Marsa Alam sea temperature today: 30°C – beach water temperature, Marsa Alam, Egypt
Egypt · Red Sea
Marsa Alam
Sea
30.3°C86.5°F
Air
UV
Bathtub
Above ⁦28°C⁩

Last updated ·

Today, September 13, the sea temperature at Marsa Alam is 30.3 °C (87 °F). That is 0.7 °C warmer than the usual 29.6 °C in September. Comfortable for swimming year-round.

Climate · monthly averages

Sea temperature by month

5-year averages (2021–2025). Min/Max are typical daily lows and highs, not record extremes.

Warmest in August (30.4°C). Coldest in March (22.9°C). Comfortable for swimming year-round.

5-year averages (2021–2025). Min/Max are typical daily lows and highs, not record extremes.
MonthSea · MinSea · AvgSea · MaxAir · MinAir · AvgAir · Max
January23.1°C23.8°C24.3°C19.3°C20.5°C21.7°C
February22.3°C23.0°C23.9°C18.8°C20.0°C21.1°C
March22.1°C22.9°C23.5°C20.8°C21.9°C22.6°C
April23.3°C23.8°C24.4°C23.7°C24.6°C25.2°C
May25.2°C25.6°C26.0°C26.3°C27.1°C27.5°C
June27.2°C27.7°C28.2°C29.0°C29.5°C29.6°C
July28.9°C29.8°C30.5°C30.6°C31.1°C30.9°C
August30.0°C30.4°C30.9°C31.4°C31.8°C31.6°C
September29.1°C29.6°C29.9°C29.8°C30.3°C30.4°C
October27.4°C28.0°C28.5°C26.9°C27.5°C27.9°C
November26.3°C27.0°C27.4°C24.1°C25.0°C25.9°C
December24.2°C25.3°C25.9°C20.9°C22.0°C23.0°C

About Marsa Alam

On Egypt's southern Red Sea coast, Marsa Alam sits beside Wadi El Gemal National Park, a 7,450-square-kilometre desert-and-reef reserve protecting marine life and Nubian ibex, while offshore the Dolphin House Reef at Sha'ab Samadai shelters a resident pod of spinner dolphins in its horseshoe lagoon. Abu Dabbab Beach to the north is known for sea turtles and grazing dugongs; Sharm El Luli to the south draws a turquoise postcard bay. Sea temperatures hold 28–29 °C82–84 °F from July through September and stay above 23 °C73 °F year-round; the airport is one hour by road.

Frequently asked questions

Today, September 13, the sea at Marsa Alam is 30.3 °C (87 °F)87 °F (30.3 °C) – bathtub-warm. The usual September average is 29.6 °C85 °F.

No single number works for everyone, so the scale on this page is only a guide to how the water feels: below 13 °C55 °F icy, 13–18 °C55–64 °F cold, 18–23 °C64–73 °F refreshing, 23–28 °C73–82 °F pleasantly warm and above 28 °C82 °F like a bath. Right now the sea at Marsa Alam is 30.3 °C87 °F.

Yes – the sea at Marsa Alam (Red Sea, Egypt) stays swimmable all year. March is the coolest month, averaging 22.9 °C73 °F – refreshing, good for a short swim; the warmest is August at 30.4 °C87 °F.

In August, at 30.4 °C87 °F on average. The coolest month is March at 22.9 °C73 °F – still above the 18 °C64 °F swimming line, so there is no off-season for swimming.