Sudan

Best Time to Dive in Sudan

19.73°N 37.44°E

Dive it September to November for the best conditions. We have no reliable wildlife season for this site.

Best time
Sep–Nov
Water
2632 °C
Visibility
1025 m
Dived from
liveaboard
Tidal range
0.10.1 m

Where it is

Sudan
25 kmN

111 km across · coastline from Natural Earth 10m

Diving in Sudan — monthly breakdown

Best months at this destination

A year of scuba diving conditions at a glance. Hover a month to isolate it.

Month by month conditions, water temperature, visibility and marine life
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember
ConditionsPoorPoorPoorGoodExcellentGoodModerateModerateGoodExcellentGoodPoor
Water temp (°C)262626282930313232313028
Visibility (m)152515251020102010201020152510201525152515251525
Marine lifeNo dataNo dataNo dataNo dataNo dataNo dataNo dataNo dataNo dataNo dataNo dataNo data
Best timePeakPeakPeak
Excellent Good Moderate PoorPeak season Sep–Nov

Long-term averages, 2016–2025. Visibility is estimated from satellite chlorophyll-a. Water temperature is the surface mean; it is cooler at depth.

The Sudan diving season

4 seasons

April to June · Shoulder season

3 months
Water temperature
2830 °C
Visibility
1020 m
Rain
0 days a month

Diving conditionsSeas are usually flat. It rains less. The wind eases.

July to August · Shoulder season

2 months
Water temperature
3132 °C
Visibility
1525 m
Rain
0 days a month

Diving conditionsIt rains less. The sea is calmer.

September to November · Peak season

3 months
Water temperature
3032 °C
Visibility
1525 m
Rain
5 days a month

Diving conditionsSeas are usually flat. It rains more. The wind eases.

December to March · Off season

4 months
Water temperature
2628 °C
Visibility
1525 m
Rain
5 days a month

Diving conditionsThe sea is rougher. The wind is up.

  • Water temperature is satellite sea-surface temperature, so expect it cooler below the thermocline.
  • Visibility is estimated from satellite chlorophyll-a.

Sudan water temperature and weather

10 years of sea temperature

Water & weather

Sudan water temperature by month

The dashed line is the monthly average. Eight days in ten fall inside the band.

242628303234JanFebMarAprMayJunJulAugSepOctNovDecSea temperature (°C)

10th to 90th percentile rangemonthly mean

Rarely
rough enough to cancel

Seas top 2.5 m on under 1% of days. Enough to cancel a liveaboard crossing

1
blowy days a month

Gusts over 40 km/h, about where a day boat stays in port

3
wet days a month

0 of them bring heavy rain

Monthly sea state, wind, rain, air temperature and daylight
MonthSwellGusts over 40 km/hWet daysHeavy rainAirDaylight
January1.6 m15%8025 °C10.9 h
February1.7 m16%2025 °C11.4 h
March1.7 m7%0026 °C11.9 h
April1.2 m4%0028 °C12.5 h
May1.3 m2%0030 °C12.9 h
June0.8 m1%0033 °C13.2 h
July0.7 m2%0034 °C13.1 h
August0.8 m2%0034 °C12.7 h
September1.0 m0%0033 °C12.1 h
October0.9 m0%2031 °C11.5 h
November1.0 m2%13129 °C11.0 h
December1.4 m7%12027 °C10.8 h

Swell is the rough end of the month: nine days in ten come in under it. Sea temperature covers 10 years, waves 4.

Pick your week

48 weeks from the daily record. Darker is better, against this site's own year. Pick a month for the detail.

Conditions by week, four weeks per month
Week 1January week 1: PoorFebruary week 1: PoorMarch week 1: ModerateApril week 1: ModerateMay week 1: ExcellentJune week 1: GoodJuly week 1: GoodAugust week 1: PoorSeptember week 1: GoodOctober week 1: ExcellentNovember week 1: ExcellentDecember week 1: Moderate
Week 2January week 2: PoorFebruary week 2: PoorMarch week 2: ModerateApril week 2: ModerateMay week 2: ExcellentJune week 2: ExcellentJuly week 2: GoodAugust week 2: ModerateSeptember week 2: GoodOctober week 2: ExcellentNovember week 2: GoodDecember week 2: Moderate
Week 3January week 3: PoorFebruary week 3: PoorMarch week 3: PoorApril week 3: ExcellentMay week 3: ExcellentJune week 3: GoodJuly week 3: ModerateAugust week 3: GoodSeptember week 3: GoodOctober week 3: ExcellentNovember week 3: ModerateDecember week 3: Poor
Week 4January week 4: ModerateFebruary week 4: ModerateMarch week 4: PoorApril week 4: ExcellentMay week 4: GoodJune week 4: GoodJuly week 4: PoorAugust week 4: ModerateSeptember week 4: ExcellentOctober week 4: GoodNovember week 4: ModerateDecember week 4: Poor
Excellent Good Moderate PoorBest week to go: first of October

October, week by week

WeekConditionsWaterSwellWindRain chance
Week 1Excellent31 °C0.8 m20 km/h0%
Week 2Excellent31 °C0.9 m19 km/h1%
Week 3Excellent31 °C0.9 m20 km/h7%
Week 4Good31 °C0.9 m20 km/h22%

10 years of daily records, averaged into weeks.

Gear & storms

What to wear

Off the coldest water of each month, not the average — that is what the suit has to cope with.

Wetsuit thickness by month
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember
SuitJanuary: 3 mmFebruary: 3 mmMarch: 3 mmApril: 3 mmMay: skinJune: skinJuly: skinAugust: skinSeptember: skinOctober: skinNovember: skinDecember: 3 mm
  • Dec–Apr3 mm full suit
  • May–Novskin or 3 mm shorty

Swell through the year

The rough end of each month — nine days in ten come in under it.

JanJanuary: 1.6 metresFebFebruary: 1.7 metresMarMarch: 1.7 metresAprApril: 1.2 metresMayMay: 1.3 metresJunJune: 0.8 metresJulJuly: 0.7 metresAugAugust: 0.8 metresSepSeptember: 1.0 metresOctOctober: 0.9 metresNovNovember: 1.0 metresDecDecember: 1.4 metres

Amber is over 2.5 m.

Tides

springs 0.2 mneaps 0.0 mneapsone lunar month
Daily tidal range across one lunar month.

Tropical storms

No tropical storm has come within 250 km in 30 years of records. Swell and wind set the season, not cyclones.

  • NOAASea surface temperature, from OISST and MUR
  • ERA5Wind, waves, rain and air temperature, via Open-Meteo
  • OBISMarine species records within 60 km
  • IBTrACSTropical cyclone tracks, 1996 to 2025

Sudan marine life — what you'll see diving

0 records within 60 km

Only 0 records have been logged within 60 km. A thin record is not an empty reef.

No survey records within 60 km of this site.

Observed window
Months with records. Peak is where most of them fall.
Reliability
  • Near-guaranteed in 60% of surveyed years or more
  • Likely 30% to 60%
  • Hit-or-miss under 30%
Evidence
Years it was seen, out of the years anyone surveyed.
Records
OBIS sightings within 60 km.

These are sightings people logged, not a full survey of the reef. A species missing from a month may just mean nobody recorded one.

Diving Sudan — common questions

When is the best time to dive Sudan?
Dive it September to November for the best conditions. We have no reliable wildlife season for this site.
When is the diving season in Sudan?
The diving season in Sudan runs September to November.
Is the diving in Sudan good for beginners?
It is better with some experience. It suits Advanced Open Water divers or equivalent, so newer divers should ask the local operator which sites fit their level.
How warm is the water in Sudan?
Between 26 and 32 °C at the surface across the year, coldest in February and warmest in August. It runs cooler below the thermocline.
What wetsuit do I need in Sudan?
A 3 mm full suit covers the coldest water of the year. In the warmest months a skin or 3 mm shorty is enough.
What is the visibility like in Sudan?
Roughly 10 to 25 m depending on the month. That is estimated from satellite chlorophyll-a rather than measured in the water.
Does Sudan get tropical storms?
No. None has passed within 250 km in 30 years of records.
Is there current in Sudan?
The tide rises and falls 0.1 m around the full and new moon, against 0.1 m in between. How much of that becomes current depends on the shape of the channel.
When should I avoid Sudan?
January–February are the weakest months for conditions.
How do you dive Sudan?
Mostly from liveaboards. Trips run through the season, Sep–Nov.