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
Time
| Time | Wave Height (m) |
|---|---|
| May 24 17:00 | 0.48 |
| May 24 19:00 | 0.48 |
| May 24 21:00 | 0.46 |
| May 24 23:00 | 0.42 |
| May 25 01:00 | 0.36 |
| May 25 03:00 | 0.30 |
| May 25 05:00 | 0.26 |
| May 25 07:00 | 0.24 |
| May 25 09:00 | 0.22 |
| May 25 11:00 | 0.20 |
| May 25 13:00 | 0.16 |
| May 25 15:00 | 0.14 |
| May 25 17:00 | 0.12 |
| May 25 19:00 | 0.10 |
| May 25 21:00 | 0.08 |
| May 25 23:00 | 0.06 |
| May 26 01:00 | 0.06 |
| May 26 03:00 | 0.06 |
| May 26 05:00 | 0.04 |
| May 26 07:00 | 0.04 |
| May 26 09:00 | 0.04 |
| May 26 11:00 | 0.04 |
| May 26 13:00 | 0.04 |
| May 26 15:00 | 0.02 |
| May 26 17:00 | 0.04 |
| May 26 19:00 | 0.06 |
| May 26 21:00 | 0.10 |
| May 26 23:00 | 0.12 |
| May 27 01:00 | 0.12 |
| May 27 03:00 | 0.10 |
| May 27 05:00 | 0.12 |
| May 27 07:00 | 0.14 |
| May 27 19:00 | 0.08 |
| May 28 07:00 | 0.26 |
| May 28 19:00 | 0.44 |
| May 29 07:00 | 0.44 |
| May 29 19:00 | 0.18 |
| May 30 07:00 | 0.34 |
| May 30 19:00 | 0.80 |
Sunday, 24 May 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 17:00 |
|
16.3 | 12.6 | 15.4 | 21.6 | N/A | N/A | 0.48 | S | 3.60 | 0.50 | NE | 0.04 | 4 | ||
| 18:00 |
|
15.8 | 12.6 | 14.5 | 20.3 | N/A | N/A | 0.50 | S | 3.65 | 0.40 | NE | 0.27 | 4 | ||
| 19:00 |
|
15.2 | 12.6 | 15.2 | 21.3 | N/A | N/A | 0.48 | S | 3.65 | 0.20 | NE | 0.34 | 4 | ||
| 20:00 |
|
14.4 | 12.6 | 15.4 | 21.6 | N/A | N/A | 0.48 | S | 3.65 | 0.10 | W | 0.18 | 4 | ||
| 21:00 |
|
13.1 | 12.6 | 15.4 | 21.6 | N/A | N/A | 0.46 | S | 3.60 | 0.30 | SW | -0.20 | 4 | ||
| 22:00 |
|
12.2 | 12.6 | 14.1 | 19.7 | N/A | N/A | 0.44 | S | 3.55 | 0.40 | SW | -0.70 | 4 | ||
| 23:00 |
|
11.8 | 12.6 | 11.9 | 16.7 | N/A | N/A | 0.42 | S | 3.50 | 0.30 | SW | -1.15 | 3 |
Monday, 25 May 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 |
|
11.5 | 12.5 | 10.7 | 15.0 | N/A | N/A | 0.40 | S | 3.45 | 0.10 | E | -1.35 | 3 | ||
| 01:00 |
|
11.3 | 12.4 | 10.1 | 14.1 | N/A | N/A | 0.36 | S | 3.40 | 0.40 | E | -1.20 | 3 | ||
| 02:00 |
|
11.0 | 12.4 | 9.2 | 12.9 | N/A | N/A | 0.34 | S | 3.35 | 0.60 | E | -0.79 | 3 | ||
| 03:00 |
|
10.8 | 12.4 | 8.9 | 12.5 | N/A | N/A | 0.30 | S | 3.30 | 0.50 | NE | -0.32 | 3 | ||
| 04:00 |
|
10.7 | 12.4 | 8.7 | 12.2 | N/A | N/A | 0.28 | S | 3.25 | 0.40 | E | 0.06 | 3 | ||
| 05:00 |
|
10.7 | 12.4 | 8.5 | 11.9 | N/A | N/A | 0.26 | S | 3.25 | 0.40 | E | 0.32 | 3 | ||
| 06:00 |
|
11.4 | 12.4 | 7.6 | 10.6 | N/A | N/A | 0.24 | S | 3.20 | 0.30 | NE | 0.49 | 2 | ||
| 07:00 |
|
12.8 | 12.5 | 7.2 | 10.1 | N/A | N/A | 0.24 | S | 3.20 | 0.20 | NE | 0.53 | 2 | ||
| 08:00 |
|
14.1 | 12.6 | 7.4 | 10.4 | N/A | N/A | 0.22 | S | 3.15 | N/A | E | 0.37 | 2 | ||
| 09:00 |
|
15.4 | 12.8 | 7.6 | 10.6 | N/A | N/A | 0.22 | S | 3.15 | 0.20 | SW | -0.02 | 2 | ||
| 10:00 |
|
16.5 | 12.9 | 7.8 | 10.9 | N/A | N/A | 0.20 | S | 3.15 | 0.30 | SW | -0.61 | 2 | ||
| 11:00 |
|
17.6 | 13.1 | 7.8 | 10.9 | N/A | N/A | 0.20 | S | 3.10 | 0.30 | SW | -1.24 | 2 | ||
| 12:00 |
|
18.5 | 13.3 | 7.2 | 10.1 | N/A | N/A | 0.18 | S | 3.10 | 0.30 | SE | -1.69 | 2 | ||
| 13:00 |
|
19.0 | 13.4 | 7.4 | 10.4 | N/A | N/A | 0.16 | S | 3.10 | 0.40 | E | -1.79 | 2 | ||
| 14:00 |
|
19.3 | 13.6 | 7.2 | 10.1 | N/A | N/A | 0.16 | S | 3.10 | 0.60 | E | -1.52 | 2 | ||
| 15:00 |
|
19.3 | 13.9 | 7.2 | 10.1 | N/A | N/A | 0.14 | S | 3.10 | 0.60 | E | -1.07 | 2 | ||
| 16:00 |
|
19.5 | 14.0 | 6.9 | 9.7 | N/A | N/A | 0.12 | S | 3.10 | 0.40 | E | -0.61 | 2 | ||
| 17:00 |
|
19.0 | 14.1 | 7.6 | 10.6 | N/A | N/A | 0.12 | S | 3.10 | 0.50 | E | -0.24 | 2 | ||
| 18:00 |
|
18.2 | 14.2 | 6.5 | 9.1 | N/A | N/A | 0.10 | S | 3.10 | 0.40 | E | 0.06 | 2 | ||
| 19:00 |
|
17.9 | 14.1 | 5.4 | 7.6 | N/A | N/A | 0.10 | S | 3.10 | 0.20 | SE | 0.28 | 2 | ||
| 20:00 |
|
17.3 | 14.1 | 6.5 | 9.1 | N/A | N/A | 0.08 | S | 3.10 | 0.20 | SW | 0.35 | 2 | ||
| 21:00 |
|
16.2 | 13.9 | 11.0 | 15.4 | N/A | N/A | 0.08 | S | 3.05 | 0.30 | SW | 0.18 | 3 | ||
| 22:00 |
|
14.6 | 13.8 | 12.1 | 16.9 | N/A | N/A | 0.08 | S | 3.00 | 0.50 | SW | -0.21 | 3 | ||
| 23:00 |
|
13.7 | 13.6 | 11.2 | 15.7 | N/A | N/A | 0.06 | S | 2.95 | 0.50 | W | -0.74 | 3 |
Tuesday, 26 May 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 |
|
12.8 | 13.5 | 10.3 | 14.4 | N/A | N/A | 0.06 | S | 2.90 | 0.20 | W | -1.21 | 3 | ||
| 01:00 |
|
12.0 | 13.4 | 11.6 | 16.2 | N/A | N/A | 0.06 | SW | 2.85 | 0.20 | NE | -1.42 | 3 | ||
| 02:00 |
|
11.6 | 13.4 | 12.5 | 17.5 | N/A | N/A | 0.06 | SW | 2.80 | 0.40 | NE | -1.26 | 3 | ||
| 03:00 |
|
11.4 | 13.2 | 11.9 | 16.7 | N/A | N/A | 0.06 | W | 2.80 | 0.50 | NE | -0.86 | 3 | ||
| 04:00 |
|
11.0 | 13.2 | 12.1 | 16.9 | N/A | N/A | 0.06 | W | 2.85 | 0.50 | E | -0.42 | 3 | ||
| 05:00 |
|
10.7 | 13.2 | 12.1 | 16.9 | N/A | N/A | 0.04 | W | 2.90 | 0.30 | E | -0.05 | 3 | ||
| 06:00 |
|
11.1 | 13.2 | 11.2 | 15.7 | N/A | N/A | 0.04 | SW | 2.95 | 0.20 | E | 0.22 | 3 | ||
| 07:00 |
|
12.1 | 13.3 | 10.3 | 14.4 | N/A | N/A | 0.04 | SW | 3.00 | 0.10 | S | 0.42 | 3 | ||
| 08:00 |
|
13.0 | 13.4 | 8.3 | 11.6 | N/A | N/A | 0.04 | SW | 3.05 | 0.20 | SW | 0.50 | 3 | ||
| 09:00 |
|
14.0 | 13.6 | 8.9 | 12.5 | N/A | N/A | 0.04 | SW | 3.10 | 0.40 | SW | 0.35 | 3 | ||
| 10:00 |
|
15.1 | 13.8 | 9.4 | 13.2 | N/A | N/A | 0.04 | SW | 3.20 | 0.60 | W | -0.06 | 3 | ||
| 11:00 |
|
16.3 | 13.9 | 8.1 | 11.3 | N/A | N/A | 0.04 | SW | 3.25 | 0.70 | W | -0.67 | 3 | ||
| 12:00 |
|
17.3 | 14.1 | 8.1 | 11.3 | N/A | N/A | 0.04 | SW | 3.35 | 0.40 | W | -1.33 | 3 | ||
| 13:00 |
|
17.9 | 14.2 | 8.3 | 11.6 | N/A | N/A | 0.04 | SW | 3.45 | 0.20 | N | -1.77 | 3 | ||
| 14:00 |
|
18.2 | 14.4 | 9.8 | 13.7 | N/A | N/A | 0.02 | SW | 3.60 | 0.60 | NE | -1.83 | 3 | ||
| 15:00 |
|
18.8 | 14.6 | 11.0 | 15.4 | N/A | N/A | 0.02 | W | 3.55 | 0.90 | NE | -1.53 | 3 | ||
| 16:00 |
|
19.0 | 14.6 | 11.9 | 16.7 | N/A | N/A | 0.02 | W | 3.25 | 1.00 | E | -1.07 | 3 | ||
| 17:00 |
|
18.9 | 14.8 | 12.1 | 16.9 | N/A | N/A | 0.04 | W | 2.80 | 0.70 | E | -0.63 | 3 | ||
| 18:00 |
|
18.5 | 14.8 | 12.1 | 16.9 | N/A | N/A | 0.04 | W | 2.40 | 0.50 | E | -0.27 | 3 | ||
| 19:00 |
|
17.9 | 14.7 | 12.8 | 17.9 | N/A | N/A | 0.06 | NW | 2.20 | 0.40 | SE | 0.04 | 4 | ||
| 20:00 |
|
16.7 | 14.6 | 13.2 | 18.5 | N/A | N/A | 0.08 | NW | 2.10 | 0.40 | S | 0.28 | 4 | ||
| 21:00 |
|
15.4 | 14.4 | 13.6 | 19.0 | N/A | N/A | 0.10 | NW | 2.00 | 0.40 | S | 0.36 | 4 | ||
| 22:00 |
|
14.0 | 14.2 | 12.8 | 17.9 | N/A | N/A | 0.10 | NW | 1.95 | 0.60 | SW | 0.20 | 4 | ||
| 23:00 |
|
13.5 | 14.0 | 12.3 | 17.2 | N/A | N/A | 0.12 | NW | 1.95 | 0.80 | SW | -0.22 | 3 |
Wednesday, 27 May 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 |
|
12.8 | 13.9 | 11.9 | 16.7 | N/A | N/A | 0.12 | NW | 1.95 | 0.80 | SW | -0.77 | 3 | ||
| 01:00 |
|
12.3 | 13.8 | 12.1 | 16.9 | N/A | N/A | 0.12 | NW | 1.95 | 0.60 | W | -1.26 | 3 | ||
| 02:00 |
|
11.4 | 13.6 | 14.1 | 19.7 | N/A | N/A | 0.10 | NW | 1.95 | 0.20 | W | -1.46 | 4 | ||
| 03:00 |
|
10.9 | 13.5 | 13.2 | 18.5 | N/A | N/A | 0.10 | NW | 1.95 | 0.20 | N | -1.28 | 4 | ||
| 04:00 |
|
10.8 | 13.4 | 14.8 | 20.7 | N/A | N/A | 0.12 | N | 2.00 | 0.30 | NE | -0.86 | 4 | ||
| 05:00 |
|
10.4 | 13.4 | 13.9 | 19.5 | N/A | N/A | 0.12 | N | 2.05 | 0.30 | NE | -0.43 | 4 | ||
| 06:00 |
|
10.8 | 13.4 | 12.3 | 17.2 | N/A | N/A | 0.14 | NE | 2.10 | 0.20 | N | -0.08 | 3 | ||
| 07:00 |
|
11.6 | 13.4 | 12.8 | 17.9 | N/A | N/A | 0.14 | NE | 2.20 | 0.20 | NW | 0.19 | 4 | ||
| 13:00 |
|
18.0 | 13.9 | 6.9 | 9.7 | N/A | N/A | 0.10 | NE | 2.35 | 0.60 | W | -1.33 | 2 | ||
| 19:00 |
|
18.8 | 14.8 | 7.6 | 10.6 | N/A | N/A | 0.08 | E | 2.55 | 0.20 | NE | -0.05 | 2 |
Thursday, 28 May 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 |
|
13.7 | 14.2 | 6.0 | 8.4 | N/A | N/A | 0.16 | SE | 2.65 | 0.80 | W | -0.78 | 2 | ||
| 07:00 |
|
12.8 | 14.0 | 5.8 | 8.1 | N/A | N/A | 0.26 | SE | 3.45 | 0.20 | NE | 0.04 | 2 | ||
| 13:00 |
|
18.8 | 14.7 | 7.8 | 10.9 | N/A | N/A | 0.40 | S | 3.80 | 0.70 | W | -0.64 | 2 | ||
| 19:00 |
|
18.6 | 14.8 | 11.6 | 16.2 | N/A | N/A | 0.44 | S | 3.35 | 0.40 | E | -0.11 | 3 |
Friday, 29 May 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 |
|
13.9 | 14.6 | 6.9 | 9.7 | N/A | N/A | 0.40 | S | 3.40 | 0.60 | W | -0.19 | 2 | ||
| 07:00 |
|
12.2 | 14.6 | 14.3 | 20.0 | N/A | N/A | 0.44 | SW | 2.85 | 0.60 | E | -0.18 | 4 | ||
| 13:00 |
|
16.3 | 14.7 | 12.3 | 17.2 | N/A | N/A | 0.42 | SW | 3.20 | 0.30 | SW | -0.08 | 3 | ||
| 19:00 |
|
14.8 | 14.9 | 5.8 | 8.1 | N/A | N/A | 0.18 | S | 3.90 | 0.60 | E | -0.31 | 2 |
Saturday, 30 May 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 |
|
11.3 | 14.6 | 2.9 | 4.1 | N/A | N/A | 0.16 | S | 3.95 | 0.50 | W | 0.14 | 1 | ||
| 07:00 |
|
12.2 | 14.4 | 8.3 | 11.6 | N/A | N/A | 0.34 | S | 2.95 | 0.80 | NE | -0.50 | 3 | ||
| 13:00 |
|
15.0 | 14.1 | 16.3 | 22.8 | N/A | N/A | 0.76 | S | 3.75 | 0.20 | W | 0.36 | 4 | ||
| 19:00 |
|
12.7 | 14.1 | 14.3 | 20.0 | N/A | N/A | 0.80 | S | 4.20 | 0.80 | NE | -0.47 | 4 |


