
Diving atUmm Usk (Egypt)
Umm Usk’s reef system features a distinctive horseshoe shape, directly influencing its underwater dynamics. Particularly within its protected lagoon, calmer conditions prevail. While open ends face south, creating an entry point for some water movement, the interior offers significant shelter. Isolated coral formations at the southern tip further mitigate wave action, establishing a reliable sanctuary. Divers generally anticipate a serene environment inside, though venturing beyond this sheltered area to outer walls may introduce noticeable southerly currents.
Tonight's objective overview for Umm Usk shows an air temperature of 28°C. The measured surface conditions include wave heights around 0.2 m. This environmental data is logged for the close of the day.
Dive Site Location & Key Facts
Everything you need to know about this dive site.
Dive Site Overview
Umm Usk, known locally as Onghosh, offers a versatile diving experience within its prominent horseshoe-shaped reef. Its open ends face south, creating a large, protected lagoon ideal for varied scenarios.
Divers frequently choose this site for night dives, utilizing secure overnight mooring points inside the lagoon's generally benign environment.
Additionally, it functions effectively for confined water training, particularly for less experienced individuals, and is a noted area for dolphin observation. Max depth for recreational divers reaches 40 m (130 ft) in deeper sections, though the sheltered lagoon averages about 9 m (30 ft).
Visibility consistently extends to 30 m (100 ft), providing clear views of extensive coral structures and marine life. One common dive plan involves transitioning from the protected lagoon to the eastern side, where the reef descends to an initial ledge around 18-20 m (59-66 ft). While more exposed, this section holds significant interest.
Umm Usk
Conditions are Good
Best Dive Window
07:00 - 14:00
Optimal conditions expected
Current conditions near Umm Usk show 28° air, 26° sea temperature, 0.7 m waves, and 30 km/h wind. Forecast data is refreshed regularly to ensure accuracy.
Best Time to Dive
Divers planning a visit to Umm Usk will find favorable conditions year-round, making it a flexible destination for dive excursions. Water temperatures are consistently warm, ranging from 22-28°C (71-82°F) throughout the year. Air temperatures also contribute to comfortable surface intervals, averaging from approximately 19.5°C (67°F) in February to a peak of about 30.5°C (87°F) in August. Rainfall is minimal across all months, with only negligible amounts reported, ensuring clear skies for most of the year. While summer months bring warmer air, the stable water temperatures and typically calm conditions within the lagoon provide a pleasant experience regardless of the season.
PEAK SEASON SCORE
Scores combine air & water temps, waves, wind & rainfall for overall conditions.
BEST MONTHS TO DIVE
Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.
Dive Experience & Conditions
Mooring typically occurs within Umm Usk's protected lagoon, establishing a secure base for exploration. Divers aiming for the outer reef, especially the southeast side, often utilize a dinghy transfer. Outside the lagoon, dives commonly follow a counterclockwise path around the coral ring. One finds a section on the east side where the reef gently slopes downward, revealing a first significant ledge at around 18-20 m (59-66 ft). Visibility across the site generally extends to 30 m (100 ft), offering clear viewing. While the lagoon provides extremely calm conditions, exploring exposed outer reef areas requires awareness of potential southerly currents; divers should maintain proximity to the reef wall. Shallower areas inside the lagoon, at depths near 9 m (30 ft), accommodate all experience levels, including beginner training and night dives.
Dive Difficulty & Safety Guidelines
Navigating Umm Usk's varied underwater terrain requires understanding its distinct zones. An inner lagoon provides a highly protected environment, largely impervious to challenging weather or significant currents; it's ideal for introductory dives or confined water training. For exploring the more exposed outer reef, especially its southeast portion, assessing sea conditions carefully is an expert tip; this area is primarily recommended in good weather. When currents are present on outer walls, they tend to come from the south. Divers should always plan to stay close to the reef wall to manage potential drift and ensure an efficient dive profile. Regular buddy checks and maintaining awareness of your dive team's position relative to the reef contribute to a safe dive experience.
Recommended Equipment
Current and surface separation risk. Local briefing strongly recommended.
- Dive Computer
- DSMB
- Reel / Spool
This gear list is based on verified equipment signals for Umm Usk, Egypt. Always confirm final gear choices with your dive operator, guide, or liveaboard.
Recommended Dive Suit
Experienced divers often bring flexible gear options.
The water around Umm Usk is currently holding at approximately 26°C (79°F), setting the tone for today's dives. Surface air temperatures are resting at 28°C (82°F). Divers who spend longer periods underwater often choose 2-3mm shorty or light wetsuit. Consider warmer surface protection (like a boat coat) due to brisk winds.
Current forecasts indicate relatively stable conditions for the coming days.
Due to technical issues with our weather providers, data hasn't been fetched for over 48 hours. The data above reflects the conditions at the time of the last successful fetch.
Emergency & Medical Support
Essential information to help you plan your dive trip to Umm Usk.

Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.
Before diving, it's recommended to:
- confirm nearest medical facilities
- check emergency procedures with local dive operators
- ensure dive insurance covers evacuation if required
Divers Alert Network
Diving emergency assistance available through DAN Europe.
+39 0642115685- 24/7 emergency hotline
- Diving medical assistance
- Evacuation coordination
Emergency contacts are provided for reference. Always verify local emergency services before diving.
Marine Life at Umm Usk
Umm Usk's waters consistently present diverse marine encounters. Extensive coral structures serve as thriving habitats for various reef fish. Within its protected lagoon, resident bottlenose dolphins are frequently noted; when undisturbed, they can be observed engaging in natural behaviors. Beyond localized populations, larger species such as sharks, whales, and turtles are common sightings across the reef system. Vibrant reef walls, especially in deeper sections, host abundant life, from intricate invertebrates to schooling fish.
Dive Sites Near Umm Usk
View all dive sites in EgyptDiscover more underwater gems in this area.
Dive Centers Near Umm Usk
Working Hours
Today: Open 24 hours
Scuba World
Funnydivers Diving Center
Diamond Red Sea
Classic Red Sea Diving Center
Scuba Diving Hurghada Diving School
New Son Bijou Diving Center
Sundlex Diving Centre
Nearest Airports
Nearest airports to help plan travel to this dive area.
Search Flights
Check available flights and routes on Expedia, using the nearby airports listed in this section.
Search Flights on ExpediaFrequently Asked Questions
What is the maximum depth at Umm Usk?
Maximum depth recorded at Umm Usk reaches 40 m (130 ft) in its deeper, more exposed sections. However, a protected lagoon typically offers depths around 9 m (30 ft), suitable for a wider range of diver experiences.
Is Umm Usk suitable for beginner divers?
Yes, Umm Usk is suitable for divers of all experience levels. A calm, protected lagoon is particularly well-suited for confined water training and less experienced divers, offering shallow depths and minimal currents.
Are night dives possible at Umm Usk?
Umm Usk is considered an excellent site for night dives. Safe overnight mooring opportunities within the lagoon, combined with calm conditions, make it an ideal location for exploring nocturnal marine life.
Can I expect to see dolphins at Umm Usk?
Umm Usk's lagoon is known for its resident bottlenose dolphins. While sightings are frequent, their presence can vary, and responsible interaction guidelines should always be followed to avoid disturbing them.
What are the typical water temperatures?
Water temperatures at Umm Usk are consistently warm throughout the year, typically ranging between 22-28°C (71-82°F). This allows for comfortable diving in various wetsuit thicknesses.
Are there strong currents at Umm Usk?
Umm Usk's inner lagoon is generally calm and protected from strong currents. When diving on outer reef walls, especially on the southeast side, southerly currents can be present. Divers should maintain proximity to the reef in such conditions.
Planning to dive Umm Usk?
Send one inquiry and receive offers directly from the best verified local dive operators.
Umm Usk
Conditions are Good
Best Dive Window
07:00 - 14:00
Optimal conditions expected
Current conditions near Umm Usk show 28° air, 26° sea temperature, 0.7 m waves, and 30 km/h wind. Forecast data is refreshed regularly to ensure accuracy.













