Tawas City (USTWY) — marine weather & port guide
Tawas City is a port in United States at 44°16.0′N 83°30.0′W. Today (Aug 3): NNW wind 3–5 kn, waves 0.1–0.3 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 | 44°16.0′N 83°30.0′W |
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| UN/LOCODE | USTWY |
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| Harbor size | Very small |
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| Harbor type | Coastal natural harbor |
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| Shelter | Poor |
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| Anchorage depth | 6 m |
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| Tide range | 0 m |
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| Pilotage | Compulsory |
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| Time zone | America/Detroit |
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10-day marine forecast — Tawas City
| Date | Wind | Gusts | Waves |
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| NNW 3–5 kn | 11 kn | 0.1–0.3 m |
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| SSW 3–6 kn | 14 kn | 0.2–0.4 m |
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| SSW 2–6 kn | 14 kn | 0.4–0.7 m |
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| WSW 1–8 kn | 15 kn | 0.1–0.3 m |
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| ESE 3–5 kn | 12 kn | 0.1–0.3 m |
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| SSW 2–5 kn | 7 kn | 0.2–0.4 m |
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| SSW 0–6 kn | 7 kn | 0.3–0.4 m |
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| WSW 12–12 kn | 34 kn | 1.1–1.1 m |
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| WNW 1–1 kn | 9 kn | 0.3–0.3 m |
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| ESE 3–3 kn | 6 kn | 0.2–0.2 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 Tawas City right now?
As of the ECMWF IFS run 2026-08-03 12z: NNW wind 3–5 kn, waves 0.1–0.3 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 Tawas City?
Tawas City is classed as a very small harbor (coastal natural harbor), with poor shelter in the NGA World Port Index.
How deep is the approach to Tawas City?
Per the NGA World Port Index, anchorage depths run about 6 m. Verify against current official charts before entry.
What restricts entry to Tawas City?
Entry is affected by ice, overhead clearance limits. Check the live forecast on this page and official notices before approach.