Red Sea

Best Time to Dive in Nuweiba / Ras Abu Galum

29.06°N 34.68°E

The reason to dive it is the Sinai east coast reefs and shore entries. Nothing about it runs to a calendar, and neither do the conditions, so any month works.

Best time
Any month
Water
2229 °C
Visibility
525 m
Dived from
day boat and shore diving
Tidal range
0.30.7 m
Species logged
4

Where it is

Red Sea
25 kmN

111 km across · coastline from Natural Earth 10m

Diving in Nuweiba / Ras Abu Galum — monthly breakdown

Conditions do not vary here

Conditions barely change across the year, so no month beats another — pick on wildlife or price.

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
ConditionsEvenEvenEvenEvenEvenEvenEvenEvenEvenEvenEvenEven
Water temp (°C)222222222426282928262524
Visibility (m)10201020515102010201525152515251525152510201020
Marine lifeSteadySteadySteadySteadySteadyBusySteadyBusyBusySteadySteadySteady
Excellent Good Moderate PoorSame all year

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

The Nuweiba / Ras Abu Galum diving season

1 seasons

Good all year

12 months
Water temperature
2229 °C
Visibility
1020 m
Rain
0 days a month

Diving conditionsSeas are usually flat.

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

Nuweiba / Ras Abu Galum water temperature and weather

113 underwater observation records · 20 surveyed years of ocean data · 10 years of sea temperature

Water & weather

Nuweiba / Ras Abu Galum water temperature by month

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

202224262830JanFebMarAprMayJunJulAugSepOctNovDecSea temperature (°C)

10th to 90th percentile rangemonthly mean

Rarely
rough enough to cancel

Seas top 1.5 m on under 1% of days. Enough to cancel a day boat

0
blowy days a month

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

0
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
January0.4 m0%1021 °C10.3 h
February0.5 m0%1023 °C11.0 h
March0.6 m0%1026 °C11.8 h
April0.5 m0%0031 °C12.7 h
May0.5 m0%0035 °C13.5 h
June0.4 m0%0039 °C13.8 h
July0.3 m0%0039 °C13.7 h
August0.4 m0%0039 °C13.0 h
September0.4 m0%0037 °C12.2 h
October0.4 m0%0033 °C11.3 h
November0.4 m0%1028 °C10.5 h
December0.4 m0%0023 °C10.2 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: ModerateFebruary week 1: ModerateMarch week 1: ModerateApril week 1: ModerateMay week 1: ModerateJune week 1: ModerateJuly week 1: ModerateAugust week 1: ModerateSeptember week 1: ModerateOctober week 1: ModerateNovember week 1: ModerateDecember week 1: Moderate
Week 2January week 2: ModerateFebruary week 2: ModerateMarch week 2: ModerateApril week 2: ModerateMay week 2: ModerateJune week 2: ModerateJuly week 2: ModerateAugust week 2: ModerateSeptember week 2: ModerateOctober week 2: ModerateNovember week 2: ModerateDecember week 2: Moderate
Week 3January week 3: ModerateFebruary week 3: ModerateMarch week 3: ModerateApril week 3: ModerateMay week 3: ModerateJune week 3: ModerateJuly week 3: ModerateAugust week 3: ModerateSeptember week 3: ModerateOctober week 3: ModerateNovember week 3: ModerateDecember week 3: Moderate
Week 4January week 4: ModerateFebruary week 4: ModerateMarch week 4: ModerateApril week 4: ModerateMay week 4: ModerateJune week 4: ModerateJuly week 4: ModerateAugust week 4: ModerateSeptember week 4: ModerateOctober week 4: ModerateNovember week 4: ModerateDecember week 4: Moderate
Excellent Good Moderate PoorBest week to go: third of October

October, week by week

WeekConditionsWaterSwellWindRain chance
Week 1Moderate27 °C0.4 m18 km/h0%
Week 2Moderate26 °C0.4 m17 km/h0%
Week 3Moderate26 °C0.4 m17 km/h0%
Week 4Moderate26 °C0.4 m16 km/h2%

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: 5 mmFebruary: 5 mmMarch: 5 mmApril: 5 mmMay: 5 mmJune: 3 mmJuly: 3 mmAugust: skinSeptember: 3 mmOctober: 3 mmNovember: 3 mmDecember: 5 mm
  • Dec–May5 mm full suit
  • Jun–Jul3 mm full suit
  • Augskin or 3 mm shorty
  • Sep–Nov3 mm full suit

Swell through the year

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

JanJanuary: 0.4 metresFebFebruary: 0.5 metresMarMarch: 0.6 metresAprApril: 0.5 metresMayMay: 0.5 metresJunJune: 0.4 metresJulJuly: 0.3 metresAugAugust: 0.4 metresSepSeptember: 0.4 metresOctOctober: 0.4 metresNovNovember: 0.4 metresDecDecember: 0.4 metres

Amber is over 1.5 m.

Tides

springs 0.7 mneaps 0.4 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

Nuweiba / Ras Abu Galum marine life — what you'll see diving

113 records within 60 km

Only 113 records have been logged within 60 km. A thin record is not an empty reef.

SpeciesWhenObserved windowReliabilityEvidenceRecords
Bluespotted ribbontail rayJun, Aug–SepNear-guaranteed
16/20
60
Hawksbill turtleAll yearNear-guaranteed
12/20
20
Ocellated eagle rayAugHit-or-miss
5/20
9
Green turtleMar–Apr, AugHit-or-miss
4/20
8
Peak Present
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 Nuweiba / Ras Abu Galum — common questions

When is the best time to dive Nuweiba / Ras Abu Galum?
Conditions barely change across the year at Nuweiba / Ras Abu Galum, so any month works — pick on wildlife or price.
When is the diving season in Nuweiba / Ras Abu Galum?
There is no real season in Nuweiba / Ras Abu Galum: conditions barely change, so you can dive any month.
Is the diving in Nuweiba / Ras Abu Galum good for beginners?
Yes. It suits Open Water divers, so it works for a first trip after certification.
How warm is the water in Nuweiba / Ras Abu Galum?
Between 22 and 29 °C at the surface across the year, coldest in March and warmest in August. It runs cooler below the thermocline.
What wetsuit do I need in Nuweiba / Ras Abu Galum?
A 5 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 Nuweiba / Ras Abu Galum?
Roughly 5 to 25 m depending on the month. That is estimated from satellite chlorophyll-a rather than measured in the water.
What will I see diving Nuweiba / Ras Abu Galum?
The most consistently recorded species are Bluespotted ribbontail ray (near-guaranteed), Hawksbill turtle (near-guaranteed) and Ocellated eagle ray (hit-or-miss), from 113 records within 60 km.
Does Nuweiba / Ras Abu Galum get tropical storms?
No. None has passed within 250 km in 30 years of records.
Is there current in Nuweiba / Ras Abu Galum?
The tide rises and falls 0.7 m around the full and new moon, against 0.3 m in between. How much of that becomes current depends on the shape of the channel.
How do you dive Nuweiba / Ras Abu Galum?
Mostly from day boats and the shore. Trips run through the season, Oct–Dec.