# Arraial do Cabo snorkeling forecast Arraial do Cabo looks marginal today. The least-bad daylight window is around Sat 08:00, but waves is limiting the forecast. - Location: Arraial do Cabo, Brazil - Timezone: America/Sao_Paulo - Valid period: next 72 hours from 2026-10-17T07:26:20.611453-03:00 - Verdict: Marginal - Score: 4.7/10 - Share of next 72h scored OK: 0% - Source: snapshot - Generated at: 2026-10-17T04:14:53.937789-03:00 - Conditions can change. HTML page: https://snorkelforecast.com/brazil/arraial-do-cabo/ - Forecast JSON: https://snorkelforecast.com/brazil/arraial-do-cabo/forecast.json - Sea temperature: https://snorkelforecast.com/brazil/arraial-do-cabo/sea-temperature/ - Sea temperature markdown: https://snorkelforecast.com/brazil/arraial-do-cabo/sea-temperature.md - History JSON: https://snorkelforecast.com/brazil/arraial-do-cabo/history.json - Embed widget: https://snorkelforecast.com/brazil/arraial-do-cabo/embed/sea-temperature/ - Current sea temperature: 25.2 °C (77.4 °F) - Baseline normal for month 10: 21.9 °C (71.4 °F) from 3 sample years - Sea temperature versus month 10 normal: +3.3 °C (+5.9 °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 | | --- | --- | --- | --- | --- | --- | --- | | 2026-10-17T08:00:00-03:00 | fair | 0.4659759259259259 | no | 1.46 | 1.58 | 25.2 | | 2026-10-17T09:00:00-03:00 | poor | 0.34015185185185187 | no | 1.46 | 6.4 | 25.2 | | 2026-10-17T10:00:00-03:00 | poor | 0.3435148148148148 | no | 1.5 | 5.84 | 25.2 | | 2026-10-17T11:00:00-03:00 | poor | 0.34152222222222217 | no | 1.54 | 6.6 | 25.2 | | 2026-10-17T12:00:00-03:00 | poor | 0.28137407407407417 | no | 1.58 | 8.68 | 25.2 | | 2026-10-17T13:00:00-03:00 | poor | 0.17829999999999996 | no | 1.62 | 11.23 | 25.2 | | 2026-10-17T14:00:00-03:00 | poor | 0.2191 | no | 1.66 | 11.62 | 25.2 | | 2026-10-17T15:00:00-03:00 | poor | 0.22957222222222223 | no | 1.7 | 9.57 | 25.2 | | 2026-10-17T16:00:00-03:00 | poor | 0.2632703703703704 | no | 1.72 | 8.84 | 25.2 | | 2026-10-17T17:00:00-03:00 | poor | 0.2865037037037037 | no | 1.74 | 7.94 | 25.1 | | 2026-10-17T18:00:00-03:00 | poor | 0.0 | no | 1.76 | 6.85 | 25.1 | | 2026-10-17T19:00:00-03:00 | poor | 0.0 | no | 1.76 | 6.08 | 25.0 | | 2026-10-17T20:00:00-03:00 | poor | 0.0 | no | 1.76 | 6.19 | 24.9 | | 2026-10-17T21:00:00-03:00 | poor | 0.0 | no | 1.76 | 5.84 | 24.9 | | 2026-10-17T22:00:00-03:00 | poor | 0.0 | no | 1.74 | 5.89 | 24.8 | | 2026-10-17T23:00:00-03:00 | poor | 0.0 | no | 1.7 | 5.23 | 24.8 | | 2026-10-18T00:00:00-03:00 | poor | 0.0 | no | 1.68 | 4.05 | 24.8 | | 2026-10-18T01:00:00-03:00 | poor | 0.0 | no | 1.66 | 3.48 | 24.7 | | 2026-10-18T02:00:00-03:00 | poor | 0.0 | no | 1.66 | 2.44 | 24.7 | | 2026-10-18T03:00:00-03:00 | poor | 0.0 | no | 1.64 | 1.38 | 24.7 | | 2026-10-18T04:00:00-03:00 | poor | 0.0 | no | 1.64 | 0.68 | 24.7 | | 2026-10-18T05:00:00-03:00 | poor | 0.0 | no | 1.62 | 0.9 | 24.7 | | 2026-10-18T06:00:00-03:00 | fair | 0.41702962962962953 | no | 1.62 | 1.42 | 24.7 | | 2026-10-18T07:00:00-03:00 | fair | 0.3915740740740741 | no | 1.62 | 1.12 | 24.7 | ## Nearby spots - [Fernando de Noronha](https://snorkelforecast.com/brazil/fernando-de-noronha/index.md)