diff --git a/src/lib/isLatLong.js b/src/lib/isLatLong.js
index c4e622753..5fd89db2b 100644
--- a/src/lib/isLatLong.js
+++ b/src/lib/isLatLong.js
@@ -6,7 +6,7 @@ const lat = /^\(?[+-]?(90(\.0+)?|[1-8]?\d(\.\d+)?)$/;
 const long = /^\s?[+-]?(180(\.0+)?|1[0-7]\d(\.\d+)?|\d{1,2}(\.\d+)?)\)?$/;
 
 const latDMS = /^(([1-8]?\d)\D+([1-5]?\d|60)\D+([1-5]?\d|60)(\.\d+)?|90\D+0\D+0)\D+[NSns]?$/i;
-const longDMS = /^\s*([1-7]?\d{1,2}\D+([1-5]?\d|60)\D+([1-5]?\d|60)(\.\d+)?|180\D+0\D+0)\D+[EWew]?$/i;
+const longDMS = /^\s*((?:1[0-7]\d|\d{1,2})\D+([1-5]?\d|60)\D+([1-5]?\d|60)(\.\d+)?|180\D+0\D+0(?:\.0+)?)\D+[EWew]?$/i;
 
 const defaultLatLongOptions = {
   checkDMS: false,
diff --git a/test/validators.test.js b/test/validators.test.js
index 98d2a12ff..a3ae061e4 100644
--- a/test/validators.test.js
+++ b/test/validators.test.js
@@ -12856,6 +12856,36 @@ describe('Validators', () => {
     });
   });
 
+  it('should validate DMS longitude bounds', () => {
+    test({
+      validator: 'isLatLong',
+      args: [{ checkDMS: true }],
+      valid: [
+        '0° 0′ 0″ N, 0° 0′ 0″ E',
+        '40° 26′ 46″ N, 9° 58′ 56″ E',
+        '40° 26′ 46″ N, 99° 58′ 56″ W',
+        '40° 26′ 46″ N, 100° 58′ 56″ E',
+        '40° 26′ 46″ N, 170° 58′ 56″ W',
+        '40° 26′ 46″ N, 179° 59′ 59.999″ E',
+        '40°26′46″s,179°59′59.999″w',
+        '90° 0′ 0″ N, 180° 0′ 0″ E',
+        '90° 0′ 0″ S, 180° 0′ 0″ W',
+        '40° 26′ 46″ N, 180° 0′ 0.0″ E',
+        '40°26′46″s,180°0′0.000″w',
+      ],
+      invalid: [
+        '40° 26′ 46″ N, 180° 1′ 0″ E',
+        '40° 26′ 46″ N, 180° 0′ 1″ W',
+        '40° 26′ 46″ N, 180° 0′ 0.001″ E',
+        '40° 26′ 46″ N, 181° 0′ 0″ E',
+        '40° 26′ 46″ N, 199° 0′ 0″ W',
+        '40° 26′ 46″ N, 200° 0′ 0″ E',
+        '40° 26′ 46″ N, 360° 0′ 0″ W',
+        '40°26′46″s,799°0′0″w',
+      ],
+    });
+  });
+
   it('should validate postal code', () => {
     const fixtures = [
       {