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) |
|---|---|
| Oct 17 20:00 | 0.04 |
| Oct 17 22:00 | 0.04 |
| Oct 18 00:00 | 0.04 |
| Oct 18 02:00 | 0.04 |
| Oct 18 04:00 | 0.04 |
| Oct 18 06:00 | 0.04 |
| Oct 18 08:00 | 0.06 |
| Oct 18 10:00 | 0.06 |
| Oct 18 12:00 | 0.06 |
| Oct 18 14:00 | 0.04 |
| Oct 18 16:00 | 0.04 |
| Oct 18 18:00 | 0.04 |
| Oct 18 20:00 | 0.02 |
| Oct 18 22:00 | 0.02 |
| Oct 19 00:00 | 0.02 |
| Oct 19 02:00 | 0.02 |
| Oct 19 04:00 | 0.02 |
| Oct 19 06:00 | 0.04 |
| Oct 19 08:00 | 0.10 |
| Oct 19 10:00 | 0.16 |
| Oct 19 12:00 | 0.20 |
| Oct 19 14:00 | 0.22 |
| Oct 19 16:00 | 0.24 |
| Oct 19 18:00 | 0.24 |
| Oct 19 20:00 | 0.30 |
| Oct 19 22:00 | 0.36 |
| Oct 20 00:00 | 0.46 |
| Oct 20 02:00 | 0.50 |
| Oct 20 04:00 | 0.56 |
| Oct 20 06:00 | 0.62 |
| Oct 20 08:00 | 0.68 |
| Oct 20 10:00 | 0.72 |
| Oct 20 12:00 | 0.74 |
| Oct 20 19:00 | 0.60 |
| Oct 21 07:00 | 0.46 |
| Oct 21 19:00 | 0.20 |
| Oct 22 07:00 | 0.62 |
| Oct 22 19:00 | 0.44 |
| Oct 23 07:00 | 1.04 |
| Oct 23 19:00 | 0.60 |
Saturday, 17 October 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20:00 |
|
7.5 | 13.6 | 6.9 | 9.7 | N/A | N/A | 0.04 | S | 4.45 | 0.30 | SW | -0.96 | 2 | ||
| 21:00 |
|
7.3 | 13.6 | 7.4 | 10.4 | N/A | N/A | 0.04 | S | 4.05 | 0.30 | SW | -1.13 | 2 | ||
| 22:00 |
|
7.0 | 13.6 | 8.1 | 11.3 | N/A | N/A | 0.04 | S | 3.65 | 0.10 | W | -1.25 | 3 | ||
| 23:00 |
|
6.6 | 13.6 | 7.6 | 10.6 | N/A | N/A | 0.04 | S | 3.20 | N/A | E | -1.24 | 2 |
Sunday, 18 October 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 |
|
6.4 | 13.6 | 5.8 | 8.1 | N/A | N/A | 0.04 | S | 2.85 | 0.30 | NE | -1.02 | 2 | ||
| 01:00 |
|
6.2 | 13.6 | 5.1 | 7.1 | N/A | N/A | 0.04 | S | 2.70 | 0.30 | NE | -0.63 | 2 | ||
| 02:00 |
|
6.0 | 13.6 | 5.6 | 7.8 | N/A | N/A | 0.04 | S | 2.65 | 0.30 | NE | -0.22 | 2 | ||
| 03:00 |
|
5.9 | 13.6 | 5.6 | 7.8 | N/A | N/A | 0.04 | S | 2.55 | 0.10 | E | 0.06 | 2 | ||
| 04:00 |
|
5.9 | 13.6 | 7.2 | 10.1 | N/A | N/A | 0.04 | S | 2.40 | 0.10 | W | 0.13 | 2 | ||
| 05:00 |
|
5.9 | 13.6 | 8.7 | 12.2 | N/A | N/A | 0.04 | S | 2.20 | 0.30 | SW | -0.03 | 3 | ||
| 06:00 |
|
6.0 | 13.6 | 9.2 | 12.9 | N/A | N/A | 0.04 | S | 2.10 | 0.40 | W | -0.31 | 3 | ||
| 07:00 |
|
6.3 | 13.6 | 8.5 | 11.9 | N/A | N/A | 0.04 | S | 2.10 | 0.30 | SW | -0.60 | 3 | ||
| 08:00 |
|
6.5 | 13.6 | 7.6 | 10.6 | N/A | N/A | 0.06 | S | 2.10 | 0.30 | SW | -0.81 | 2 | ||
| 09:00 |
|
7.5 | 13.6 | 6.9 | 9.7 | N/A | N/A | 0.06 | S | 2.15 | 0.20 | SW | -0.94 | 2 | ||
| 10:00 |
|
8.9 | 13.6 | 6.7 | 9.4 | N/A | N/A | 0.06 | S | 2.20 | 0.20 | SW | -1.03 | 2 | ||
| 11:00 |
|
9.7 | 13.6 | 6.9 | 9.7 | N/A | N/A | 0.06 | S | 2.20 | N/A | E | -1.03 | 2 | ||
| 12:00 |
|
10.2 | 13.6 | 5.6 | 7.8 | N/A | N/A | 0.06 | S | 2.25 | 0.20 | NE | -0.84 | 2 | ||
| 13:00 |
|
10.7 | 13.6 | 6.5 | 9.1 | N/A | N/A | 0.06 | S | 2.25 | 0.30 | NE | -0.48 | 2 | ||
| 14:00 |
|
10.8 | 13.6 | 5.6 | 7.8 | N/A | N/A | 0.04 | S | 2.30 | 0.20 | NE | -0.05 | 2 | ||
| 15:00 |
|
10.7 | 13.6 | 4.7 | 6.6 | N/A | N/A | 0.04 | S | 2.30 | N/A | E | 0.26 | 2 | ||
| 16:00 |
|
10.5 | 13.6 | 5.1 | 7.1 | N/A | N/A | 0.04 | S | 2.35 | 0.20 | SW | 0.37 | 2 | ||
| 17:00 |
|
9.9 | 13.6 | 4.3 | 6.0 | N/A | N/A | 0.04 | S | 2.35 | 0.40 | W | 0.26 | 1 | ||
| 18:00 |
|
8.6 | 13.6 | 3.1 | 4.3 | N/A | N/A | 0.04 | S | 2.40 | 0.40 | W | -0.01 | 1 | ||
| 19:00 |
|
7.8 | 13.6 | 4.3 | 6.0 | N/A | N/A | 0.04 | S | 2.45 | 0.40 | W | -0.35 | 1 | ||
| 20:00 |
|
7.5 | 13.6 | 5.6 | 7.8 | N/A | N/A | 0.02 | S | 2.55 | 0.30 | SW | -0.67 | 2 | ||
| 21:00 |
|
7.5 | 13.6 | 7.4 | 10.4 | N/A | N/A | 0.02 | S | 2.60 | 0.30 | SW | -0.92 | 2 | ||
| 22:00 |
|
7.4 | 13.5 | 5.4 | 7.6 | N/A | N/A | 0.02 | S | 2.70 | 0.30 | SW | -1.14 | 2 | ||
| 23:00 |
|
6.8 | 13.5 | 5.4 | 7.6 | N/A | N/A | 0.02 | S | 2.75 | 0.20 | SW | -1.30 | 2 |
Monday, 19 October 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 |
|
6.2 | 13.5 | 5.6 | 7.8 | N/A | N/A | 0.02 | S | 2.80 | 0.10 | E | -1.29 | 2 | ||
| 01:00 |
|
5.8 | 13.5 | 7.4 | 10.4 | N/A | N/A | 0.02 | SE | 2.75 | 0.30 | NE | -1.05 | 2 | ||
| 02:00 |
|
5.9 | 13.5 | 5.6 | 7.8 | N/A | N/A | 0.02 | E | 2.65 | 0.30 | NE | -0.65 | 2 | ||
| 03:00 |
|
5.8 | 13.5 | 4.5 | 6.3 | N/A | N/A | 0.02 | NE | 2.50 | 0.30 | NE | -0.25 | 1 | ||
| 04:00 |
|
5.8 | 13.5 | 5.8 | 8.1 | N/A | N/A | 0.02 | NE | 2.35 | N/A | E | -0.01 | 2 | ||
| 05:00 |
|
5.5 | 13.5 | 8.3 | 11.6 | N/A | N/A | 0.04 | NE | 2.20 | 0.30 | SW | 0.02 | 3 | ||
| 06:00 |
|
5.2 | 13.5 | 10.7 | 15.0 | N/A | N/A | 0.04 | NE | 2.05 | 0.40 | SW | -0.12 | 3 | ||
| 07:00 |
|
5.1 | 13.5 | 12.1 | 16.9 | N/A | N/A | 0.08 | E | 1.95 | 0.40 | SW | -0.34 | 3 | ||
| 08:00 |
|
4.9 | 13.5 | 13.2 | 18.5 | N/A | N/A | 0.10 | E | 1.90 | 0.40 | SW | -0.55 | 4 | ||
| 09:00 |
|
5.7 | 13.5 | 13.9 | 19.5 | N/A | N/A | 0.14 | E | 1.90 | 0.50 | SW | -0.71 | 4 | ||
| 10:00 |
|
6.6 | 13.5 | 14.8 | 20.7 | N/A | N/A | 0.16 | E | 1.95 | 0.50 | SW | -0.87 | 4 | ||
| 11:00 |
|
7.3 | 13.5 | 15.2 | 21.3 | N/A | N/A | 0.18 | E | 2.00 | 0.40 | SW | -1.00 | 4 | ||
| 12:00 |
|
8.4 | 13.5 | 16.6 | 23.2 | N/A | N/A | 0.20 | E | 2.10 | 0.30 | SW | -1.03 | 4 | ||
| 13:00 |
|
9.7 | 13.5 | 17.4 | 24.4 | N/A | N/A | 0.22 | E | 2.20 | 0.20 | SW | -0.86 | 4 | ||
| 14:00 |
|
10.5 | 13.5 | 17.2 | 24.1 | N/A | N/A | 0.22 | NE | 2.25 | N/A | E | -0.50 | 4 | ||
| 15:00 |
|
10.8 | 13.5 | 15.0 | 21.0 | N/A | N/A | 0.24 | NE | 2.35 | N/A | E | -0.09 | 4 | ||
| 16:00 |
|
11.1 | 13.5 | 14.1 | 19.7 | N/A | N/A | 0.24 | E | 2.40 | 0.10 | W | 0.21 | 4 | ||
| 17:00 |
|
11.3 | 13.5 | 13.9 | 19.5 | N/A | N/A | 0.24 | E | 2.45 | 0.30 | W | 0.31 | 4 | ||
| 18:00 |
|
10.9 | 13.5 | 13.2 | 18.5 | N/A | N/A | 0.24 | E | 2.50 | 0.30 | W | 0.23 | 4 | ||
| 19:00 |
|
10.7 | 13.5 | 11.9 | 16.7 | N/A | N/A | 0.26 | E | 2.55 | 0.40 | W | 0.01 | 3 | ||
| 20:00 |
|
10.7 | 13.5 | 11.6 | 16.2 | N/A | N/A | 0.30 | SE | 2.65 | 0.40 | W | -0.26 | 3 | ||
| 21:00 |
|
11.4 | 13.5 | 15.2 | 21.3 | N/A | N/A | 0.32 | SE | 2.75 | 0.50 | W | -0.53 | 4 | ||
| 22:00 |
|
11.6 | 13.5 | 15.7 | 22.0 | N/A | N/A | 0.36 | S | 2.95 | 0.50 | W | -0.77 | 4 | ||
| 23:00 |
|
11.4 | 13.5 | 15.4 | 21.6 | N/A | N/A | 0.42 | S | 3.20 | 0.40 | W | -1.00 | 4 |
Tuesday, 20 October 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 |
|
11.2 | 13.5 | 15.0 | 21.0 | N/A | N/A | 0.46 | S | 3.40 | 0.30 | NW | -1.14 | 4 | ||
| 01:00 |
|
11.1 | 13.5 | 13.9 | 19.5 | N/A | N/A | 0.48 | S | 3.55 | 0.20 | N | -1.09 | 4 | ||
| 02:00 |
|
10.9 | 13.5 | 14.8 | 20.7 | N/A | N/A | 0.50 | S | 3.60 | 0.40 | N | -0.82 | 4 | ||
| 03:00 |
|
10.7 | 13.5 | 16.3 | 22.8 | N/A | N/A | 0.52 | S | 3.70 | 0.40 | N | -0.43 | 4 | ||
| 04:00 |
|
10.6 | 13.5 | 16.8 | 23.5 | N/A | N/A | 0.56 | S | 3.80 | 0.20 | N | -0.07 | 4 | ||
| 05:00 |
|
10.4 | 13.5 | 15.7 | 22.0 | N/A | N/A | 0.58 | S | 3.85 | 0.20 | NW | 0.15 | 4 | ||
| 06:00 |
|
10.3 | 13.5 | 14.3 | 20.0 | N/A | N/A | 0.62 | S | 3.95 | 0.30 | NW | 0.20 | 4 | ||
| 07:00 |
|
10.5 | 13.5 | 15.4 | 21.6 | N/A | N/A | 0.64 | S | 4.05 | 0.40 | W | 0.12 | 4 | ||
| 08:00 |
|
10.6 | 13.5 | 15.7 | 22.0 | N/A | N/A | 0.68 | S | 4.10 | 0.40 | W | -0.05 | 4 | ||
| 09:00 |
|
10.8 | 13.5 | 16.8 | 23.5 | N/A | N/A | 0.70 | S | 4.20 | 0.40 | W | -0.25 | 4 | ||
| 10:00 |
|
11.0 | 13.5 | 15.7 | 22.0 | N/A | N/A | 0.72 | S | 4.25 | 0.40 | W | -0.44 | 4 | ||
| 11:00 |
|
11.0 | 13.5 | 14.3 | 20.0 | N/A | N/A | 0.72 | S | 4.30 | 0.40 | W | -0.64 | 4 | ||
| 12:00 |
|
11.1 | 13.5 | 14.1 | 19.7 | N/A | N/A | 0.74 | S | 4.35 | 0.30 | NW | -0.81 | 4 | ||
| 13:00 |
|
11.4 | 13.5 | 14.1 | 19.7 | N/A | N/A | 0.72 | S | 4.35 | 0.30 | NW | -0.83 | 4 | ||
| 19:00 |
|
11.1 | 13.5 | 11.2 | 15.7 | N/A | N/A | 0.60 | S | 3.90 | 0.30 | NW | 0.55 | 3 |
Wednesday, 21 October 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 |
|
10.4 | 13.5 | 8.9 | 12.5 | N/A | N/A | 0.62 | S | 4.05 | 0.10 | N | -0.95 | 3 | ||
| 07:00 |
|
7.9 | 13.4 | 16.1 | 22.5 | N/A | N/A | 0.46 | W | 3.40 | 0.30 | SE | 0.25 | 4 | ||
| 13:00 |
|
8.6 | 13.4 | 9.6 | 13.4 | N/A | N/A | 0.28 | W | 3.15 | 0.20 | S | -1.16 | 3 | ||
| 19:00 |
|
7.6 | 13.4 | 5.8 | 8.1 | N/A | N/A | 0.20 | SW | 3.00 | 0.10 | S | 0.35 | 2 |
Thursday, 22 October 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 |
|
7.6 | 13.4 | 10.7 | 15.0 | N/A | N/A | 0.44 | S | 3.20 | 0.20 | NW | -1.19 | 3 | ||
| 07:00 |
|
7.5 | 13.4 | 10.5 | 14.7 | N/A | N/A | 0.62 | S | 4.00 | 0.30 | NE | 0.22 | 3 | ||
| 13:00 |
|
10.1 | 13.4 | 12.5 | 17.5 | N/A | N/A | 0.64 | S | 4.20 | 0.20 | W | -0.77 | 3 | ||
| 19:00 |
|
9.2 | 13.4 | 7.2 | 10.1 | N/A | N/A | 0.44 | S | 4.10 | 0.20 | NE | 0.44 | 2 |
Friday, 23 October 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 |
|
6.9 | 13.3 | 20.6 | 28.8 | N/A | N/A | 0.58 | NE | 2.95 | 0.70 | SW | -0.82 | 5 | ||
| 07:00 |
|
5.6 | 13.3 | 27.7 | 38.8 | N/A | N/A | 1.04 | N | 4.05 | 0.60 | E | 0.57 | 6 | ||
| 13:00 |
|
8.3 | 13.3 | 21.7 | 30.4 | N/A | N/A | 0.90 | NW | 4.10 | 0.30 | S | 0.16 | 5 | ||
| 19:00 |
|
8.3 | 13.3 | 13.9 | 19.5 | N/A | N/A | 0.60 | W | 4.00 | 0.70 | E | 0.79 | 4 |


