NOAA SATELLITE DATA (1991–2020 30-YEAR CLIMATOLOGY)
HR

Croatia Sea Temperature in August

Historical 30-year sea surface temperatures across 71 coastlines in Croatia for August. Derived from NOAA 0.25° blended satellite and in-situ marine observations.

Climatology Notice: Temperatures represent the 30-year long-term historical average (1991–2020 normal), not a live single-day sensor forecast.
Bathing Climatology Gauge · Croatia (August)
NOAA OISST v2.1 (0.25° Marine Grid)
25.2°C
Warm Bathwater
Mean sea surface temperature across 71 monitored coastlines
Swimmability Verdict
Effortless Prolonged Bathing
Warmest Coastline
Coldest Surveyed Shore
Swimmable Ratio (≥21°C)
100% of surveyed coasts71/71

Croatia’s primary swimming window runs from 4 Jun to 7 Oct (~124 days/year). August represents the annual thermal zenith at 25.2°C.

Plan Your August Trip to Croatia

Compare verified coastal accommodation and transport options across Croatia.

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Warmest Swimming Bases in Croatia (August)

The top 3 coastlines holding highest water temperatures based on 30-year NOAA climatology.

NOAA OISST v2.1
#1 Warmest

Bellevue Beach

Dubrovnik (Miramare Bay)
26.0°C
#2 Warmest

Kupari Beach

Dubrovnik Riviera (Župa Dubrovačka)
26.0°C
#3 Warmest

Vučine Beach

Pelješac Peninsula
25.8°C

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Adriatic Karst Inflows & Island Archipelago Circulation

The eastern Adriatic coast features deep karst topography with submerged freshwater springs (vrulje) that discharge cold mountain runoff into select coves. However, protected channels between the Dalmatian islands (Hvar, Brač, Korčula) trap summer solar heat, yielding comfortable 24.5–25.0°C August bathing temperatures.

Oceanographic Phenomenon:Subterranean Vrulja Springs & Island Shelter
Thermal Lag Characteristic:Moderate Adriatic thermal lag: the shallow basin warms rapidly in June and cools faster in late autumn under the influence of cold northeasterly Bora winds.
Peak Bathing Average:August (24.8°C)
Statutory Tourism Sources:
ston.hrcroatia.hrvisitmurter.comtz-komiza.hrmljet.hr

Croatia Beaches in August

Individual coordinate lookups from NOAA 0.25° marine grid.

Showing 71 coastlines
Bellevue Beach
#1 in August
26.0°C
Croatia flagDubrovnik (Miramare Bay), Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
19.8°
J
23.6°
J
25.7°
A
26.0°
S
24.1°
O
21.0°
N
17.8°
Kupari Beach
#2 in August
26.0°C
Croatia flagDubrovnik Riviera (Župa Dubrovačka), Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
19.8°
J
23.6°
J
25.7°
A
26.0°
S
24.1°
O
21.0°
N
17.8°
Vučine Beach
#3 in August
25.8°C
Croatia flagPelješac Peninsula, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.9°
J
23.2°
J
25.4°
A
25.8°
S
23.8°
O
20.8°
N
17.8°
Slanica Beach
#4 in August
25.8°C
Croatia flagŠibenik-Knin (Murter), Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.9°
J
23.2°
J
25.4°
A
25.8°
S
23.8°
O
20.8°
N
17.8°
Podvrške Beach
#5 in August
25.8°C
Croatia flagŠibenik-Knin (Murter), Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.9°
J
23.2°
J
25.4°
A
25.8°
S
23.8°
O
20.8°
N
17.8°
Porat Beach (Biševo)
#6 in August
25.8°C
Croatia flagVis Archipelago (Biševo), Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.9°
J
23.2°
J
25.4°
A
25.8°
S
23.8°
O
20.8°
N
17.8°
Lučišća Beach
#9 in August
25.8°C
Croatia flagHvar Island, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.9°
J
23.2°
J
25.4°
A
25.8°
S
23.8°
O
20.8°
N
17.8°
Mokalo Beach
#10 in August
25.8°C
Croatia flagPelješac Peninsula, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.9°
J
23.2°
J
25.4°
A
25.8°
S
23.8°
O
20.8°
N
17.8°
Murvica Beach
#11 in August
25.8°C
Croatia flagBrač Island, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.9°
J
23.2°
J
25.4°
A
25.8°
S
23.8°
O
20.8°
N
17.8°
Sunj Beach
#12 in August
25.8°C
Croatia flagLopud, Elaphiti Islands, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.5°
J
22.5°
J
24.8°
A
25.8°
S
23.6°
O
20.9°
N
18.4°
Soline Beach
#13 in August
25.8°C
Croatia flagZadar (Biograd na Moru), Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.9°
J
23.2°
J
25.4°
A
25.8°
S
23.8°
O
20.8°
N
17.8°
Zaglav Beach
#14 in August
25.8°C
Croatia flagVis Island, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.9°
J
23.2°
J
25.4°
A
25.8°
S
23.8°
O
20.8°
N
17.8°
Pupnatska Luka
#16 in August
25.8°C
Croatia flagKorčula Island, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.9°
J
23.2°
J
25.4°
A
25.8°
S
23.8°
O
20.8°
N
17.8°
Lovrečina Bay
#17 in August
25.8°C
Croatia flagBrač Island, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.9°
J
23.2°
J
25.4°
A
25.8°
S
23.8°
O
20.8°
N
17.8°
Sveti Jakov Beach
#18 in August
25.8°C
Croatia flagDubrovnik-Neretva, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.9°
J
23.2°
J
25.4°
A
25.8°
S
23.8°
O
20.8°
N
17.8°
Zaraće Beach
#20 in August
25.8°C
Croatia flagHvar Island, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.9°
J
23.2°
J
25.4°
A
25.8°
S
23.8°
O
20.8°
N
17.8°
Pasjača Beach
#21 in August
25.8°C
Croatia flagKonavle, near Dubrovnik, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.6°
J
22.5°
J
24.9°
A
25.8°
S
23.6°
O
21.0°
N
18.5°
Pokonji Dol
#23 in August
25.8°C
Croatia flagHvar Island, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.9°
J
23.2°
J
25.4°
A
25.8°
S
23.8°
O
20.8°
N
17.8°
Copacabana Beach
#24 in August
25.8°C
Croatia flagBabin Kuk, Dubrovnik, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.6°
J
22.5°
J
24.9°
A
25.8°
S
23.6°
O
21.0°
N
18.5°
Banje Beach
#25 in August
25.8°C
Croatia flagDubrovnik, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.6°
J
22.5°
J
24.9°
A
25.8°
S
23.6°
O
21.0°
N
18.5°
Tučepi Beach
#26 in August
25.8°C
Croatia flagMakarska Riviera (Tučepi), Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
19.6°
J
23.5°
J
25.5°
A
25.8°
S
23.8°
O
20.6°
N
17.4°
Saplunara Beach
#27 in August
25.7°C
Croatia flagMljet, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.4°
J
22.4°
J
24.7°
A
25.7°
S
23.5°
O
20.9°
N
18.3°
Podrače Beach
#28 in August
25.6°C
Croatia flagSplit-Dalmatia (Brela / Makarska Riviera), Croatia, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.8°
J
22.5°
J
24.8°
A
25.6°
S
23.8°
O
20.5°
N
17.5°
Mulini Beach
#29 in August
25.6°C
Croatia flagRovinj, Istria, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
17.7°
J
22.2°
J
24.8°
A
25.6°
S
22.9°
O
19.6°
N
16.6°
Kašjuni Beach
#30 in August
25.4°C
Croatia flagSplit (Marjan Forest Park), Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
19.3°
J
23.1°
J
25.1°
A
25.4°
S
23.5°
O
20.3°
N
17.1°
Velika Raduča Beach
#31 in August
25.3°C
Croatia flagŠibenik-Knin (Primošten), Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
19.1°
J
22.9°
J
25.0°
A
25.3°
S
23.3°
O
20.1°
N
16.9°
Ciganka Sand Cove
#32 in August
25.2°C
Croatia flagRab Island, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
17.8°
J
22.4°
J
24.8°
A
25.2°
S
22.6°
O
19.1°
N
15.6°
Potošće Beach
#33 in August
25.2°C
Croatia flagKrk Island, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
17.8°
J
22.4°
J
24.8°
A
25.2°
S
22.6°
O
19.1°
N
15.6°
Čikat Bay
#35 in August
25.2°C
Croatia flagLošinj Island, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
17.8°
J
22.4°
J
24.8°
A
25.2°
S
22.6°
O
19.1°
N
15.6°
Divna Beach
#36 in August
25.2°C
Croatia flagPelješac Peninsula, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.3°
J
22.2°
J
24.4°
A
25.2°
S
23.3°
O
21.0°
N
18.6°
Girandella Beach
#37 in August
25.2°C
Croatia flagIstria (Rabac), Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
17.8°
J
22.4°
J
24.8°
A
25.2°
S
22.6°
O
19.1°
N
15.6°
Lone Bay
#39 in August
25.2°C
Croatia flagIstria, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
17.8°
J
22.4°
J
24.8°
A
25.2°
S
22.6°
O
19.1°
N
15.6°
Valdarke Bay
#40 in August
25.2°C
Croatia flagLošinj Island, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
17.8°
J
22.4°
J
24.8°
A
25.2°
S
22.6°
O
19.1°
N
15.6°
Sveti Marak Beach
#41 in August
25.2°C
Croatia flagKrk Island, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
17.8°
J
22.4°
J
24.8°
A
25.2°
S
22.6°
O
19.1°
N
15.6°
Valun Beach (Raca)
#42 in August
25.2°C
Croatia flagCres Island, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
17.8°
J
22.4°
J
24.8°
A
25.2°
S
22.6°
O
19.1°
N
15.6°
Medveja Beach
#43 in August
25.2°C
Croatia flagKvarner (Opatija Riviera), Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
17.8°
J
22.4°
J
24.8°
A
25.2°
S
22.6°
O
19.1°
N
15.6°
Vela Pržina
#45 in August
25.1°C
Croatia flagLumbarda, Korčula, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.2°
J
22.1°
J
24.3°
A
25.1°
S
23.2°
O
21.0°
N
18.6°
Bijeca Beach
#46 in August
25.1°C
Croatia flagMedulin, Istria, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
17.3°
J
21.6°
J
24.3°
A
25.1°
S
22.4°
O
19.6°
N
16.8°
Rt Kamenjak
#47 in August
25.1°C
Croatia flagPremantura, Istria, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
17.3°
J
21.6°
J
24.3°
A
25.1°
S
22.4°
O
19.6°
N
16.8°
Trstenica
#49 in August
25.1°C
Croatia flagOrebić, Pelješac, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.2°
J
22.1°
J
24.3°
A
25.1°
S
23.2°
O
21.0°
N
18.6°
Lojena Beach
#50 in August
25.1°C
Croatia flagKornati National Park (Levrnaka), Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
19.0°
J
22.8°
J
24.9°
A
25.1°
S
23.2°
O
20.0°
N
16.8°
Sakarun
#51 in August
25.0°C
Croatia flagDugi Otok, Zadar, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
17.7°
J
21.7°
J
24.3°
A
25.0°
S
22.8°
O
20.2°
N
17.7°
Proizd
#52 in August
25.0°C
Croatia flagnear Vela Luka, Korčula, Croatia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
18.1°
J
22.0°
J
24.3°
A
25.0°
S
23.0°
O
20.8°
N
18.5°
Stiniva Cove
#53 in August
24.9°C
Croatia flagVis, Croatia
● Pleasant & Comfortable
NOAA Season Curve (May–Oct):
M
17.9°
J
21.8°
J
24.2°
A
24.9°
S
22.8°
O
20.6°
N
18.3°
Srebrna Beach
#54 in August
24.9°C
Croatia flagRukavac, Vis, Croatia
● Pleasant & Comfortable
NOAA Season Curve (May–Oct):
M
17.9°
J
21.8°
J
24.2°
A
24.9°
S
22.8°
O
20.6°
N
18.3°
Zlatni Rat
#55 in August
24.8°C
Croatia flagBrač, Croatia
● Pleasant & Comfortable
NOAA Season Curve (May–Oct):
M
18.0°
J
21.9°
J
24.2°
A
24.8°
S
23.0°
O
20.9°
N
18.6°
Dubovica
#56 in August
24.8°C
Croatia flagHvar Island, Croatia
● Pleasant & Comfortable
NOAA Season Curve (May–Oct):
M
18.0°
J
21.9°
J
24.2°
A
24.8°
S
23.0°
O
20.9°
N
18.6°
Palmižana
#57 in August
24.8°C
Croatia flagPakleni Islands, Hvar, Croatia
● Pleasant & Comfortable
NOAA Season Curve (May–Oct):
M
18.0°
J
21.8°
J
24.1°
A
24.8°
S
22.9°
O
20.8°
N
18.5°
Beritnica Beach
#58 in August
24.8°C
Croatia flagPag Island (Metajna), Croatia
● Pleasant & Comfortable
NOAA Season Curve (May–Oct):
M
18.8°
J
22.4°
J
24.6°
A
24.8°
S
22.9°
O
19.8°
N
16.4°
Ručica Beach
#59 in August
24.8°C
Croatia flagPag Island (Metajna), Croatia
● Pleasant & Comfortable
NOAA Season Curve (May–Oct):
M
18.8°
J
22.4°
J
24.6°
A
24.8°
S
22.9°
O
19.8°
N
16.4°
Bačvice Beach
#60 in August
24.6°C
Croatia flagSplit, Croatia
● Pleasant & Comfortable
NOAA Season Curve (May–Oct):
M
17.9°
J
21.8°
J
24.0°
A
24.6°
S
22.8°
O
20.8°
N
18.6°
Bok Beach
#61 in August
24.6°C
Croatia flagKvarner (Susak Island), Croatia
● Pleasant & Comfortable
NOAA Season Curve (May–Oct):
M
18.5°
J
22.1°
J
24.3°
A
24.6°
S
22.6°
O
19.5°
N
16.1°
Kraljičina Plaža
#62 in August
24.5°C
Croatia flagNin, Zadar region, Croatia
● Pleasant & Comfortable
NOAA Season Curve (May–Oct):
M
17.5°
J
21.6°
J
24.0°
A
24.5°
S
22.3°
O
19.8°
N
17.4°
Nugal Beach
#63 in August
24.5°C
Croatia flagMakarska Riviera, Croatia
● Pleasant & Comfortable
NOAA Season Curve (May–Oct):
M
18.0°
J
21.8°
J
24.0°
A
24.5°
S
22.8°
O
20.8°
N
18.6°
Punta Rata
#64 in August
24.5°C
Croatia flagBrela, Makarska Riviera, Croatia
● Pleasant & Comfortable
NOAA Season Curve (May–Oct):
M
18.0°
J
21.8°
J
24.0°
A
24.5°
S
22.8°
O
20.8°
N
18.6°
Crikvenica Town Beach
#65 in August
24.3°C
Croatia flagKvarner (Crikvenica Riviera), Croatia
● Pleasant & Comfortable
NOAA Season Curve (May–Oct):
M
18.2°
J
21.8°
J
24.0°
A
24.3°
S
22.3°
O
19.2°
N
15.8°
Zavratnica
#66 in August
24.0°C
Croatia flagJablanac, Velebit, Croatia
● Pleasant & Comfortable
NOAA Season Curve (May–Oct):
M
17.4°
J
21.4°
J
23.7°
A
24.0°
S
21.8°
O
19.4°
N
17.0°
Sveti Ivan Beach
#67 in August
24.0°C
Croatia flagLubenice, Cres, Croatia
● Pleasant & Comfortable
NOAA Season Curve (May–Oct):
M
17.0°
J
21.1°
J
23.6°
A
24.0°
S
21.4°
O
19.0°
N
16.3°
Zrće Beach
#68 in August
24.0°C
Croatia flagNovalja, Pag, Croatia
● Pleasant & Comfortable
NOAA Season Curve (May–Oct):
M
17.4°
J
21.4°
J
23.7°
A
24.0°
S
21.8°
O
19.4°
N
17.0°
Oprna Bay
#69 in August
23.8°C
Croatia flagStara Baška, Krk, Croatia
● Pleasant & Comfortable
NOAA Season Curve (May–Oct):
M
17.1°
J
21.1°
J
23.5°
A
23.8°
S
21.4°
O
19.0°
N
16.5°
Vela Plaža
#71 in August
23.8°C
Croatia flagBaška, Krk, Croatia
● Pleasant & Comfortable
NOAA Season Curve (May–Oct):
M
17.1°
J
21.1°
J
23.5°
A
23.8°
S
21.4°
O
19.0°
N
16.5°

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