Coles Bay Oil Terminal marine weather forecast
Coles Bay Oil Terminal is a port in Sint Maarten at 18°1.0′N 63°5.0′W. Today (Sep 15): E wind 12–13 kn, waves 1.3–1.3 m, from the NOAA GFS run 2026-09-15 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 | 18°1.0′N 63°5.0′W |
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| Harbor size | Small |
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| Harbor type | Open roadstead |
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| Shelter | Fair |
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| Anchorage depth | 11 m |
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| Tide range | 1 m |
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| Pilotage | Advisable |
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| Time zone | America/Lower_Princes |
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Facilities & services (NGA World Port Index)| Repairs | None |
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| Medical facilities | Available |
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10-day marine forecast — Coles Bay Oil Terminal
| Date | Wind | Gusts | Waves |
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| E 12–13 kn | 15 kn | 1.3–1.3 m |
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| E 15–16 kn | 18 kn | 1.4–1.7 m |
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| ESE 14–17 kn | 19 kn | 1.5–1.8 m |
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| E 11–13 kn | 14 kn | 1.2–1.5 m |
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| E 8–9 kn | 9 kn | 1.0–1.2 m |
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| ESE 9–9 kn | 10 kn | 0.9–0.9 m |
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| ESE 11–11 kn | 11 kn | 0.7–0.8 m |
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| E 12–12 kn | 14 kn | 0.7–0.7 m |
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| ENE 13–13 kn | 14 kn | 1.0–1.0 m |
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| ESE 12–12 kn | 12 kn | 1.2–1.2 m |
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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 17. The highest modeled significant wave height is 1.8 m on Sep 17. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Coles Bay Oil Terminal right now?
As of the NOAA GFS run 2026-09-15 18z: E wind 12–13 kn, waves 1.3–1.3 m. The 10-day outlook is in the forecast table on this page and updates with each model cycle.
How big is the harbor at Coles Bay Oil Terminal?
Coles Bay Oil Terminal is classed as a small harbor (open roadstead), with fair shelter in the NGA World Port Index.
How deep is the approach to Coles Bay Oil Terminal?
Per the NGA World Port Index, anchorage depths run about 11 m. Verify against current official charts before entry.