Cebu to Subic Bay — sea route & marine weather
The sea route from Cebu (PHCEB) to Subic Bay (PHSFS) is about 425 nm — about 42 hours at 10 kn. Along the route today (Aug 3): SW wind 7–17 kn, waves 0.3–1.3 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 425 nm |
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| Passage time at 10 kn | about 42 hours |
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| Great-circle distance | 343 nm |
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| Cebu | 10°18.0′N 123°54.0′E |
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| Subic Bay | 14°48.0′N 120°16.0′E |
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| Reference vessel | 4.5 m draft, 10 kn cruise |
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10-day marine forecast — along the route
| Date | Wind | Gusts | Waves |
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| SW 7–17 kn | 24 kn | 0.3–1.3 m |
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| SSW 7–23 kn | 31 kn | 0.4–2.1 m |
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| SSW 11–23 kn | 35 kn | 0.6–2.5 m |
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| SW 9–21 kn | 31 kn | 0.5–2.3 m |
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| SW 9–22 kn | 32 kn | 0.6–3.1 m |
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| SSW 11–32 kn | 40 kn | 0.8–4.2 m |
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| SSW 9–26 kn | 33 kn | 0.7–4.1 m |
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| SSW 11–23 kn | 34 kn | 0.6–3.3 m |
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| SW 7–21 kn | 35 kn | 0.6–3.2 m |
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| SSW 5–19 kn | 31 kn | 0.4–2.8 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 far is it from Cebu to Subic Bay by sea?
The water route is 425 nm (787 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Subic Bay to Cebu.
How long does the passage from Cebu to Subic Bay take?
about 42 hours at a 10 kn cruise. Scale by your own speed: at half the speed it takes about twice as long. The planner on this page recalculates for your vessel and live weather.
What is the weather between Cebu and Subic Bay today?
Along the route today, per the ECMWF IFS run 2026-08-03 12z: SW wind 7–17 kn, waves 0.3–1.3 m. The day-by-day table on this page covers the next 10 days.