# Kefalonia snorkeling forecast

Kefalonia has a usable snorkeling window around Sat 08:00. The main thing to watch is darkness.

- Location: Kefalonia, Greece
- Timezone: Europe/Athens
- Valid period: next 72 hours from 2026-10-17T05:34:54.074884+03:00
- Verdict: Go in the best window
- Score: 7.6/10
- Share of next 72h scored OK: 48%
- Source: snapshot
- Generated at: 2026-10-17T03:29:41.539521+03:00
- Conditions can change. HTML page: https://snorkelforecast.com/greece/kefalonia/
- Forecast JSON: https://snorkelforecast.com/greece/kefalonia/forecast.json
- Sea temperature: https://snorkelforecast.com/greece/kefalonia/sea-temperature/
- Sea temperature markdown: https://snorkelforecast.com/greece/kefalonia/sea-temperature.md
- History JSON: https://snorkelforecast.com/greece/kefalonia/history.json
- Embed widget: https://snorkelforecast.com/greece/kefalonia/embed/sea-temperature/
- Current sea temperature: 23.6 °C (74.5 °F)
- Baseline normal for month 10: 23.3 °C (73.9 °F) from 3 sample years
- Sea temperature versus month 10 normal: +0.3 °C (+0.5 °F), warmer than the stored baseline
- Scoring thresholds: waves <= 0.36 m, wind <= 5.4 m/s, current <= 0.36 m/s, water 20.6-30.4 °C. Forecast thresholds, not official safety limits.

## Next 24 hours

| time | rating | score | ok | waves_m | wind_mps | sst_c |
| --- | --- | --- | --- | --- | --- | --- |
| 2026-10-17T06:00:00+03:00 | poor | 0.0 | no | 0.56 | 2.46 | 23.6 |
| 2026-10-17T07:00:00+03:00 | poor | 0.0 | no | 0.52 | 2.56 | 23.6 |
| 2026-10-17T08:00:00+03:00 | good | 0.6564814814814814 | yes | 0.48 | 2.33 | 23.6 |
| 2026-10-17T09:00:00+03:00 | good | 0.6821759259259259 | yes | 0.44 | 2.06 | 23.6 |
| 2026-10-17T10:00:00+03:00 | good | 0.6969907407407407 | yes | 0.42 | 1.84 | 23.6 |
| 2026-10-17T11:00:00+03:00 | excellent | 0.7206018518518519 | yes | 0.38 | 1.66 | 23.7 |
| 2026-10-17T12:00:00+03:00 | excellent | 0.7511574074074073 | yes | 0.36 | 0.76 | 23.7 |
| 2026-10-17T13:00:00+03:00 | excellent | 0.7486666666666666 | yes | 0.34 | 0.51 | 23.7 |
| 2026-10-17T14:00:00+03:00 | good | 0.7133240740740739 | yes | 0.3 | 1.84 | 23.7 |
| 2026-10-17T15:00:00+03:00 | good | 0.668448148148148 | yes | 0.28 | 3.11 | 23.7 |
| 2026-10-17T16:00:00+03:00 | good | 0.6818074074074073 | yes | 0.26 | 2.59 | 23.7 |
| 2026-10-17T17:00:00+03:00 | good | 0.681411111111111 | yes | 0.26 | 2.16 | 23.7 |
| 2026-10-17T18:00:00+03:00 | excellent | 0.7640259259259259 | yes | 0.24 | 1.94 | 23.7 |
| 2026-10-17T19:00:00+03:00 | poor | 0.0 | no | 0.24 | 1.36 | 23.7 |
| 2026-10-17T20:00:00+03:00 | poor | 0.0 | no | 0.22 | 1.4 | 23.7 |
| 2026-10-17T21:00:00+03:00 | poor | 0.0 | no | 0.22 | 1.34 | 23.7 |
| 2026-10-17T22:00:00+03:00 | poor | 0.0 | no | 0.2 | 1.14 | 23.7 |
| 2026-10-17T23:00:00+03:00 | poor | 0.0 | no | 0.2 | 0.78 | 23.7 |
| 2026-10-18T00:00:00+03:00 | poor | 0.0 | no | 0.18 | 0.58 | 23.7 |
| 2026-10-18T01:00:00+03:00 | poor | 0.0 | no | 0.18 | 0.58 | 23.6 |
| 2026-10-18T02:00:00+03:00 | poor | 0.0 | no | 0.16 | 0.64 | 23.6 |
| 2026-10-18T03:00:00+03:00 | poor | 0.0 | no | 0.16 | 0.72 | 23.6 |
| 2026-10-18T04:00:00+03:00 | poor | 0.0 | no | 0.16 | 0.71 | 23.6 |
| 2026-10-18T05:00:00+03:00 | poor | 0.0 | no | 0.14 | 0.81 | 23.6 |

## Nearby spots

- [Crete](https://snorkelforecast.com/greece/crete/index.md)
- [Kos](https://snorkelforecast.com/greece/kos/index.md)
- [Lefkada](https://snorkelforecast.com/greece/lefkada/index.md)
- [Milos](https://snorkelforecast.com/greece/milos/index.md)