diff --git a/CHANGELOG.md b/CHANGELOG.md
index 047f33c4a0..2692163a6a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ Please add one entry in this file for each change in Yarn's behavior. Use the sa
 
 ## Master
 
+- Adds support for --offline flag to global add command
+
+  [#7330](https://github.com/yarnpkg/yarn/pull/7330) - [**Francis Crick**](https://guthub.com/fcrick)
+
 - Yarn will tolerate Yaml at parse time. Full support isn't ready yet and will only come at the next major.
 
   [#7300](https://github.com/yarnpkg/yarn/pull/7300) - [**Maël Nison**](https://twitter.com/arcanis)
diff --git a/__tests__/fixtures/index/run-global-add-offline/global/.gitkeep b/__tests__/fixtures/index/run-global-add-offline/global/.gitkeep
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/__tests__/fixtures/index/run-global-add-offline/package.json b/__tests__/fixtures/index/run-global-add-offline/package.json
new file mode 100644
index 0000000000..a183089a65
--- /dev/null
+++ b/__tests__/fixtures/index/run-global-add-offline/package.json
@@ -0,0 +1,5 @@
+{
+  "name": "test_global_add_offline",
+  "version": "1.0.0",
+  "license": "UNLICENSED"
+}
diff --git a/__tests__/index.js b/__tests__/index.js
index 6c1c73961f..80345e9569 100644
--- a/__tests__/index.js
+++ b/__tests__/index.js
@@ -146,6 +146,21 @@ if (semver.satisfies(ver, '>=5.0.0')) {
   });
 }
 
+test.concurrent('should fail to find non-existent package offline', async () => {
+  const command = execCommand(
+    '--offline',
+    ['global', 'add', 'doesnotexistqwertyuiop@2.0.0-doesnotexist', '--global-folder', './global'],
+    'run-global-add-offline',
+    true,
+  );
+  await expectAnErrorMessage(
+    command,
+    `error Couldn't find any versions for "doesnotexistqwertyuiop" that matches "2.0.0-doesnotexist" in our cache ` +
+      '(possible versions are ""). This is usually caused by a missing entry in the lockfile, running Yarn without ' +
+      'the --offline flag may help fix this issue.',
+  );
+});
+
 test.concurrent('should run custom script', async () => {
   const stdout = await execCommand('run', ['custom-script'], 'run-custom-script');
   expectRunOutput(stdout);
diff --git a/src/cli/commands/global.js b/src/cli/commands/global.js
index 1ab16f21b4..a502cc6659 100644
--- a/src/cli/commands/global.js
+++ b/src/cli/commands/global.js
@@ -48,6 +48,7 @@ async function updateCwd(config: Config): Promise<void> {
 
   await config.init({
     cwd: config.globalFolder,
+    offline: config.offline,
     binLinks: true,
     globalFolder: config.globalFolder,
     cacheFolder: config._cacheRootFolder,