Fort · Portsmouth · Hampshire

Fort Southwick

Fort Southwick is part of naval base of Portsmouth in the county of Hampshire. It is protected as a scheduled monument. Within 15 km there are 82 more places to visit, starting with HMS Victory (6.3 km).

Photo: Fort Southwick, Martyn Pattison (CC BY-SA 2.0)

Where

In Portsmouth

inside the built-up area

How well known

Top 34%

#2,866 of 8,556 places we list

Warmest months

May–Sep

highs of 18–23°C

In brief

Fort in Portsmouth

Inside Portsmouth

Fort Southwick is inside Portsmouth’s built-up area, with 8 more places to visit within 5 km. Towns near it ↓

Scheduled monument

On the official list of protected heritage; Portsmouth has 490 listed buildings in all, on its History page. About ↓

Written from OpenStreetMap, Wikidata, the ONS built-up areas and Met Office 1991–2020 averages.

When to go

The climate through the year

Warmest in Portsmouth are May to September, at 18–23°C.

Jan9° / 3°86 mm

Feb9° / 3°60 mm

Mar12° / 4°50 mm

Apr15° / 6°53 mm

May18° / 8°43 mm

Jun21° / 11°50 mm

Jul23° / 13°46 mm

Aug23° / 13°60 mm

Sep20° / 11°58 mm

Oct16° / 9°88 mm

Nov12° / 6°90 mm

Dec10° / 3°89 mm

Green months are the warmest. Typical afternoon highs and night lows in Portsmouth, and rain in a month. Met Office HadUK-Grid 1991–2020 averages for Portsmouth. Opening times change through the year: check before you go. Portsmouth’s full climate →

About

Fort Southwick

Wikipedia covers it in 3 languages.

Portsmouth’s listed buildings and monuments →

Type: Fort
Listed: Scheduled monument
Wikipedias: Covered in 3 languages
Town: in Portsmouth

Facts: Wikidata (CC0) and OpenStreetMap (© OpenStreetMap contributors).

The map

Map of Fort Southwick and nearby

Fort Southwick sits at the orange dot; the numbered ones are listed below.

Towns near it

Staying near Fort Southwick

The most populous of the 7 is Portsmouth, at 223,324. Start with its own town; the others follow by distance.

1 · It’s in town

Portsmouth

223,324 people · 64 places to visit

2 · 1.5 km north of it

Southwick

703 people · 9 places to visit

3 · 2.6 km west of it

Fareham

42,633 people · 20 places to visit

4 · 3.8 km east of it

Waterlooville

34,766 people · 11 places to visit

Compare the 7 towns

Town	Where Fort Southwick is	People	Places to visit
Portsmouth	It’s in town	223,324	64
Southwick	1.5 km north of it	703	9
Fareham	2.6 km west of it	42,633	20
Waterlooville	3.8 km east of it	34,766	11
North Boarhunt	4 km northwest of it	842	7
Gosport	4.3 km southwest of it	70,120	57
Denmead	4.8 km northeast of it	6,509	5

Make a day of it

Around Fort Southwick

Also close at hand are 2 historic ships, 2 cathedrals and a castle, among 82 within 15 km.

Historic shipHMS Victory6.3 km away 2

Castle · English HeritagePortchester Castle2.4 km away 3

MuseumMary Rose6.5 km away 4

Historic shipHMS Warrior6.7 km away 5

AttractionSpinnaker Tower7 km away 6

CathedralPortsmouth Cathedral7.5 km away 7

CathedralCathedral of St John the Evangelist6.5 km away 8Historic houseHistoric houseSouthwick House1.9 km away

Within 15 km, close and well known first. Numbers match the map.

Fort Southwick: what to know

Where is Fort Southwick?

Fort Southwick is in Portsmouth, Hampshire, inside the town’s built-up area.

What is Fort Southwick?

Part of naval base of Portsmouth in the county of Hampshire, England, UK.

When is the best time to visit Fort Southwick?

May to September are the warmest months in Portsmouth, with afternoon highs of 18–23°C (Met Office 1991–2020 averages).

Is Fort Southwick a listed building?

Yes: scheduled monument.

What else is there to see near Fort Southwick?

Within 15 km: HMS Victory (6.3 km), Portchester Castle (2.4 km), Mary Rose (6.5 km) and HMS Warrior (6.7 km).

Places: OpenStreetMap (© OpenStreetMap contributors, Open Database Licence) and Wikidata (CC0), placed in the ONS 2022 built-up area (Open Government Licence v3.0). Visitor counts are the latest Wikidata gives, with their year.

Photos: each place’s Wikidata image, from Wikimedia Commons under the licence below (our copy, resized).

Photo credits (8)

Fort Southwick: Martyn Pattison, CC BY-SA 2.0, Wikimedia Commons
HMS Victory: David Dixon, CC BY-SA 2.0, Wikimedia Commons
Portchester Castle: Matthew Folley from UK, CC BY 2.0, Wikimedia Commons
Mary Rose: Mary Rose Trust, CC BY-SA 3.0, Wikimedia Commons
HMS Warrior: geni, CC BY-SA 4.0, Wikimedia Commons
Spinnaker Tower: Chris Downer, CC BY-SA 2.0, Wikimedia Commons
Portsmouth Cathedral: JohnArmagh, Public domain, Wikimedia Commons
Cathedral of St John the Evangelist: JohnArmagh, Public domain, Wikimedia Commons

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.