Marine Forecast - Isle of Arran

Live Sea State Warnings

No warnings currently. (Integrate Met Office API for live updates)

Tide Updates

High Tide: 08:00 (2.5m) | Low Tide: 14:00 (0.5m). (Integrate Admiralty Tide API)

Ferry Updates

Arran Ferry: On time. (Integrate CalMac API)

Hourly Wave Height Forecast
Wave Height (m) 4 3.5 3 2.5 2 1.5 1 0.5 0
Apr 09 05:00
Apr 09 07:00
Apr 09 09:00
Apr 09 11:00
Apr 09 13:00
Apr 09 15:00
Apr 09 17:00
Apr 09 19:00
Apr 09 21:00
Apr 09 23:00
Apr 10 01:00
Apr 10 03:00
Apr 10 05:00
Apr 10 07:00
Apr 10 09:00
Apr 10 11:00
Apr 10 13:00
Apr 10 15:00
Apr 10 17:00
Apr 10 19:00
Apr 10 21:00
Apr 10 23:00
Apr 11 01:00
Apr 11 03:00
Apr 11 05:00
Apr 11 07:00
Apr 11 09:00
Apr 11 11:00
Apr 11 13:00
Apr 11 15:00
Apr 11 17:00
Apr 11 19:00
Apr 12 07:00
Apr 12 19:00
Apr 13 07:00
Apr 13 19:00
Apr 14 07:00
Apr 14 19:00
Time
Time Wave Height (m)
Apr 09 05:00 0.44
Apr 09 07:00 0.44
Apr 09 09:00 0.46
Apr 09 11:00 0.50
Apr 09 13:00 0.56
Apr 09 15:00 0.62
Apr 09 17:00 0.68
Apr 09 19:00 0.70
Apr 09 21:00 0.68
Apr 09 23:00 0.62
Apr 10 01:00 0.52
Apr 10 03:00 0.42
Apr 10 05:00 0.36
Apr 10 07:00 0.34
Apr 10 09:00 0.36
Apr 10 11:00 0.62
Apr 10 13:00 0.90
Apr 10 15:00 1.20
Apr 10 17:00 1.46
Apr 10 19:00 1.64
Apr 10 21:00 1.74
Apr 10 23:00 2.00
Apr 11 01:00 2.02
Apr 11 03:00 1.82
Apr 11 05:00 1.60
Apr 11 07:00 1.36
Apr 11 09:00 1.14
Apr 11 11:00 1.08
Apr 11 13:00 1.18
Apr 11 15:00 1.46
Apr 11 17:00 1.72
Apr 11 19:00 1.98
Apr 12 07:00 1.68
Apr 12 19:00 0.88
Apr 13 07:00 0.40
Apr 13 19:00 0.28
Apr 14 07:00 0.12
Apr 14 19:00 0.08
Thursday, 9 April 2026
Time Weather Air Temp (°C) Sea Temp (°C) Wind Speed (mph) Wind Gusts (mph) Wind Dir Wind Cardinal Wave Height (m) Wave Dir Wave Cardinal Wave Period (s) Current Vel (mph) Current Dir Current Cardinal Sea Level (m) Beaufort
05:00 heavyrain 7.9 8.5 14.3 20.0 N/A N/A 0.44 S 3.40 0.30 SW 0.30 4
06:00 rain 7.9 8.5 15.0 21.0 N/A N/A 0.44 S 3.40 0.30 SW -0.10 4
07:00 rain 8.1 8.5 16.1 22.5 N/A N/A 0.44 S 3.30 0.10 S -0.48 4
08:00 cloudy 8.1 8.5 16.6 23.2 N/A N/A 0.46 SW 3.15 0.20 SE -0.74 4
09:00 rain 8.2 8.6 13.4 18.8 N/A N/A 0.46 SW 3.05 0.20 SE -0.89 4
10:00 cloudy 7.9 8.6 15.7 22.0 N/A N/A 0.48 SW 3.05 0.20 SE -1.00 4
11:00 cloudy 7.3 8.6 17.4 24.4 N/A N/A 0.50 SW 3.05 0.30 SE -1.02 4
12:00 cloudy 7.5 8.6 21.0 29.4 N/A N/A 0.52 SW 3.10 0.40 E -0.85 5
13:00 cloudy 7.9 8.6 21.0 29.4 N/A N/A 0.56 SW 3.10 0.60 E -0.48 5
14:00 partlycloudy_day 7.2 8.6 22.4 31.4 N/A N/A 0.58 SW 3.15 0.60 E -0.05 5
15:00 fair_day 7.8 8.6 22.1 30.9 N/A N/A 0.62 SW 3.20 0.40 E 0.27 5
16:00 fair_day 8.0 8.5 22.1 30.9 N/A N/A 0.66 SW 3.25 0.30 SE 0.36 5
17:00 lightrain 6.7 8.5 24.4 34.2 N/A N/A 0.68 W 3.35 0.30 SE 0.19 5
18:00 cloudy 6.2 8.5 29.3 41.0 N/A N/A 0.72 W 3.45 0.40 S -0.14 6
19:00 fair_day 6.0 8.5 29.1 40.7 N/A N/A 0.70 W 3.55 0.40 S -0.51 6
20:00 fair_night 5.6 8.5 26.8 37.5 N/A N/A 0.70 W 3.65 0.30 SE -0.81 6
21:00 fair_night 5.4 8.5 24.8 34.7 N/A N/A 0.68 W 3.75 0.30 SE -0.99 5
22:00 fair_night 5.5 8.4 22.4 31.4 N/A N/A 0.64 W 3.80 0.30 SE -1.08 5
23:00 partlycloudy_night 4.8 8.4 22.8 31.9 N/A N/A 0.62 W 3.75 0.30 SE -1.10 5
Friday, 10 April 2026
Time Weather Air Temp (°C) Sea Temp (°C) Wind Speed (mph) Wind Gusts (mph) Wind Dir Wind Cardinal Wave Height (m) Wave Dir Wave Cardinal Wave Period (s) Current Vel (mph) Current Dir Current Cardinal Sea Level (m) Beaufort
00:00 fair_night 4.7 8.4 24.2 33.9 N/A N/A 0.58 W 3.75 0.40 E -0.98 5
01:00 clearsky_night 4.6 8.4 20.6 28.8 N/A N/A 0.52 W 3.75 0.40 E -0.66 5
02:00 clearsky_night 4.7 8.4 17.2 24.1 N/A N/A 0.48 W 3.70 0.50 E -0.22 4
03:00 clearsky_night 4.7 8.4 18.6 26.0 N/A N/A 0.42 W 3.65 0.30 E 0.15 4
04:00 fair_night 4.5 8.4 18.3 25.6 N/A N/A 0.38 SW 3.60 0.10 E 0.32 4
05:00 fair_night 4.0 8.4 15.9 22.3 N/A N/A 0.36 SW 3.55 0.20 SW 0.25 4
06:00 partlycloudy_day 3.7 8.4 13.9 19.5 N/A N/A 0.32 SW 3.45 0.30 SW -0.01 4
07:00 partlycloudy_day 3.4 8.4 10.5 14.7 N/A N/A 0.34 SW 3.25 0.20 W -0.37 3
08:00 fair_day 4.8 8.4 10.3 14.4 N/A N/A 0.34 SW 3.00 0.20 NW -0.69 3
09:00 lightrainshowers_day 5.7 8.4 11.9 16.7 N/A N/A 0.36 SW 2.85 0.30 NW -0.89 3
10:00 lightrainshowers_day 6.0 8.4 13.9 19.5 N/A N/A 0.48 S 2.90 0.30 NW -1.00 4
11:00 lightrainshowers_day 6.3 8.4 15.0 21.0 N/A N/A 0.62 S 3.05 0.30 NW -1.07 4
12:00 rain 6.8 8.4 17.9 25.1 N/A N/A 0.74 S 3.30 0.30 N -1.03 4
13:00 cloudy 7.0 8.4 21.9 30.7 N/A N/A 0.90 S 3.60 0.50 NE -0.78 5
14:00 lightrain 6.7 8.4 24.8 34.7 N/A N/A 1.04 S 3.95 0.60 N -0.35 5
15:00 cloudy 6.6 8.4 24.8 34.7 N/A N/A 1.20 S 4.30 0.60 N 0.11 5
16:00 lightrain 6.6 8.4 26.6 37.2 N/A N/A 1.34 S 4.60 0.40 N 0.45 6
17:00 cloudy 6.2 8.4 27.7 38.8 N/A N/A 1.46 S 4.85 0.40 NW 0.58 6
18:00 cloudy 5.7 8.4 28.9 40.5 N/A N/A 1.60 S 5.05 0.50 NW 0.50 6
19:00 rain 5.5 8.4 30.4 42.6 N/A N/A 1.64 S 5.20 0.50 NW 0.29 6
20:00 lightrain 4.8 8.4 27.3 38.2 N/A N/A 1.70 S 5.35 0.50 NW 0.07 6
21:00 cloudy 5.4 8.4 25.1 35.1 N/A N/A 1.74 S 5.45 0.40 NW -0.11 5
22:00 lightrain 5.8 8.4 25.5 35.7 N/A N/A 1.86 S 5.60 0.40 NW -0.23 6
23:00 lightrain 6.7 8.4 34.2 47.9 N/A N/A 2.00 S 5.75 0.50 N -0.30 7
Saturday, 11 April 2026
Time Weather Air Temp (°C) Sea Temp (°C) Wind Speed (mph) Wind Gusts (mph) Wind Dir Wind Cardinal Wave Height (m) Wave Dir Wave Cardinal Wave Period (s) Current Vel (mph) Current Dir Current Cardinal Sea Level (m) Beaufort
00:00 lightrain 6.6 8.4 34.2 47.9 N/A N/A 2.12 S 5.85 0.40 N -0.30 7
01:00 heavyrain 6.8 8.4 38.5 53.9 N/A N/A 2.02 S 5.85 0.50 NE -0.17 7
02:00 heavyrain 6.2 8.4 34.4 48.2 N/A N/A 1.92 S 5.85 0.60 NE 0.08 7
03:00 rain 6.9 8.4 26.2 36.7 N/A N/A 1.82 S 5.80 0.60 NE 0.37 6
04:00 rain 6.6 8.4 27.3 38.2 N/A N/A 1.70 S 5.75 0.50 NE 0.61 6
05:00 cloudy 6.2 8.4 27.3 38.2 N/A N/A 1.60 S 5.65 0.30 NE 0.74 6
06:00 partlycloudy_day 6.4 8.4 25.7 36.0 N/A N/A 1.48 S 5.55 0.30 NE 0.72 6
07:00 lightrainshowers_day 6.3 8.4 26.4 37.0 N/A N/A 1.36 S 5.40 0.10 N 0.52 6
08:00 rainshowers_day 6.3 8.4 27.5 38.5 N/A N/A 1.26 S 5.25 0.20 NW 0.20 6
09:00 rainshowers_day 6.0 8.4 26.2 36.7 N/A N/A 1.14 S 5.10 0.20 NW -0.17 6
10:00 lightrain 5.1 8.4 29.5 41.3 N/A N/A 1.10 S 4.90 0.10 N -0.48 6
11:00 rain 4.8 8.4 29.5 41.3 N/A N/A 1.08 S 4.70 0.20 N -0.72 6
12:00 lightrain 5.6 8.4 25.3 35.4 N/A N/A 1.04 S 4.60 0.30 NE -0.86 5
13:00 lightrainshowers_day 6.6 8.4 24.2 33.9 N/A N/A 1.18 S 4.65 0.40 NE -0.84 5
14:00 partlycloudy_day 7.2 8.4 26.6 37.2 N/A N/A 1.32 S 4.75 0.60 NE -0.64 6
15:00 partlycloudy_day 7.4 8.4 28.0 39.2 N/A N/A 1.46 S 4.90 0.70 NE -0.32 6
16:00 lightrainshowers_day 7.5 8.4 25.7 36.0 N/A N/A 1.58 S 5.10 0.50 NE -0.01 6
17:00 lightrainshowers_day 7.4 8.4 30.6 42.8 N/A N/A 1.72 S 5.35 0.50 N 0.20 6
18:00 lightrainshowers_day 7.0 8.4 28.6 40.0 N/A N/A 1.84 S 5.60 0.40 N 0.28 6
19:00 rain 7.4 8.4 28.9 40.5 N/A N/A 1.98 S 5.75 0.50 N 0.21 6
Sunday, 12 April 2026
Time Weather Air Temp (°C) Sea Temp (°C) Wind Speed (mph) Wind Gusts (mph) Wind Dir Wind Cardinal Wave Height (m) Wave Dir Wave Cardinal Wave Period (s) Current Vel (mph) Current Dir Current Cardinal Sea Level (m) Beaufort
01:00 rain 7.2 8.4 26.2 36.7 N/A N/A 2.14 S 6.55 0.50 N -0.86 6
07:00 rainshowers_day 6.8 8.4 25.5 35.7 N/A N/A 1.68 S 5.75 0.40 N 0.31 6
13:00 rainshowers_day 9.7 8.4 20.1 28.1 N/A N/A 1.34 S 5.30 0.30 NE -1.17 5
19:00 rainshowers_night 7.4 8.4 12.8 17.9 N/A N/A 0.88 SW 4.35 0.30 NE 0.19 4
Monday, 13 April 2026
Time Weather Air Temp (°C) Sea Temp (°C) Wind Speed (mph) Wind Gusts (mph) Wind Dir Wind Cardinal Wave Height (m) Wave Dir Wave Cardinal Wave Period (s) Current Vel (mph) Current Dir Current Cardinal Sea Level (m) Beaufort
01:00 cloudy 5.4 8.4 8.7 12.2 N/A N/A 0.54 SW 4.05 0.10 W -0.93 3
07:00 cloudy 4.0 8.4 5.1 7.1 N/A N/A 0.40 S 3.70 0.20 NE 0.32 2
13:00 rainshowers_day 7.9 8.4 8.1 11.3 N/A N/A 0.40 S 3.30 0.10 W -1.11 3
19:00 partlycloudy_night 6.6 8.6 10.3 14.4 N/A N/A 0.28 S 3.35 0.30 NE 0.09 3
Tuesday, 14 April 2026
Time Weather Air Temp (°C) Sea Temp (°C) Wind Speed (mph) Wind Gusts (mph) Wind Dir Wind Cardinal Wave Height (m) Wave Dir Wave Cardinal Wave Period (s) Current Vel (mph) Current Dir Current Cardinal Sea Level (m) Beaufort
01:00 fair_night 4.0 8.5 2.9 4.1 N/A N/A 0.18 S 3.75 0.40 W -0.90 1
07:00 fair_day 3.4 8.5 2.5 3.5 N/A N/A 0.12 S 4.20 0.10 E 0.16 1
13:00 clearsky_day 9.5 8.9 5.8 8.1 N/A N/A 0.10 S 4.60 0.50 W -0.96 2
19:00 partlycloudy_night 9.1 9.5 3.6 5.0 N/A N/A 0.08 S 4.60 0.50 E -0.21 1
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