Midway Island — marine weather & port guide
Midway Island is a port in QM at 28°11.0′N 177°22.0′W. Today (Aug 3): E wind 18–18 kn, waves 2.0–2.0 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 | 28°11.0′N 177°22.0′W |
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| Harbor size | Very small |
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| Harbor type | Coastal breakwater harbor |
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| Shelter | Good |
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| Channel depth | 11 m |
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| Anchorage depth | 23 m |
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| Tide range | 1 m |
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| Pilotage | Compulsory |
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| Time zone | Pacific/Midway |
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10-day marine forecast — Midway Island
| Date | Wind | Gusts | Waves |
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| E 18–18 kn | 24 kn | 2.0–2.0 m |
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| E 11–18 kn | 23 kn | 1.8–2.0 m |
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| ENE 8–13 kn | 17 kn | 1.7–1.8 m |
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| ESE 8–11 kn | 15 kn | 1.7–1.8 m |
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| ESE 11–14 kn | 18 kn | 1.7–1.8 m |
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| ESE 14–16 kn | 20 kn | 1.9–1.9 m |
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| ESE 15–16 kn | 19 kn | 1.8–1.8 m |
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| ESE 11–11 kn | 19 kn | 1.6–1.6 m |
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| SE 17–17 kn | 21 kn | 1.6–1.6 m |
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| ESE 22–22 kn | 29 kn | 2.6–2.6 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 Midway Island right now?
As of the ECMWF IFS run 2026-08-03 12z: E wind 18–18 kn, waves 2.0–2.0 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 Midway Island?
Midway Island is classed as a very small harbor (coastal breakwater harbor), with good shelter in the NGA World Port Index.
How deep is the approach to Midway Island?
Per the NGA World Port Index, the entrance channel carries about 11 m and anchorage depths run about 23 m. Verify against current official charts before entry.
What restricts entry to Midway Island?
Entry is affected by heavy swell. Check the live forecast on this page and official notices before approach.