# Fernando de Noronha snorkeling forecast

Fernando de Noronha looks marginal today. The least-bad daylight window is around Sat 18:00, but waves is limiting the forecast.

- Location: Fernando de Noronha, Brazil
- Timezone: America/Noronha
- Valid period: next 72 hours from 2026-10-17T08:26:22.480327-02:00
- Verdict: Marginal
- Score: 3.4/10
- Share of next 72h scored OK: 0%
- Source: snapshot
- Generated at: 2026-10-17T05:15:46.105198-02:00
- Conditions can change. HTML page: https://snorkelforecast.com/brazil/fernando-de-noronha/
- Forecast JSON: https://snorkelforecast.com/brazil/fernando-de-noronha/forecast.json
- Sea temperature: https://snorkelforecast.com/brazil/fernando-de-noronha/sea-temperature/
- Sea temperature markdown: https://snorkelforecast.com/brazil/fernando-de-noronha/sea-temperature.md
- History JSON: https://snorkelforecast.com/brazil/fernando-de-noronha/history.json
- Embed widget: https://snorkelforecast.com/brazil/fernando-de-noronha/embed/sea-temperature/
- Current sea temperature: 26.8 °C (80.2 °F)
- Baseline normal for month 10: 27.1 °C (80.8 °F) from 3 sample years
- Sea temperature versus month 10 normal: -0.3 °C (-0.5 °F), cooler 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 |
| --- | --- | --- | --- | --- | --- | --- |
| 2026-10-17T09:00:00-02:00 | poor | 0.3301481481481482 | no | 1.66 | 8.18 | 26.8 |
| 2026-10-17T10:00:00-02:00 | poor | 0.3077925925925926 | no | 1.66 | 8.42 | 26.8 |
| 2026-10-17T11:00:00-02:00 | poor | 0.27015370370370373 | no | 1.66 | 8.75 | 26.8 |
| 2026-10-17T12:00:00-02:00 | poor | 0.28318333333333334 | no | 1.66 | 8.55 | 26.8 |
| 2026-10-17T13:00:00-02:00 | poor | 0.3059407407407408 | no | 1.66 | 8.5 | 26.9 |
| 2026-10-17T14:00:00-02:00 | poor | 0.3380425925925926 | no | 1.64 | 8.15 | 26.9 |
| 2026-10-17T15:00:00-02:00 | poor | 0.33538703703703704 | no | 1.64 | 7.85 | 26.9 |
| 2026-10-17T16:00:00-02:00 | poor | 0.28568148148148154 | no | 1.62 | 7.82 | 26.9 |
| 2026-10-17T17:00:00-02:00 | poor | 0.31049814814814813 | no | 1.62 | 7.37 | 26.9 |
| 2026-10-17T18:00:00-02:00 | poor | 0.33965740740740735 | no | 1.62 | 7.51 | 26.9 |
| 2026-10-17T19:00:00-02:00 | poor | 0.0 | no | 1.62 | 7.71 | 26.9 |
| 2026-10-17T20:00:00-02:00 | poor | 0.0 | no | 1.62 | 7.67 | 26.8 |
| 2026-10-17T21:00:00-02:00 | poor | 0.0 | no | 1.62 | 7.77 | 26.8 |
| 2026-10-17T22:00:00-02:00 | poor | 0.0 | no | 1.62 | 7.88 | 26.8 |
| 2026-10-17T23:00:00-02:00 | poor | 0.0 | no | 1.62 | 8.12 | 26.8 |
| 2026-10-18T00:00:00-02:00 | poor | 0.0 | no | 1.6 | 8.11 | 26.7 |
| 2026-10-18T01:00:00-02:00 | poor | 0.0 | no | 1.6 | 7.34 | 26.7 |
| 2026-10-18T02:00:00-02:00 | poor | 0.0 | no | 1.58 | 6.59 | 26.7 |
| 2026-10-18T03:00:00-02:00 | poor | 0.0 | no | 1.58 | 5.79 | 26.7 |
| 2026-10-18T04:00:00-02:00 | poor | 0.0 | no | 1.56 | 6.63 | 26.7 |
| 2026-10-18T05:00:00-02:00 | poor | 0.0 | no | 1.56 | 6.57 | 26.7 |
| 2026-10-18T06:00:00-02:00 | fair | 0.35000740740740743 | no | 1.54 | 6.7 | 26.7 |
| 2026-10-18T07:00:00-02:00 | poor | 0.33267777777777774 | no | 1.54 | 6.36 | 26.8 |
| 2026-10-18T08:00:00-02:00 | poor | 0.292662962962963 | no | 1.54 | 7.0 | 26.8 |

## Nearby spots

- [Arraial do Cabo](https://snorkelforecast.com/brazil/arraial-do-cabo/index.md)