Coles Bay Oil Terminal — marine weather & port guide
Coles Bay Oil Terminal is a port in Sint Maarten at 18°1.0′N 63°5.0′W. Today (Aug 3): E wind 10–14 kn, waves 1.2–1.4 m, from the ECMWF IFS run 2026-08-03 12z. 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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10-day marine forecast — Coles Bay Oil Terminal
| Date | Wind | Gusts | Waves |
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| E 10–14 kn | 18 kn | 1.2–1.4 m |
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| E 9–13 kn | 18 kn | 1.2–1.3 m |
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| ESE 10–13 kn | 17 kn | 1.1–1.2 m |
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| E 11–16 kn | 21 kn | 1.3–1.4 m |
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| E 12–15 kn | 19 kn | 1.3–1.5 m |
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| E 15–16 kn | 20 kn | 1.4–1.5 m |
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| ENE 16–18 kn | 22 kn | 1.6–1.8 m |
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| ENE 17–17 kn | 23 kn | 1.7–1.7 m |
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| ENE 15–15 kn | 20 kn | 1.4–1.4 m |
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| ESE 14–14 kn | 19 kn | 1.2–1.2 m |
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Forecast from the ECMWF IFS model run , waves from ECMWF WAM. Updated with each model cycle; the live chart below recalculates for your departure time and vessel.
Frequently asked
How is the weather at Coles Bay Oil Terminal right now?
As of the ECMWF IFS run 2026-08-03 12z: E wind 10–14 kn, waves 1.2–1.4 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.