Praia de Alburrica today
- Beach day 12:00–5:00 pm Fair beach day · 5/10
- Tide now 3.3 ft ↓ falling · low 10:15 am (1.7 ft)
- Best time to fish 3:30–5:30 pm good day · 7/10
- Waves · water 4.5 ft · 63 °F moderate · 11.0 s from the west-northwest
- Wind · air 5 mph · 58 °F from the NE, gusts 11 · clear sky
- Sun 7:00 am–5:40 pm 10 h 40 min of daylight
- Moon 85% · 8:09 pm waning gibbous · rises at 8:09 pm
- Best time to dive 3:30–5:30 pm average day · 6/10
Today in Praia de Alburrica there are high tides at 4:04 am (10.7 ft) and 4:32 pm (10.0 ft) and low tides at 10:15 am and 10:31 pm. Tide coefficient 93. Right now the tide is falling toward the low tide at 10:15 am. The sun rises at 7:00 am and sets at 5:40 pm: 10 h 40 min of daylight. The moon is 85% illuminated (waning gibbous) and rises at 8:09 pm. Major solunar periods run from 2:03 am to 4:03 am and from 2:36 pm to 4:36 pm. The next spring tides arrive from November 9 to 11. The sea is moderate, with 4.5 ft waves. There's a light breeze from the northeast (5 mph). Clear sky, 58 °F.
Beach day in Praia de Alburrica
Is it a beach day?
- Sunny
- Feels like 79 °F: pleasant
- Offshore breeze (5 mph)
- UV 4 (moderate): SPF 30 sunscreen
- Swim with care: 3.9 ft waves every 11 s; moderate rip current risk
- Water at 63 °F (cold)
Today, hour by hour
- Swimming Use care · 3.9 ft
3.9 ft waves every 11 s: swim with care and stay where you can stand. Moderate rip current risk. Always follow the lifeguard's flags.
- Water 63 °F
Cold: ease in slowly.
- Sun & sunscreen UV 4 · SPF 30
Max UV 4 (moderate): SPF 30 sunscreen, reapplied every 2 hours.
- Wind 6 mph
Offshore breeze (6 mph).
- Tide & sand 10:15 am
Low tide at 10:15 am and 10:31 pm: that's when there's the most sand. High tide at 4:04 am and 4:32 pm.
The best window, 12:00 pm to 5:00 pm, brings sunshine, pleasant temperatures and little wind, though with some waves.
We don't have data on jellyfish, sargassum or beach closures: ask the lifeguard or check with the local beach authority. How it works · The next 7 days
About Praia de AlburricaThe beach
In Barreiro, 0.8 mi from the center. Tides, weather and sun in Barreiro →
- Showers
- Parking
Amenities from OpenStreetMap: some may be missing or out of date. See on OpenStreetMap · Fix on OpenStreetMap
Beaches near Praia de Alburrica
Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors
- Praia do Mexilhoeiro 0.4 mi · W
- Parking
- Praia do Clube Naval 0.6 mi · NW
- Parking
- No dogs
- Praia da Velha 0.7 mi · S
- Parking
- Praia dos Barcos 1.0 mi · SW
- Restrooms
- Parking
- Praia de Copacabana 1.3 mi · SE
- Parking
- Praia do Seixal 1.5 mi · SW
- Restrooms
- Parking
- Praia Fluvial da Ponta dos Corvos 1.7 mi · W
- Restrooms
- Parking
- Praia da Gorda 3.1 mi · E
- Nudity allowed
Named beaches within 6.2 mi, nearest first. Amenities from OpenStreetMap: some may be missing or out of date. View on OpenStreetMap · Add or fix on OpenStreetMap
Beaches and amenities: © OpenStreetMap contributors (ODbL). Bathing water quality: European Environment Agency (EEA), with data from the Portuguese Environment Agency (APA).
Webcams near Praia de Alburrica
Webcams provided by windy.com — add a webcam
Fishing in Praia de Alburrica today
Best time to fish
Solunar activity today: medium- High tide at 4:32 pm, coefficient 87
- Major period 2:36–4:36 pm
- Sunset at 5:40 pm, golden hour from 5:03 pm
- Steady pressure (30.06 inHg), almost no wind and some swell (3.3 ft waves) to stir the water
- Waning gibbous: a bit more activity than at the quarters
- Highest tide coefficient today: 93 (spring tides)
Your day at a glance
The best window, 3:30 pm to 5:30 pm, combines the 4:32 pm high tide, a major period, sunset and some swell. Also good from 10:30 am to 11:20 am, with the 10:15 am low tide, moonset and some swell. Also good from 3:00 am to 4:00 am, with the 4:04 am high tide and a major period.
Species with the most records nearby: European hake, Atlantic horse mackerel, common two-banded seabream and small-spotted catshark. October is one of the months when these are seen most: small-spotted catshark. What you can catch
Tides in Praia de Alburrica
Today's high and low tides
- ▲ High tide 4:04 am 10.7 ft · coef. 93
- ▼ Next low tide 10:15 am 1.7 ft
- ▲ High tide 4:32 pm 10.0 ft · coef. 87
- ▼ Low tide 10:31 pm 2.3 ft
↓ Falling The tide is falling. 1 h 45 min to low tide at 10:15 am.
Tide coefficient 93 for the 4:04 am high tide and 87 for the 4:32 pm high tide. Spring tides. The water rises and falls 9.0 ft between the highest high and the lowest low: a large range for this place. 70 is an average tide here; 90 and above means spring tides; below 45, neap tides. What is the tide coefficient?
2026 extremes: the highest tide of the year is on August 13 (11.3 ft) and the lowest, on August 13 (0.6 ft).
Semidiurnal: two high and two low tides a day, of similar height.
Heights above chart datum: the lowest astronomical tide (LAT), the zero of nautical charts in Europe. Astronomical prediction: wind and air pressure can raise or lower the water by a few inches, and more in a storm. Not for navigation. chart datum (LAT)
Tide coefficient and range in October
The biggest tides of the month came from October 26 to 28 (coefficient 101, 9.6 ft range). The smallest, from October 18 to 19 (coefficient 29, 3.2 ft).
Tide and solunar table · this week
| Day | Sun | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Coef. | Moon | Major periods | Activity |
|---|---|---|---|---|---|---|---|---|---|
| Today, Thu 29 | 7:00 am · 5:40 pm | High tide 4:04 am · 10.7 ft | Low tide 10:15 am · 1.7 ft | High tide 4:32 pm · 10.0 ft | Low tide 10:31 pm · 2.3 ft | Coef. 93 | 85% | Major periods 2:03 am · 2:36 pm | Medium |
| Fri 30 | 7:01 am · 5:39 pm | High tide 4:53 am · 10.2 ft | Low tide 11:08 am · 2.2 ft | High tide 5:27 pm · 9.3 ft | Low tide 11:23 pm · 3.0 ft | Coef. 81 | 76% | Major periods 3:08 am · 3:40 pm | Medium |
| Sat 31 | 7:02 am · 5:37 pm | High tide 5:50 am · 9.7 ft | Low tide 12:11 pm · 2.9 ft | High tide 6:32 pm · 8.6 ft | — | Coef. 67 | 65% | Major periods 4:11 am · 4:41 pm | Medium |
| Sun 1 | 7:03 am · 5:36 pm | Low tide 12:27 am · 3.7 ft | High tide 6:58 am · 9.2 ft | Low tide 1:30 pm · 3.3 ft | High tide 7:52 pm · 8.1 ft | Coef. 55 | Last quarter | Major periods 5:09 am · 5:37 pm | Medium |
| Mon 2 | 7:04 am · 5:35 pm | Low tide 1:49 am · 4.1 ft | High tide 8:19 am · 8.9 ft | Low tide 3:02 pm · 3.4 ft | High tide 9:19 pm · 8.1 ft | Coef. 50 | 43% | Major periods 6:03 am · 6:28 pm | Medium |
| Tue 3 | 7:05 am · 5:34 pm | Low tide 3:21 am · 4.0 ft | High tide 9:42 am · 8.9 ft | Low tide 4:20 pm · 3.2 ft | High tide 10:32 pm · 8.4 ft | Coef. 56 | 32% | Major periods 6:53 am · 7:16 pm | Medium |
| Wed 4 | 7:06 am · 5:33 pm | Low tide 4:34 am · 3.7 ft | High tide 10:50 am · 9.2 ft | Low tide 5:18 pm · 2.8 ft | High tide 11:28 pm · 8.9 ft | Coef. 65 | 23% | Major periods 7:39 am · 8:01 pm | Low |
▲ high tide · ▼ low tide · heights above chart datum (LAT). Major periods: start time; they last 2 hours. Activity: based on the moon phase and the solunar periods.
Where this tide comes from
Praia de Alburrica has no station of its own, so we use the tide at Cascais (TICON-4), 18 mi away. On the open coast the difference is usually a few minutes and inches; inside estuaries, rivers and enclosed bays it can be much larger.
Station data attribution: Slackwater database (https://github.com/openwatersio/slackwater-database). Source: Hart-Davis, M., Dettmering, D., Seitz, F. (2025), TICON-4: TIdal CONstants based on GESLA-4 sea-level records, SEANOE, https://doi.org/10.17882/109129. Licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Modified: see https://github.com/openwatersio/slackwater-database#modifications-to-source-data
The sea at Praia de Alburrica
Sea stateSea state: moderate
The waves you may find
- Most commonMost common2.3 ft
- Significant4.5 ft
- Highest expectedHighest8.9 ft
One wave in seven is higher than the significant height, and about 3 times a day one reaches 8.9 ft. Before heading out, expect waves of up to 8.9 ft.
Wind on the coast and offshore
Cross-offshore wind. The coast faces west and the wind comes off the land at an angle: calmer water near the shore, and bait and boats drift out to sea.
Wave height, next 7 daysWaves, next 7 days
Waves ease over the next few days. The biggest waves arrive on Thursday 29: 5.7 ft with a period of 12 s, from the west-northwest (moderate).
Water temperature
Water temperature →Water temperature changes how fish behave: in very cold or very warm water they feed less. The water is steady these days, with no sudden changes.
Water colder than normal for late October (−1.9 °F).
Satellite: NASA MUR (JPL MUR MEaSUREs, PO.DAAC), doi:10.5067/GHGMR-4FJ04. Sources and licenses
Water temperature →Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 8:31 am (local time).
Diving in Praia de Alburrica today
Diving and snorkeling today
Likely visibility: poor- Slack water around high tide (4:32 pm): little current from 4:10 pm to 4:50 pm
- 3.3 ft swell at 9 s from the west-northwest: some surge on the bottom
- Almost no wind
- 0.2 mph current toward the east-southeast, weak (model)
- Daylight
- Slack water today: high tide 4:04 am (3:40–4:20 am), low tide 10:15 am (9:50–10:40 am), high tide 4:32 pm (4:10–4:50 pm) and low tide 10:31 pm (10:10–11:00 pm)
- Likely visibility: poor. Swell (up to 7.7 ft at 11 s) over the last few days has stirred up the water. Based on the last 24 hours of data.
- Water at 62.8 °F: a 7 mm wetsuit, with hood and booties.
- Snorkeling: better not, with these waves, wind or current.
- Night dive: dark from 6:07 pm. Waning gibbous (85%), rising at 8:09 pm: a bright night.
Your diving day at a glance
The best window, 3:30 pm to 5:30 pm, combines slack water at high tide, light wind and weak current, though with some swell. Also worth a look from 9:50 am to 10:40 am, with slack water at low tide, light wind, weak current and the sun high, though with some swell.
Slack water comes from the tide: in inlets, channels and between islands the water can keep running for an hour or two after. Ask the local dive shop.
Never dive alone and check with the local dive shop: this rating is a guide, not a substitute for a professional.
Dive sites, wrecks and dive shops nearby
Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors
- Nautilus-SUB 4.2 mi
- S Vincente 2.6 mi
- Carvoeiro 5.1 mi
- Pegasus 5.5 mi
- Ville Victoire 5.6 mi
- Palenca 5.8 mi
- Borussia 6.3 mi
- Wreck 4.1 mi
- CaparicaDiving-ScubaDiving 3.1 mi
- SubCentro 4.9 mi
- Casco Antiguo Portugal 5.1 mi
- Escola de Mergulho de Lisboa 6.0 mi
Within 12 mi. Some may be missing or closed; marine reserves usually need a permit. Open the map on OpenStreetMap · Missing one? Add it to OpenStreetMap
Wreck and reef positions are approximate and not for navigation; a wreck’s depth runs from the top of the hull to the seabed.
Sites: © OpenStreetMap contributors (ODbL). Wrecks: EMODnet Human Activities (AND-International), from UK Hydrographic Office data, CC BY 4.0. Contains public sector information licensed under the Open Government Licence v3.0.
Weather in Praia de Alburrica
Now in Praia de Alburrica
- Low / high
- 55 / 79 °F
- Rain
- 0.00 in · 0%
- Clouds
- 0%
- Humidity
- 86%
- Dew pointDew point
- 54 °F
- Visibility
- 8.1 mi
- UV indexUV
- 1 · low
- Air qualityAir
- Fair · 39
- Saharan dust
- No
- Pollen
- None
Pressure and fishing
- ↗ RisingRising Anglers say fish bite less for a while
- → SteadySteady · now Anglers expect normal activity
- ↘ FallingFalling Anglers say fish feed more before the change
Steady now (+0.02 inHg in 3 hours). Over the next 48 hours: −0.06 inHg. Steady pressure: anglers expect normal activity. Fast changes, either way, tend to affect fishing.
Today, hour by hourHour by hour
Bars: mean wind. Dashed line: gusts. Arrows point where the wind blows to.
| Time | 12:00 am | 3:00 am | 6:00 am | 9:00 am | 12:00 pm | 3:00 pm | 6:00 pm | 9:00 pm |
|---|---|---|---|---|---|---|---|---|
| Sky | Clear | Clear | Clear | Clear sky | Clear sky | Clear sky | Clear | Mainly clear |
| Temperature | 59° | 57° | 56° | 60° | 72° | 79° | 71° | 65° |
| Wind (mph) | 3 ENE | 4 ENE | 4 ENE | 6 NE | 5 NE | 3 NNW | 3 WSW | 2 SW |
| Gusts | 6 | 7 | 9 | 13 | 15 | 8 | 8 | 1 |
| Waves | 5.7 ft | 5.3 ft | 4.9 ft | 4.4 ft | 3.9 ft | 3.5 ft | 3.2 ft | 3.0 ft |
| Rain | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in |
- 9:00 am 60° 6 NE 4.4 ft
- 12:00 pm 72° 5 NE 3.9 ft
- 3:00 pm 79° 3 NNW 3.5 ft
- 6:00 pm 71° 3 WSW 3.2 ft
- 9:00 pm 65° 2 SW 3.0 ft
- 12:00 am 63° 1 ENE 2.9 ft
- 3:00 am 60° 2 ENE 2.8 ft
- 6:00 am 58° 3 ENE 2.8 ft
Next 14 daysComing days
| Day | Sky | Low / high | Max wind | Max wave | High tides |
|---|---|---|---|---|---|
| Today · 29 | 55 / 79 °F | 6 mph NE | 5.7 ft | 4:04 am · 4:32 pm | |
| Fri 30 | 57 / 80 °F | 6 mph NE | 3.8 ft | 4:53 am · 5:27 pm | |
| Sat 31 | 57 / 79 °F | 4 mph NE | 4.7 ft | 5:50 am · 6:32 pm | |
| Sun 1 | 56 / 75 °F | 6 mph SW | 4.6 ft | 6:58 am · 7:52 pm | |
| Mon 2 | 57 / 77 °F | 4 mph WNW | 3.3 ft | 8:19 am · 9:19 pm | |
| Tue 3 | 55 / 73 °F | 8 mph NNW | 2.3 ft | 9:42 am · 10:32 pm | |
| Wed 4 | 50 / 67 °F | 8 mph NW | 3.1 ft | 10:50 am · 11:28 pm | |
| Thu 5 | 55 / 64 °F | 6 mph SSW | 3.1 ft | 11:45 am | |
| Fri 6 | 54 / 66 °F | 7 mph NW | 4.3 ft | 12:13 am · 12:30 pm | |
| Sat 7 | 53 / 60 °F | 3 mph NE | 0.2 ft | 12:53 am · 1:11 pm | |
| Sun 8 | 49 / 65 °F | 6 mph E | 0.4 ft | 1:29 am · 1:48 pm | |
| Mon 9 | 56 / 68 °F | 7 mph SE | 0.3 ft | 2:04 am · 2:23 pm | |
| Tue 10 | 59 / 69 °F | 7 mph SE | 0.1 ft | 2:38 am · 2:57 pm | |
| Wed 11 | 61 / 68 °F | 13 mph S | 0.8 ft | 3:11 am · 3:31 pm |
- Fri 30 Overcast 57° / 80° 3.8 ft
- Sat 31 Mainly clear 57° / 79° 4.7 ft
- Sun 1 Partly cloudy 56° / 75° 4.6 ft
- Mon 2 Partly cloudy 57° / 77° 3.3 ft
- Tue 3 Overcast 55° / 73° 2.3 ft
- Wed 4 Mainly clear 50° / 67° 3.1 ft
- Thu 5 Light drizzle 55° / 64° 3.1 ft
Each day comes from the best model covering this spot: regional ones first (HRRR and NBM in the U.S., AROME, ICON-EU), then ECMWF; day 16, NOAA GFS. Waves: Météo-France up to day 10, then ECMWF WAM, coarser and further offshore. High tides: our own tide calculation.
- The models Partly agree · medium confidence: unsure about temperature on Sunday 1. See the models →
- Outlook Next few weeks, compared with normal: warmer and a bit wetter. See the outlook →
- Normal Today, warmer than normal for late October (+9.1 °F; normal high: 69 °F). Climate by month →
Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 8:31 am (local time).
The sun in Praia de Alburrica
Sunrise and sunset
- First light 6:01 am
- Full dark 6:38 pm
- Civil dawn 6:32 am
- Civil dusk 6:07 pm
- Solar noon 12:20 pm (38° high)
- Daylight 10 h 40 min (−2 min)
- Evening golden hour 5:03 pm
- Full dark 6:38 pm
Golden hour and the day-night map
Today the sun is 92,334,940 mi away and looks 32′ 11″ across.
The moon in Praia de Alburrica
Moon phase and position
Today the moon is 226,641 mi away and looks 32′ 45″ across.
Solunar periods
Today's activity: medium- 2:03–4:03 am Major · the moon passes overhead · high activity
- 2:36–4:36 pm Major · the moon passes underfoot · high activity
- 10:32–11:32 am Minor · moonset · medium activity
- 7:39–8:39 pm Minor · moonrise · medium activity
According to solunar theory, fish feed more when the moon passes overhead or underfoot (major periods, about 2 h) and when it rises or sets (minor periods, 1 h). It works best around new and full moon.
Upcoming moon phases
2026 moon calendar →- Last quarter Sun, Nov 1 · 8:29 pmNov 1 in 3 days
- New moon Mon, Nov 9 · 7:03 amNov 9 in 11 days
- First quarter Tue, Nov 17 · 11:48 amNov 17 in 19 days
- Full moon Tue, Nov 24 · 2:54 pmNov 24 in 26 days
Next perigee (the moon at its closest to Earth): November 25, 223,281 mi away.
Where to fish in Praia de Alburrica
Piers, ramps and tackle shops nearby
Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors
- Jetty 0.6 mi
- Jetty 0.6 mi
- Jetty 0.9 mi
- Pontão do Seixal (Fishing Spot) 1.0 mi
- Boat ramp 0.6 mi
- Boat ramp 0.7 mi
- Boat ramp 1.6 mi
- Estação Náutica "Baia do Seixal" 1.4 mi
- Estação Náutica "Baía do Seixal" 2.3 mi
- Tackle shop 4.2 mi
- Go Fishing Portugal 4.9 mi
- Fuel dock 7.1 mi
Within 9.3 mi. A spot may be missing or closed. Open the map on OpenStreetMap · Missing one? Add it to OpenStreetMap
Spots: © OpenStreetMap contributors (ODbL) and Overture Maps.
Water depth
Very shallowVery shallow and flat: even 2.8 mi from shore the water is less than 16 ft deep.
From the shoreline (900 ft from Praia de Alburrica) out to sea, heading west.
How far from shore
- 16 ft deepnot within 2.8 mi
- 33 ft deepnot within 2.8 mi
- 66 ft deepnot within 2.8 mi
- 164 ft deepnot within 2.8 mi
For fishing, swimming and diving
- Shore fishing. Very shallow: the water doesn't reach 16 ft within 2.8 mi. Cast far from the beach, ideally around high tide.
- Swimming. A very gentle way in with plenty of shallow water, good for kids. At low tide the water can be far out.
- Diving. Shallow: the water doesn't reach 33 ft within 2.8 mi. For deeper dives, take a boat farther out.
Inside bays, estuaries and harbors the bottom changes a lot from spot to spot (channels and shoals): use this only as a rough guide. There is land ahead (an island, a headland or the far shore) 2.8 mi out.
Source: EMODnet Bathymetry DTM 2024 (CC BY 4.0), cells of about 380 ft; depth at the lowest astronomical tide. For reference only: not for navigation or anchoring.
Nearest lighthouse
Cacilhas Lighthouse 4.1 mi northwest
- Range
- 12 nautical miles (13 mi)
- Tower height
- 49 ft
- Built
- 1886
Data from Wikidata. For reference only: not for navigation. Wikipedia · Wikidata · Sources and licenses
Tides near Praia de AlburricaTides nearby
- Barreiro0.8 mi
- Seixal1.5 mi
- Lavradio1.9 mi
- Arrentela2.3 mi
- Amora2.5 mi
- Aldeia de Paio Pires2.7 mi
- Alhos Vedros3.2 mi
- Santo António da Charneca3.5 mi
- Corroios3.8 mi
- Laranjeiro3.8 mi
Praia de Alburrica at a glance
- Beach. Coordinates: 38.655° N, 9.083° W.
- It is 14 mi northwest of Setúbal, the main place in Setúbal. The sun rises 1 min later and sets 1 min later than in Setúbal.
- In Barreiro, 0.8 mi from the center.
- The nearest tide station, Cascais, is 18 mi to the west.
- Its coast faces west.
- Beaches and harbors nearby: Praia do Moinho do Cabo (0.6 mi), Praia do Seixal (1.5 mi), Praia da Ponta dos Corvos (1.7 mi), Praia Barra-a-Barra (1.9 mi).
Questions about Praia de AlburricaQuestions
Where is Praia de Alburrica?
In Barreiro, 0.8 mi from the center, Setúbal (Portugal). The shore faces west.
What amenities does Praia de Alburrica have?
According to OpenStreetMap: showers and parking. Some may be missing or out of date, so ask at the beach.
What time is high tide today in Praia de Alburrica?
Today in Praia de Alburrica there are high tides at 4:04 am (10.7 ft) and 4:32 pm (10.0 ft) and low tides at 10:15 am and 10:31 pm. Tide coefficient 93.
What time is sunset today in Praia de Alburrica?
At 5:40 pm. There is light until the end of civil twilight, at 6:07 pm.
What time is sunrise tomorrow in Praia de Alburrica?
At 7:01 am. First light comes at 6:02 am.
What phase is the moon today?
Waning gibbous, 85% illuminated. New moon on Mon, Nov 9 · 7:03 am.
When are the next spring tides?
From November 9 to 11.
What are today's solunar periods?
Major 2:03–4:03 am, Minor 10:32–11:32 am, Major 2:36–4:36 pm, Minor 7:39–8:39 pm. Today's activity is medium.
What's the weather like today in Praia de Alburrica?
Partly cloudy, from 55 °F to 79 °F, with a light breeze from the northeast (5 mph) and a 0% chance of rain.
How is the sea today in Praia de Alburrica?
Moderate (Douglas 4): 4.5 ft waves with a period of 11.0 s from the west-northwest. The water is 63.0 °F.
When is the best time to visit Praia de Alburrica?
The best time to visit Praia de Alburrica is from June to August: highs of 79 °F to 83 °F, barely 1 rainy day a month and 11 hours of sunshine a day.
Can I use this data for navigation?
No. These are predictions for fishing and leisure; for navigation, use the official publications.
Where this data comes from
Tide: Cascais station, with constants from TICON-4 (Hart-Davis, Dettmering and Seitz, 2025, SEANOE), licensed CC BY 4.0, via Slackwater database (changes). Sun and moon: our own calculation with astronomy-engine. Places: GeoNames (CC BY 4.0). Coastline: © OpenStreetMap contributors (ODbL).