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Pirai Water temperature and marine forecast

Brazil Rio de Janeiro state 22.6°S · 43.9°W

Water — key insights

Water overview for Pirai, Rio de Janeiro state, Brazil (7-day window starting 27 Jul).

  • Maximum water temperature on 27 Jul: 22°C (71°F).
  • Minimum water temperature on 28 Jul: 20°C (67°F).
  • Overall trend for the next 7 days: stable water temperature.
  • Today’s highest significant wave height around 01:00: 0.70 m.
  • Today’s average water visibility: 10.0 km.

The summary reflects current and expected changes in water temperature, visibility and wave conditions for the coming days.

Today Comfortable
22°
Pleasant for swimming
Visibility
7.2 km
Wind
1 m/s ESE
Humidity
28%
Pressure
761 mmHg

Water temperature · 7 days

Pirai · average temperature and min/max range per day

MON
27.07
21.6°
TUE
28.07
19.6°
WED
29.07
19.6°
THU
30.07
19.6°
FRI
31.07
19.6°
SAT
01.08
20.8°
19.6° — 21.6°
SUN
02.08
20.9°
19.6° — 21.6°

Marine weather

Pirai, Brazil

High and low tides — 7-day forecast

High Tide Low Tide
Day range: +0.36 … +1.55 m
High Tide
02:14 AM
+1.25 m
Low Tide
07:35 AM
+0.36 m
High Tide
02:54 PM
+1.55 m
Low Tide
08:14 PM
+0.57 m

Wave height

Max: 0.7 m

Wave — a disturbance of the water surface caused by an external force (such as wind or motion); it consists of crests and troughs and travels across the surface, transferring energy.

12 AM
0.50 m
1 AM
0.70 m
2 AM
0.60 m
3 AM
0.50 m
4 AM
0.60 m
5 AM
0.60 m
6 AM
0.60 m
7 AM
0.50 m
8 AM
0.40 m
9 AM
0.30 m
10 AM
0.30 m
11 AM
0.40 m
12 PM
0.30 m
1 PM
0.40 m
2 PM
0.50 m
3 PM
0.50 m
4 PM
0.50 m
5 PM
0.40 m
6 PM
0.40 m
7 PM
0.40 m
8 PM
0.40 m
9 PM
0.40 m
10 PM
0.40 m
11 PM
0.40 m

Swell height, direction and period

Max: 1.4 m

Swell — long, smooth waves that persist on the water surface after the wind has died down or that have traveled from a distant disturbance; they move steadily and evenly across the surface.

12 AM
1.40 m
S 12s
1 AM
1.20 m
S 8s
2 AM
1.20 m
S 9s
3 AM
1.30 m
S 12s
4 AM
1.20 m
S 9s
5 AM
1.20 m
S 8s
6 AM
1.20 m
S 9s
7 AM
1.20 m
S 8s
8 AM
1.10 m
S 8s
9 AM
1.10 m
S 8s
10 AM
1.10 m
S 8s
11 AM
1.10 m
S 8s
12 PM
1.10 m
S 8s
1 PM
1.10 m
S 8s
2 PM
1.10 m
SSE 8s
3 PM
1.10 m
SSE 8s
4 PM
1.10 m
SSE 8s
5 PM
1.00 m
SSE 8s
6 PM
1.00 m
SSE 8s
7 PM
1.00 m
SSE 8s
8 PM
1.00 m
SSE 8s
9 PM
1.00 m
SSE 8s
10 PM
1.00 m
SSE 8s
11 PM
1.00 m
SSE 8s

Pirai (Brazil). Interactive weather map with switchable layers: temperature, precipitation, wind, and pressure. Coordinates: -22.63°, -43.90°.