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São Martinho bay-mouth
Official tide predictions (WorldTides). · All times Europe/Lisbon.
Tide chart
Tide size
Neap1.5m
Next big tide: 09/28 Low 0.5m
Moon
First quarter 47%
Moonrise 14:46 · Moonset 23:52
Solunar
Major 18:20–20:20 05:55–07:55
Minor 14:16–15:16 23:22–00:22
Sun
↑ 07:11 · ↓ 20:01
First light 06:44 · Last light 20:28
Next daytime low: 09/06 13:04 0.9m
Next daytime high: 09/06 19:22 2.6m
Traditional angling activity windows, from the moon's position — a guide, not a forecast.
Tide table
| Day | Tide | Range |
|---|---|---|
| September 2027 | ||
| Tue 07Neap | Low 01:23 1.1mHigh 07:47 2.5mLow 14:03 1.1mHigh 20:24 2.3m | 1.5m |
| Wed 08Neap | Low 02:24 1.3mHigh 08:58 2.4mLow 15:28 1.3mHigh 21:53 2.2m | 1.1m |
| Thu 09Neap | Low 03:55 1.4mHigh 10:33 2.3mLow 17:13 1.3mHigh 23:30 2.2m | 1.0m |
| Fri 10Neap | Low 05:32 1.4mHigh 11:56 2.4mLow 18:27 1.2m | 1.2m |
| Sat 11Neap | High 00:36 2.3mLow 06:36 1.2mHigh 12:52 2.6mLow 19:15 1.0m | 1.5m |
| Sun 12Average | High 01:22 2.5mLow 07:19 1.1mHigh 13:33 2.7mLow 19:51 0.9m | 1.9m |
| Mon 13Average | High 01:57 2.6mLow 07:54 0.9mHigh 14:07 2.9mLow 20:21 0.7m | 2.1m |
| Tue 14Large | High 02:28 2.8mLow 08:25 0.8mHigh 14:38 3.0mLow 20:49 0.6m | 2.4m |
| Wed 15Large | High 02:57 2.9mLow 08:54 0.7mHigh 15:07 3.1mLow 21:17 0.5m | 2.6m |
| Thu 16Large | High 03:25 3.0mLow 09:23 0.6mHigh 15:36 3.1mLow 21:44 0.5m | 2.6m |
| Fri 17Large | High 03:53 3.0mLow 09:53 0.5mHigh 16:06 3.1mLow 22:12 0.5m | 2.6m |
| Sat 18Large | High 04:23 3.0mLow 10:24 0.5mHigh 16:37 3.1mLow 22:42 0.5m | 2.6m |
| Sun 19Large | High 04:54 3.0mLow 10:58 0.6mHigh 17:10 3.0mLow 23:15 0.6m | 2.5m |
| Mon 20Large | High 05:28 2.9mLow 11:34 0.7mHigh 17:47 2.8mLow 23:52 0.8m | 2.3m |
| Tue 21Average | High 06:06 2.8mLow 12:17 0.8mHigh 18:30 2.7m | 2.0m |
| Wed 22Average | Low 00:36 0.9mHigh 06:54 2.7mLow 13:10 1.0mHigh 19:27 2.5m | 1.7m |
| Thu 23Neap | Low 01:34 1.1mHigh 07:59 2.5mLow 14:26 1.1mHigh 20:49 2.3m | 1.4m |
| Fri 24Neap | Low 02:59 1.2mHigh 09:31 2.5mLow 16:08 1.1mHigh 22:31 2.3m | 1.3m |
| Sat 25Neap | Low 04:39 1.2mHigh 11:04 2.6mLow 17:37 1.0mHigh 23:53 2.5m | 1.6m |
| Sun 26Average | Low 05:57 1.0mHigh 12:13 2.8mLow 18:40 0.7m | 2.1m |
| Mon 27Large | High 00:52 2.8mLow 06:54 0.8mHigh 13:07 3.1mLow 19:29 0.5m | 2.6m |
| Tue 28Spring | High 01:39 3.0mLow 07:41 0.5mHigh 13:54 3.3mLow 20:13 0.3m | 3.1m |
| Wed 29Spring | High 02:22 3.2mLow 08:25 0.3mHigh 14:38 3.5mLow 20:53 0.2m | 3.3m |
| Thu 30Spring | High 03:03 3.3mLow 09:06 0.2mHigh 15:20 3.5mLow 21:32 0.2m | 3.3m |
| October 2027 | ||
| Fri 01Spring | High 03:42 3.3mLow 09:46 0.2mHigh 16:01 3.4mLow 22:09 0.3m | 3.2m |
| Sat 02Spring | High 04:21 3.3mLow 10:26 0.3mHigh 16:41 3.3mLow 22:46 0.4m | 3.0m |
| Sun 03Large | High 05:00 3.2mLow 11:07 0.5mHigh 17:22 3.0mLow 23:23 0.6m | 2.7m |
| Mon 04Large | High 05:39 3.0mLow 11:48 0.7mHigh 18:04 2.8m | 2.3m |
| Tue 05Average | Low 00:01 0.9mHigh 06:21 2.8mLow 12:34 0.9mHigh 18:50 2.5m | 1.9m |
| Wed 06Neap | Low 00:44 1.1mHigh 07:10 2.6mLow 13:30 1.1mHigh 19:48 2.3m | 1.4m |
| Thu 07Neap | Low 01:41 1.3mHigh 08:17 2.4mLow 14:49 1.3mHigh 21:13 2.1m | 1.1m |
| Fri 08Neap | Low 03:06 1.4mHigh 09:47 2.3mLow 16:29 1.3mHigh 22:49 2.1m | 1.0m |
| Sat 09Neap | Low 04:45 1.4mHigh 11:12 2.4mLow 17:45 1.2mHigh 23:58 2.3m | 1.2m |
| Sun 10Neap | Low 05:55 1.3mHigh 12:12 2.5mLow 18:35 1.1m | 1.5m |
| Mon 11Average | High 00:46 2.4mLow 06:42 1.1mHigh 12:55 2.7mLow 19:12 0.9m | 1.8m |
| Tue 12Average | High 01:22 2.6mLow 07:19 0.9mHigh 13:31 2.8mLow 19:44 0.8m | 2.1m |
| Wed 13Large | High 01:54 2.8mLow 07:52 0.8mHigh 14:03 2.9mLow 20:13 0.6m | 2.3m |
| Thu 14Large | High 02:24 2.9mLow 08:23 0.7mHigh 14:34 3.0mLow 20:41 0.5m | 2.5m |
| Fri 15Large | High 02:53 3.0mLow 08:54 0.6mHigh 15:06 3.1mLow 21:11 0.5m | 2.6m |
| Sat 16Large | High 03:23 3.1mLow 09:27 0.5mHigh 15:38 3.1mLow 21:42 0.5m | 2.6m |
| Sun 17Large | High 03:55 3.1mLow 10:01 0.5mHigh 16:13 3.1mLow 22:15 0.5m | 2.7m |
| Mon 18Large | High 04:29 3.1mLow 10:38 0.5mHigh 16:50 3.0mLow 22:52 0.6m | 2.6m |
| Tue 19Large | High 05:08 3.0mLow 11:19 0.6mHigh 17:33 2.8mLow 23:34 0.8m | 2.4m |
| Wed 20Average | High 05:52 2.9mLow 12:08 0.8mHigh 18:23 2.7m | 2.1m |
| Thu 21Average | Low 00:24 0.9mHigh 06:46 2.7mLow 13:09 0.9mHigh 19:26 2.5m | 1.8m |
| Fri 22Neap | Low 01:29 1.1mHigh 07:55 2.6mLow 14:29 1.0mHigh 20:49 2.4m | 1.6m |
| Sat 23Neap | Low 02:53 1.2mHigh 09:21 2.6mLow 16:00 1.0mHigh 22:19 2.4m | 1.6m |
| Sun 24Average | Low 04:23 1.1mHigh 10:44 2.7mLow 17:18 0.9mHigh 23:33 2.6m | 1.8m |
| Mon 25Average | Low 05:36 1.0mHigh 11:50 2.9mLow 18:17 0.7m | 2.2m |
| Tue 26Large | High 00:29 2.8mLow 06:32 0.8mHigh 12:44 3.0mLow 19:05 0.5m | 2.5m |
| Wed 27Spring | High 01:16 3.0mLow 07:21 0.6mHigh 13:32 3.2mLow 19:48 0.4m | 2.8m |
| Thu 28Spring | High 01:59 3.1mLow 08:05 0.4mHigh 14:17 3.3mLow 20:28 0.3m | 2.9m |
| Fri 29Spring | High 02:40 3.2mLow 08:46 0.4mHigh 14:59 3.3mLow 21:06 0.4m | 2.9m |
| Sat 30Spring | High 03:19 3.3mLow 09:27 0.4mHigh 15:40 3.2mLow 21:43 0.4m | 2.9m |
| Sun 31Spring | High 02:57 3.2mLow 09:07 0.4mHigh 15:20 3.0mLow 21:19 0.6m | 2.8m |
| November 2027 | ||
| Mon 01Large | High 03:36 3.1mLow 09:46 0.6m | 2.6m |
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How this is calculated
Loaded through 2027-11-01.
Astronomical predictions. Real water level shifts with pressure and wind.
Guides Tides and Surf Portugal: Best Tide for Surfing · How to Read a Surf Forecast for Portugal · What a Provisional Surf Rating Means