# Manuel Antonio snorkeling forecast No remaining forecast hours are available for today in Manuel Antonio. Check the three-day outlook. - Location: Manuel Antonio, Costa Rica - Timezone: America/Costa_Rica - Valid period: next 72 hours from 2026-09-22T23:48:47.456334-06:00 - Verdict: No forecast for later today - Score: No score - Share of next 72h scored OK: 4% - Source: snapshot - Generated at: 2026-09-22T23:24:55.522580-06:00 - Conditions can change. HTML page: https://snorkelforecast.com/costa-rica/manuel-antonio/ - Forecast JSON: https://snorkelforecast.com/costa-rica/manuel-antonio/forecast.json - Sea temperature: https://snorkelforecast.com/costa-rica/manuel-antonio/sea-temperature/ - Sea temperature markdown: https://snorkelforecast.com/costa-rica/manuel-antonio/sea-temperature.md - History JSON: https://snorkelforecast.com/costa-rica/manuel-antonio/history.json - Embed widget: https://snorkelforecast.com/costa-rica/manuel-antonio/embed/sea-temperature/ - Current sea temperature: 30.3 °C (86.5 °F) - Baseline normal for month 9: 29.4 °C (84.9 °F) from 3 sample years - Sea temperature versus month 9 normal: +0.9 °C (+1.6 °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 | | --- | --- | --- | --- | --- | --- | --- | | 2026-09-23T00:00:00-06:00 | poor | 0.0 | no | 1.06 | 1.12 | 30.3 | | 2026-09-23T01:00:00-06:00 | poor | 0.0 | no | 1.06 | 0.76 | 30.3 | | 2026-09-23T02:00:00-06:00 | poor | 0.0 | no | 1.04 | 0.51 | 30.3 | | 2026-09-23T03:00:00-06:00 | poor | 0.0 | no | 1.04 | 0.16 | 30.2 | | 2026-09-23T04:00:00-06:00 | poor | 0.0 | no | 1.04 | 0.1 | 30.2 | | 2026-09-23T05:00:00-06:00 | poor | 0.0 | no | 1.04 | 0.21 | 30.2 | | 2026-09-23T06:00:00-06:00 | fair | 0.5097555555555555 | no | 1.04 | 0.57 | 30.2 | | 2026-09-23T07:00:00-06:00 | good | 0.5676833333333333 | yes | 1.04 | 0.99 | 30.3 | | 2026-09-23T08:00:00-06:00 | good | 0.5731166666666666 | yes | 1.02 | 1.17 | 30.4 | | 2026-09-23T09:00:00-06:00 | fair | 0.5467777777777776 | no | 1.02 | 0.96 | 30.6 | | 2026-09-23T10:00:00-06:00 | fair | 0.49967037037037026 | no | 1.02 | 0.74 | 30.7 | | 2026-09-23T11:00:00-06:00 | fair | 0.49318518518518517 | no | 1.0 | 1.72 | 30.9 | | 2026-09-23T12:00:00-06:00 | fair | 0.4763722222222222 | no | 1.0 | 2.55 | 30.9 | | 2026-09-23T13:00:00-06:00 | fair | 0.44396666666666673 | no | 1.0 | 1.98 | 30.9 | | 2026-09-23T14:00:00-06:00 | fair | 0.4404444444444444 | no | 0.98 | 1.05 | 30.9 | | 2026-09-23T15:00:00-06:00 | fair | 0.46292222222222223 | no | 0.98 | 0.39 | 30.9 | | 2026-09-23T16:00:00-06:00 | fair | 0.4601962962962962 | no | 0.98 | 0.43 | 30.8 | | 2026-09-23T17:00:00-06:00 | fair | 0.45293518518518516 | no | 0.98 | 0.64 | 30.8 | | 2026-09-23T18:00:00-06:00 | poor | 0.0 | no | 0.98 | 0.96 | 30.7 | | 2026-09-23T19:00:00-06:00 | poor | 0.0 | no | 0.98 | 0.51 | 30.7 | | 2026-09-23T20:00:00-06:00 | poor | 0.0 | no | 0.98 | 0.1 | 30.6 | | 2026-09-23T21:00:00-06:00 | poor | 0.0 | no | 0.98 | 0.0 | 30.5 | | 2026-09-23T22:00:00-06:00 | poor | 0.0 | no | 0.98 | 0.05 | 30.5 | | 2026-09-23T23:00:00-06:00 | poor | 0.0 | no | 0.98 | 0.49 | 30.4 | ## Nearby spots - [Caño Island](https://snorkelforecast.com/costa-rica/cano-island/index.md)