Perth marine weather forecast
Perth (GBPER) is a port in United Kingdom at 56°24.0′N 3°26.0′W. Today (Sep 16): S wind 6–7 kn, from the NOAA GFS run 2026-09-16 18z. The live chart on this page shows current conditions and plans weather-optimized departures from this harbor.
Port facts (NGA World Port Index)| Position | 56°24.0′N 3°26.0′W |
|---|
| UN/LOCODE | GBPER |
|---|
| Harbor size | Small |
|---|
| Harbor type | River basin harbor |
|---|
| Shelter | Excellent |
|---|
| Tide range | 3 m |
|---|
| Pilotage | Advisable |
|---|
| Time zone | Europe/London |
|---|
Facilities & services (NGA World Port Index)| Tugs | Assistance available |
|---|
| Supplies | Fuel oil, diesel, water |
|---|
| Repairs | Limited |
|---|
| Medical facilities | Available |
|---|
10-day marine forecast — Perth
| Date | Wind | Gusts | Waves |
|---|
| S 6–7 kn | 14 kn | — |
|---|
| SW 6–15 kn | 32 kn | — |
|---|
| SW 6–13 kn | 31 kn | — |
|---|
| WSW 14–17 kn | 32 kn | — |
|---|
| W 6–14 kn | 30 kn | — |
|---|
| WSW 5–5 kn | 9 kn | — |
|---|
| WSW 2–2 kn | 2 kn | — |
|---|
| E 3–3 kn | 2 kn | — |
|---|
| S 5–5 kn | 5 kn | — |
|---|
| S 5–5 kn | 5 kn | — |
|---|
Forecast from the NOAA GFS model run , waves from ECMWF WAM. Updated with each model cycle; the live chart below recalculates for your departure time and vessel.
What to watch in the forecast
Across the loaded 10-day outlook, the strongest daily modeled wind reaches 17 kn on Sep 19. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Perth right now?
As of the NOAA GFS run 2026-09-16 18z: S wind 6–7 kn. The 10-day outlook is in the forecast table on this page and updates with each model cycle.
How big is the harbor at Perth?
Perth is classed as a small harbor (river basin harbor), with excellent shelter in the NGA World Port Index.
What restricts entry to Perth?
Entry is affected by tidal windows, overhead clearance limits. Check the live forecast on this page and official notices before approach.