Ondina Beach today
- Beach day 3:00–5:00 pm Poor beach day · 4/10
- Tide now 0.1 ft ↑ rising · high 5:48 am (6.8 ft)
- Best time to fish 5:10–6:00 pm good day · 7/10
- Waves · water 5.2 ft · 80 °F moderate · 7.1 s from the south-southeast
- Wind · air 5 mph · 75 °F from the S, gusts 14 · drizzle
- Surf today 3.0–4.5 ft Good day · 6/10 · 8:00 am–12:00 pm
- Sun 5:02 am–5:34 pm 12 h 33 min of daylight
- Moon 84% · 9:25 pm waning gibbous · rises at 9:25 pm
Today in Ondina Beach there are high tides at 5:48 am (6.8 ft) and 6:02 pm (6.4 ft) and low tide at 11:43 am. Tide coefficient 84. Right now the tide is rising toward the high tide at 5:48 am. The sun rises at 5:02 am and sets at 5:34 pm: 12 h 33 min of daylight. The moon is 84% illuminated (waning gibbous) and rises at 9:25 pm. Major solunar periods run from 1:06 am to 3:06 am and from 1:39 pm to 3:39 pm. The next spring tides arrive from November 9 to 11. The sea is moderate, with 5.2 ft waves. There's a light breeze from the south (5 mph). Drizzle, 75 °F.
Beach day in Ondina Beach
Is it a beach day?
- Sun and clouds
- Feels like 85 °F: beach weather
- Onshore breeze (11 mph)
- Water at 82 °F (warm)
- Rain (0.01 in)
- Swim with care: 4.1 ft waves every 8 s; high rip current risk
Thunderstorms during beach hours: get out of the water and off the sand as soon as you hear thunder.
Today, hour by hour
- Swimming Use care · 4.1 ft
4.1 ft waves every 8 s: swim with care and stay where you can stand. High rip current risk. If you're caught in a rip current, don't swim against it: swim parallel to shore and wave for help. Always follow the lifeguard's flags.
- Water 81 °F
Warm: very pleasant.
- Sun & sunscreen UV 8 · SPF 50
Max UV 8 (high): SPF 50 sunscreen, reapplied every 2 hours.
- Wind 11 mph
Onshore breeze (11 mph).
- Tide & sand 11:43 am
Low tide at 11:43 am: that's when there's the most sand. High tide at 5:48 am and 6:02 pm.
The best window, 3:00 pm to 5:00 pm, brings beach weather, little wind and water at 82 °F, though with rain and 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 Ondina BeachThe beach
2.8 mi from Salvador. Tides, weather and sun in Salvador →
- Parking
Amenities from OpenStreetMap: some may be missing or out of date. See on OpenStreetMap · Fix on OpenStreetMap
Beaches near Ondina Beach
Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors
- Praia da Sereia 0.4 mi · E
- Restrooms
- Showers
- Parking
- Suspiro da Jubarte 0.6 mi · W
- Praia da Paciência 0.9 mi · E
- Showers
- Praia de Santana 1.2 mi · E
- Restrooms
- Parking
- Praia da Barra 1.2 mi · W
- Restrooms
- Parking
- Porto da Barra Beach 1.6 mi · W
- Parking
- Praia do Buracão 1.9 mi · E
- Parking
- Praia de Amaralina 2.4 mi · E
- Lifeguard
- Parking
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).
Webcams near Ondina Beach
Webcams provided by windy.com — add a webcam
Fishing in Ondina Beach today
Best time to fish
Solunar activity today: medium- High tide at 6:02 pm, coefficient 77
- Sunset at 5:34 pm, golden hour from 5:05 pm
- Steady pressure (29.94 inHg), light onshore wind (5 mph) and some swell (4.1 ft waves) to stir the water
- Waning gibbous: a bit more activity than at the quarters
- Highest tide coefficient today: 84 (average tides)
Your day at a glance
The best window, 5:10 pm to 6:00 pm, combines the 6:02 pm high tide, sunset, a light onshore breeze and some swell. Also good from 10:40 am to 12:40 pm, with the 11:43 am low tide, a light onshore breeze and some swell.
Species with the most records nearby: lane snapper, mutton snapper, common snook and great barracuda. What you can catch
Tides in Ondina Beach
Today's high and low tides
- ▲ Next high tide 5:48 am 6.8 ft · coef. 84
- ▼ Low tide 11:43 am 0.6 ft
- ▲ High tide 6:02 pm 6.4 ft · coef. 77
↑ Rising The tide is rising. 5 h 34 min to high tide at 5:48 am.
Tide coefficient 84 for the 5:48 am high tide and 77 for the 6:02 pm high tide. Average coefficient. The water rises and falls 6.2 ft between the highest high and the lowest low: an average 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 March 19 (8.2 ft) and the lowest, on August 13 (-0.9 ft).
Semidiurnal: two high and two low tides a day, of similar height.
Heights above MLWS. Astronomical prediction: wind and air pressure can raise or lower the water by a few inches, and more in a storm. Not for navigation. MLWS
Tide coefficient and range in October
The biggest tides of the month came from October 25 to 27 (coefficient 103, 8.2 ft range). The smallest, on October 18 (coefficient 24, 2.4 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 | 5:02 am · 5:34 pm | High tide 5:48 am · 6.8 ft | Low tide 11:43 am · 0.6 ft | High tide 6:02 pm · 6.4 ft | — | Coef. 84 | 84% | Major periods 1:06 am · 1:39 pm | Medium |
| Fri 30 | 5:01 am · 5:34 pm | Low tide 12:16 am · 0.2 ft | High tide 6:41 am · 6.2 ft | Low tide 12:31 pm · 1.3 ft | High tide 6:57 pm · 6.0 ft | Coef. 70 | 75% | Major periods 2:11 am · 2:43 pm | Low |
| Sat 31 | 5:01 am · 5:35 pm | Low tide 1:15 am · 0.8 ft | High tide 7:44 am · 5.6 ft | Low tide 1:34 pm · 2.0 ft | High tide 8:05 pm · 5.6 ft | Coef. 55 | 64% | Major periods 3:13 am · 3:43 pm | Medium |
| Sun 1 | 5:00 am · 5:35 pm | Low tide 2:33 am · 1.3 ft | High tide 9:03 am · 5.2 ft | Low tide 3:08 pm · 2.3 ft | High tide 9:28 pm · 5.4 ft | Coef. 46 | Last quarter | Major periods 4:12 am · 4:39 pm | Medium |
| Mon 2 | 5:00 am · 5:35 pm | Low tide 4:08 am · 1.4 ft | High tide 10:31 am · 5.3 ft | Low tide 4:50 pm · 2.2 ft | High tide 10:49 pm · 5.7 ft | Coef. 49 | 42% | Major periods 5:05 am · 5:30 pm | Medium |
| Tue 3 | 5:00 am · 5:36 pm | Low tide 5:29 am · 1.2 ft | High tide 11:43 am · 5.6 ft | Low tide 5:57 pm · 1.8 ft | High tide 11:55 pm · 6.1 ft | Coef. 60 | 31% | Major periods 5:54 am · 6:18 pm | Low |
| Wed 4 | 4:59 am · 5:36 pm | Low tide 6:28 am · 0.9 ft | High tide 12:36 pm · 6.0 ft | Low tide 6:45 pm · 1.3 ft | — | Coef. 65 | 22% | Major periods 6:40 am · 7:03 pm | Low |
▲ high tide · ▼ low tide · heights above MLWS. Major periods: start time; they last 2 hours. Activity: based on the moon phase and the solunar periods.
Where this tide comes from
Tides from the Salvador station (TICON-4), 2.7 mi from Ondina Beach. Times and heights are its predictions.
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 Ondina Beach
Sea stateSea state: moderate
The waves you may find
- Most commonMost common2.6 ft
- Significant5.2 ft
- Highest expectedHighest11 ft
One wave in seven is higher than the significant height, and about 3 times a day one reaches 11 ft. Before heading out, expect waves of up to 11 ft.
Wind on the coast and offshore
Onshore wind. The coast faces south and the wind blows straight in from the sea: more surf and backwash at the shore, and bait and boats drift toward land.
Wave height, next 7 daysWaves, next 7 days
Waves ease over the next few days. The biggest waves arrive on Thursday 29: 5.2 ft with a period of 7 s, from the south-southeast (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 about normal for late October.
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 12:14 am (local time).
Surf in Ondina Beach today
Surf today
Good- 3.0–4.5 ft surf at the shore, a good size with some punch
- 4.3 ft swell at 7 s from the south-southeast, short: weak, messy waves
- Almost no wind (3 mph): glassy water
- Falling tide (low tide at 11:43 am)
- Light: First light 4:40 am · sunrise 5:02 am · sunset 5:34 pm · last light 5:56 pm
- Tide: high 5:48 am (6.8 ft), low 11:43 am (0.6 ft) and high 6:02 pm (6.4 ft). Every break has its own tide: some work at low tide and others at high tide. The tide doesn’t change the score here.
- Water at 80.1 °F–81.5 °F: boardshorts or a swimsuit and a rash guard.
- Energy: 144 kJ · Medium power
Today’s surf at a glance
The best window, 8:00 am to 12:00 pm, has a good size and glassy water, though with a short-period swell.
An estimate for this stretch of coast, not for a specific break: every beach or reef works its own way (its tide, bottom and angle). Check it when you get there.
Follow the flags and the lifeguards, and don’t paddle out if the surf is above your level: this score is a guide, not a substitute for what you see when you get there.
Diving in Ondina Beach today
Diving and snorkeling today
Likely visibility: poor- 4.0 ft swell at 7 s from the south-southeast: some surge on the bottom
- Light onshore wind (7 mph)
- 0.4 mph current toward the north, weak (model)
- Daylight
- Slack water today: high tide 5:48 am (5:30–6:10 am), low tide 11:43 am (11:20 am–12:10 pm), high tide 6:02 pm (5:30–6:30 pm) and low tide 12:16 am (11:50 pm–12:40 am)
- Likely visibility: poor. Swell (up to 6.4 ft at 6 s) and rain (1.68 in) over the last few days have stirred up the water. Based on the last 24 hours of data.
- Water at 80.1–81.5 °F: a shorty or a rash guard.
- Snorkeling: better not, with these waves, wind or current.
- Night dive: dark from 5:56 pm. Waning gibbous (84%), rising at 9:25 pm: a bright night.
Your diving day at a glance
The best window, 4:40 pm to 5:30 pm, combines light wind and weak current, though with some swell. Also worth a look from 10:50 am to 12:30 pm, with slack water at low tide, light wind and the sun high, though with some swell and current.
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
- Germania 1.8 mi
- Cavo Artemidi 3.2 mi
- Parque Natural Municipal Marinho da Barra 1.7 mi
- Rebello Mergulho e Aventura 1.5 mi
- Submerso 1.6 mi
- Bahia Scuba mergulho 2.2 mi
- Shark Dive Centro de Mergulho 2.7 mi
- Águas Abertas 6.2 mi
- Sharkdive Store 11 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 Ondina Beach
Now in Ondina Beach
- Low / high
- 75 / 80 °F
- Rain
- 1.09 in · 100%
- Clouds
- 99%
- Humidity
- 96%
- Dew pointDew point
- 74 °F
- Visibility
- 9.6 mi
- UV indexUV
- 0 · low
- Air qualityAir
- Fair · 25
- Saharan dust
- No
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 (−0.03 inHg in 3 hours). Over the next 48 hours: −0.09 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 | Drizzle | Drizzle | Light drizzle | Drizzle | Showers | Showers | Light drizzle | Partly cloudy |
| Temperature | 75° | 75° | 75° | 79° | 80° | 79° | 78° | 76° |
| Wind (mph) | 5 S | 6 SSW | 2 WSW | 3 WSW | 5 SSE | 11 S | 5 S | 4 SSE |
| Gusts | 14 | 15 | 7 | 13 | 16 | 24 | 15 | 7 |
| Waves | 5.2 ft | 5.0 ft | 4.7 ft | 4.5 ft | 4.3 ft | 4.1 ft | 4.1 ft | 4.1 ft |
| Rain | 0.03 in | 0.02 in | 0.01 in | 0.03 in | 0.12 in | 0.17 in | 0.00 in | 0.00 in |
- 12:00 am 75° 5 S 5.2 ft
- 3:00 am 75° 6 SSW 5.0 ft
- 6:00 am 75° 2 WSW 4.7 ft
- 9:00 am 79° 3 WSW 4.5 ft
- 12:00 pm 80° 5 SSE 4.3 ft
- 3:00 pm 79° 11 S 4.1 ft
- 6:00 pm 78° 5 S 4.1 ft
- 9:00 pm 76° 4 SSE 4.1 ft
Next 14 daysComing days
| Day | Sky | Low / high | Max wind | Max wave | High tides |
|---|---|---|---|---|---|
| Today · 29 | 75 / 80 °F | 11 mph S | 5.2 ft | 5:48 am · 6:02 pm | |
| Fri 30 | 74 / 87 °F | 11 mph E | 4.0 ft | 6:41 am · 6:57 pm | |
| Sat 31 | 75 / 87 °F | 10 mph ENE | 3.2 ft | 7:44 am · 8:05 pm | |
| Sun 1 | 76 / 88 °F | 11 mph ENE | 3.0 ft | 9:03 am · 9:28 pm | |
| Mon 2 | 76 / 86 °F | 11 mph E | 2.8 ft | 10:31 am · 10:49 pm | |
| Tue 3 | 76 / 85 °F | 11 mph E | 2.8 ft | 11:43 am · 11:55 pm | |
| Wed 4 | 77 / 85 °F | 11 mph ENE | 2.8 ft | 12:36 pm | |
| Thu 5 | 76 / 87 °F | 12 mph ENE | 3.1 ft | 12:49 am · 1:19 pm | |
| Fri 6 | 77 / 86 °F | 11 mph ENE | 3.1 ft | 1:34 am · 1:57 pm | |
| Sat 7 | 76 / 85 °F | 13 mph ENE | 2.8 ft | 2:16 am · 2:32 pm | |
| Sun 8 | 74 / 86 °F | 12 mph ENE | 2.7 ft | 2:55 am · 3:07 pm | |
| Mon 9 | 76 / 86 °F | 13 mph ENE | 2.8 ft | 3:32 am · 3:40 pm | |
| Tue 10 | 77 / 84 °F | 12 mph E | 2.4 ft | 4:08 am · 4:13 pm | |
| Wed 11 | 77 / 83 °F | 12 mph ESE | 2.4 ft | 4:43 am · 4:45 pm |
- Fri 30 Light drizzle 74° / 87° 4.0 ft
- Sat 31 Mainly clear 75° / 87° 3.2 ft
- Sun 1 Light drizzle 76° / 88° 3.0 ft
- Mon 2 Light drizzle 76° / 86° 2.8 ft
- Tue 3 Light drizzle 76° / 85° 2.8 ft
- Wed 4 Light drizzle 77° / 85° 2.8 ft
- Thu 5 Partly cloudy 76° / 87° 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.
- Normal Today, cooler than normal for late October (−3.7 °F; normal high: 84 °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 12:14 am (local time).
The sun in Ondina Beach
Sunrise and sunset
- First light 4:14 am
- Full dark 6:22 pm
- Civil dawn 4:40 am
- Civil dusk 5:56 pm
- Solar noon 11:18 am (89° high)
- Daylight 12 h 33 min (+1 min)
- Evening golden hour 5:05 pm
- Full dark 6:22 pm
Golden hour and the day-night map
Today the sun is 92,332,966 mi away and looks 32′ 11″ across.
The moon in Ondina Beach
Moon phase and position
Today the moon is 226,718 mi away and looks 32′ 44″ across.
Solunar periods
Today's activity: medium- 1:06–3:06 am Major · the moon passes overhead · high activity
- 1:39–3:39 pm Major · the moon passes underfoot · high activity
- 7:22–8:22 am Minor · moonset · medium activity
- 8:55–9:55 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 · 5:29 pmNov 1 in 3 days
- New moon Mon, Nov 9 · 4:03 amNov 9 in 11 days
- First quarter Tue, Nov 17 · 8:48 amNov 17 in 19 days
- Full moon Tue, Nov 24 · 11:54 amNov 24 in 26 days
Next perigee (the moon at its closest to Earth): November 25, 223,281 mi away.
Where to fish in Ondina Beach
Piers, ramps and tackle shops nearby
Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors
- Ponte do Lôrete 6.3 mi
- Jetty 2.4 mi
- Jetty 2.8 mi
- Jetty 3.5 mi
- Rua Amigos da Marinha 1.6 mi
- Boat ramp 6.2 mi
- Boat ramp 6.2 mi
- Bahia Marina 2.4 mi
- Porto Salvador Marina 2.7 mi
- Colônia Pesca Rio Vermelho 1.2 mi
- Marazzul Pesca 1.8 mi
- Fuel dock 3.0 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
Drops off fastThe bottom drops off fast: the water is 33 ft deep just 650 ft from shore. It reaches 164 ft at 1.6 mi.
From the shoreline out to sea, heading south.
How far from shore
- 16 ft deep410 ft
- 33 ft deep650 ft
- 66 ft deep1,050 ft
- 164 ft deep1.6 mi
For fishing, swimming and diving
- Shore fishing. Deep water close in: about 10 ft just 330 ft out. Good for casting from rocks, jetties or the beach itself; current and surf hit harder here.
- Swimming. The bottom drops quickly near the shore and you are soon out of your depth. Keep an eye on kids and weak swimmers.
- Diving. Shore diving works here: 33 ft at 650 ft and 66 ft at 1,050 ft from shore.
Rough estimate: here the data comes in cells of about 0.3 mi and misses details near shore (rocks, sandbars, small coves).
Source: NOAA ETOPO 2022 (CC0), cells of about 0.3 mi; depth below mean sea level. For reference only: not for navigation or anchoring.
Nearest lighthouse
Farol da Barra 1.5 mi west
- Light
- Light, on and off for equal times, every 30 s, alternating white, white and red · Al.Iso WWR 30s
- Range
- 38 nautical miles (44 mi)
- Light height
- 128 ft above sea level
- Tower height
- 72 ft
Other lighthouses nearby: Monte Serrat Light (5.7 mi north).
Light details: NGA List of Lights (USA); the rest from Wikidata. For reference only: not for navigation. Wikipedia · Wikidata · Sources and licenses
Tides near Ondina BeachTides nearby
- Vitória1.5 mi
- Salvador2.8 mi
- Vera Cruz7.5 mi
- Itaparica14 mi
- Lauro de Freitas15 mi
- Simões Filho17 mi
- Salinas da Margarida20 mi
- Madre de Deus20 mi
- Candeias24 mi
- Saubara26 mi
Ondina Beach at a glance
- Beach. Coordinates: 13.011° S, 38.510° W.
- It is 2.8 mi southwest of Salvador, the main place in Bahía. The sun rises at the same time and sets at the same time than in Salvador.
- 2.8 mi from Salvador.
- The nearest tide station, Salvador, is 2.7 mi to the north.
- Its coast faces south.
- Beaches and harbors nearby: Praia da Paciência (0.9 mi), Praia do Rio Vermelho (1.2 mi), Farol da Barra (1.4 mi), Porto da Barra Beach (1.6 mi).
Questions about Ondina BeachQuestions
Where is Ondina Beach?
2.8 mi from Salvador, in Bahía (Brazil). The shore faces south.
What amenities does Ondina Beach have?
According to OpenStreetMap: parking. Some may be missing or out of date, so ask at the beach.
What time is high tide today in Ondina Beach?
Today in Ondina Beach there are high tides at 5:48 am (6.8 ft) and 6:02 pm (6.4 ft) and low tide at 11:43 am. Tide coefficient 84.
What time is sunset today in Ondina Beach?
At 5:34 pm. There is light until the end of civil twilight, at 5:56 pm.
What time is sunrise tomorrow in Ondina Beach?
At 5:01 am. First light comes at 4:14 am.
What phase is the moon today?
Waning gibbous, 84% illuminated. New moon on Mon, Nov 9 · 4:03 am.
When are the next spring tides?
From November 9 to 11.
What are today's solunar periods?
Major 1:06–3:06 am, Minor 7:22–8:22 am, Major 1:39–3:39 pm, Minor 8:55–9:55 pm. Today's activity is medium.
What's the weather like today in Ondina Beach?
Showers, from 75 °F to 80 °F, with a light breeze from the south (5 mph) and a 100% chance of rain.
How is the sea today in Ondina Beach?
Moderate (Douglas 4): 5.2 ft waves with a period of 7.1 s from the south-southeast. The water is 80.1 °F.
When is the best time to visit Ondina Beach?
The best time to visit Ondina Beach is from December to January and in October: highs of 83 °F to 86 °F, about 8 rainy days a month and 7 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: Salvador 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).