonset
1:35
2:00
2:38
3:33
4:44
6:04
7:28
8:52
10:15
11:39
1:05
Sunrise
8:48
8:48
8:48
8:49
8:49
8:51
8:51
8:52
8:52
8:52
8:52
8:52
Sunset
3:56
3:56
3:56
3:57
3:57
3:59
3:59
4:00
4:00
4:00
4:01
4:02
Today's sea temperature in Portrush is
11.2° C
(Statistics for 17 Dec 1981-2005 – mean: 9.9 max: 11.1 min: 8.9°C)
Issued (local time): 5 am Wednesday 17 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest