What will I see at Njao Gap?

Divers at Njao Gap in Tanzania commonly report sightings of Eagle ray, Napoleon wrasse, Barracuda, Reef shark, and Grouper. Barracuda and Grouper are recorded as common sightings, while Eagle ray, Napoleon wrasse, and Reef shark are reported only occasionally. Marine life varies by season and conditions—check the site page for recent diver observations and photos.

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Njao Gap

Pemba, TanzaniaDirections

Rash guard or 2mm shorty typical

Njao Gap at a glance

Njao Gap is a dive site in Pemba, Tanzania. Typically most favorable Nov–Dec · from 3 years of archive data. Divers commonly see Eagle ray, Napoleon wrasse, and Barracuda. Recent reports put the water around 27°C (81°F). Check the latest conditions and entry details before you go.

Favorable window now· until 19:00 · sunset 18:13

Forecast for this hour · 16:00 · run 8 h ago

0.8 m (2.7 ft)waves — under a meter expected (waves — about three feet expected)

Tap a factor for its source and model point · Forecast 27°C · seasonal avg 27°C ( · Forecast 81°F · seasonal avg 81°F)

Dive windows this week

Smallest waves: Sat

Sun

0.7 m waves · 8 kn wind (2.4 ft waves · 8 kn wind)

Mon

0.6 m waves · 7 kn wind (2.0 ft waves · 7 kn wind)

Tue

0.6 m waves · 5 kn wind (1.8 ft waves · 5 kn wind)

Wed

0.5 m waves · 3 kn wind (1.7 ft waves · 3 kn wind)

Thu

0.5 m waves · 3 kn wind (1.6 ft waves · 3 kn wind)

Fri

0.4 m waves · 4 kn wind (1.2 ft waves · 4 kn wind)

Sat

0.3 m waves · 3 kn wind (1.0 ft waves · 3 kn wind)

Favorable windowModerate window— no window

Every forecast dive window each day, site-local time, from wave and wind forecasts. Numbers under each bar are daylight averages.

First light 5:36 · Sunrise 5:57 · Sunset 18:13 · some windows run past sunset

Source: Open-Meteo marine · model point 6.0 km from site · updated 25 Oct, 08:25 GMT+3

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Njao Gap

Recent diver reports

Dated firsthand observations from divers — not current conditions.

No diver reports for this site yet. — one dated observation helps every diver after you.

Dived here today — did the forecast match?

What Divers Say

Known for: Barracuda, Grouper, Green turtle

Based on community reviews and site data. Conditions vary — always verify before diving.

Best months, historically

What conditions have historically been typical at this site, month by month — not a forecast.

January, 82% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 1.0 m (3.1 ft), wind has typically been 15 knots
February, 81% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 1.0 m (3.1 ft), wind has typically been 17 knots
March, 97% of days have historically been favorable, water has typically been 30°C (85°F), waves have typically been 0.6 m (2.1 ft), wind has typically been 14 knots
April, 84% of days have historically been favorable, water has typically been 29°C (85°F), waves have typically been 0.8 m (2.7 ft), wind has typically been 16 knots
May, 67% of days have historically been favorable, water has typically been 29°C (83°F), waves have typically been 1.1 m (3.5 ft), wind has typically been 18 knots
June, 72% of days have historically been favorable, water has typically been 28°C (82°F), waves have typically been 1.0 m (3.4 ft), wind has typically been 18 knots
July, 78% of days have historically been favorable, water has typically been 27°C (80°F), waves have typically been 1.0 m (3.3 ft), wind has typically been 18 knots
August, 91% of days have historically been favorable, water has typically been 26°C (79°F), waves have typically been 0.9 m (2.9 ft), wind has typically been 16 knots
September, 99% of days have historically been favorable, water has typically been 26°C (80°F), waves have typically been 0.7 m (2.3 ft), wind has typically been 15 knots
October, 97% of days have historically been favorable, water has typically been 27°C (81°F), waves have typically been 0.6 m (2.0 ft), wind has typically been 14 knots
November, 100% of days have historically been favorable, water has typically been 28°C (83°F), waves have typically been 0.5 m (1.7 ft), wind has typically been 12 knots, historically most favorable
December, 100% of days have historically been favorable, water has typically been 29°C (85°F), waves have typically been 0.7 m (2.2 ft), wind has typically been 12 knots, historically most favorable

November and December have typically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.

Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.

Marine life seen at this site

Species noted at this site — not a promise of what you’ll encounter.

Species seen here

Rough labels: “Commonly seen” usually means two or more recorded sightings near this site in public dive logs (GBIF), “Occasionally seen” one; “Seasonal” and “Rarely seen” come from dive-guide research. Not a measured rate.