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Piraeus (Athens) · Attica · greece

Tide is currently falling — next low at 08:00

-0.52 m
Next high · 15:00 EEST
Heights relative to MSL · 2026-04-27Solunar 3/5
TIDE CURVE

Next 24 hours at Piraeus (Athens)

-0.7 m-0.6 m-0.5 mHeight (MSL)19:0023:0003:0007:0011:0015:00L 08:00nowTime (Europe/Athens)

Predictions: Open-Meteo Marine (MeteoFrance SMOC, 0.08° grid) — heights relative to MSL (not chart datum / LAT). Model-derived.

Model-derived from a global ocean grid. Useful indication; expect about ±45 minutes on average vs. a local harmonic gauge, individual stations vary widely. See /methodology for per-region detail. Not for navigation.

TODAY'S HIGHLIGHTS

Sun, moon and conditions on Mon 27 Apr

Sunrise
06:35
Sunset
20:11
Moon
Waxing gibbous
75% illuminated
Wind
14.8 m/s
56°
Water temp
18.5 °C

Conditions as of 19:00 local time. Refreshes daily.

7-DAY OUTLOOK

Highs and lows next 7 days

Today
Tue
-0.7m08:00
Wed
Thu
-0.5m15:00
Fri
Sat
Sun
All extrema (7 days)
DayTypeTimeHeightCoef.
Tue 28 AprLow08:00-0.7m
Thu 30 AprHigh15:00-0.5m

Predictions: Open-Meteo Marine (MeteoFrance SMOC, 0.08° grid) — heights relative to MSL (not chart datum / LAT). Model-derived. · Not for navigation.

SOLUNAR FORECAST

Fishing windows · 7-day rating

The angler tradition that rates each day for fish-bite likelihood using moon transits and rise/set. One to five stars, not a scientific forecast.

EDITORIAL

About tides at Piraeus (Athens)

Piraeus is the port of Athens — the busiest passenger harbour in the Mediterranean and the gateway to the Saronic Gulf island chain that runs south-east toward the Cyclades. The tide here is the smallest astronomical signal you will plan a day around anywhere outside the central tropics: mean range at Piraeus is about 0.15 metres, with spring tides reaching close to 0.25. Most days the lunar tide barely shows in the gauge above the noise from pressure changes and wind setup. The eastern Mediterranean is even more enclosed than the western basin — the Atlantic tide cannot propagate through Gibraltar in any meaningful form, and the further east you go from there, the smaller the residual signal becomes. What dominates day-to-day water-level variation in Piraeus is meteorological: passing weather systems shift sea level by a few centimetres on a calm day, and the meltemi etesian wind that blows hard from the north all summer produces a sustained setup against the southern coasts when the wind sets in. Sirocco events in winter can lift water levels 30 cm or more for hours. Saronic Gulf island ferries, sailing-yacht charters out of Marina Zea and Marina Alimos, and the boat-traffic surge inside the main harbour basin run more or less independently of the lunar tide. Local solunar fishing tradition for octopus, squid, and dorada survives even where the height swing itself is tiny. Open-Meteo Marine drives the gridded predictions on this page; the Hellenic Navy Hydrographic Service is the authoritative Greek tide source.

COMMON QUESTIONS

Tide questions about Piraeus (Athens)

When is the next high tide at Piraeus?
The hero block shows the next high tide at Piraeus in local Athens time (EET in winter, EEST in summer). The 7-day table covers all daily extremes — though for the Aegean the swing is small enough that the difference between consecutive extremes can be smaller than the gridded model resolution on quiet days. Use the table as an indicator, not a precision schedule.
Why is the tide so small in Greece?
The eastern Mediterranean is one of the most enclosed seas on the planet — the Atlantic tide cannot propagate through the Strait of Gibraltar in any meaningful form, and the basin is too small to host its own significant astronomical tide. Mean range at Piraeus is about 0.15 metres; the Cyclades, Crete, and the Dodecanese all run similarly small signals. Day-to-day water level is dominated by air pressure and wind setup rather than the lunar cycle.
What is the meltemi and does it affect the tide?
The meltemi is the etesian wind — a strong, dry northerly that blows across the Aegean for much of the summer, peaking in July and August. Sustained meltemi wind builds a wind-setup signal against the southern coasts of the Aegean islands and the southern coast of Attica that can lift apparent water level by 10 to 20 cm. It does not affect the astronomical tide directly, but it dwarfs the small lunar signal during typical summer conditions.
Where do these tide predictions come from?
Open-Meteo Marine, a gridded global ocean model. For the small eastern Mediterranean signal the gridded resolution sometimes shows more numerical noise than astronomical swing — useful as an indicator, not a precision tool. For authoritative Greek tide data, the Hellenic Navy Hydrographic Service operates the official gauge network and publishes tide tables for the Aegean and Ionian coasts.
Is this safe to use for navigation?
No. For piloting in or out of Piraeus, the Saronic Gulf, or the Aegean island chain use the Hellenic Navy Hydrographic Service's authoritative tide tables, chart products, and the latest Hellenic Coast Guard notices. The meltemi wind and Aegean meteotsunamis under unusual pressure-wave conditions both override normal tidal predictions and demand wider weather attention rather than tide-table planning.

4-day tide table — Piraeus (Athens)

Heights relative to MSL. Predictions: Open-Meteo Marine (MeteoFrance SMOC, 0.08° grid) — heights relative to MSL (not chart datum / LAT). Model-derived.

DayTypeTimeHeight
Mon 27 Apr—
Tue 28 AprLow08:00-0.7m
Wed 29 Apr—
Thu 30 AprHigh15:00-0.5m

Not for navigation. Generated 2026-04-27T15:20:30.734Z.

Predictions: Open-Meteo Marine (MeteoFrance SMOC, 0.08° grid) — heights relative to MSL (not chart datum / LAT). Model-derived.
MethodologyGlossary

Not for navigation. Page generated 2026-04-27T15:20:30.734Z. Predictions refresh daily.