diff --git a/notebooks/external-datasets/ndbc-great-lakes.ipynb b/notebooks/external-datasets/ndbc-great-lakes.ipynb
index 39bd084655..f278e7eead 100644
--- a/notebooks/external-datasets/ndbc-great-lakes.ipynb
+++ b/notebooks/external-datasets/ndbc-great-lakes.ipynb
@@ -115,7 +115,7 @@
    "source": [
     "### Active stations\n",
     "\n",
-    "Import a list of *active* stations directly from the NDBC as a Data Frame.  NB, the *five digit station identifiers* in this list are lower case.  The [NBDC search engine](https://www.ndbc.noaa.gov/station_page.php?)\n",
+    "Import a list of *active* stations directly from the NDBC as a Data Frame.  NB, the *five digit station identifiers* in this list are lower case.  The [NBDC search engine](https://www.ndbc.noaa.gov/obs.shtml)\n",
     "is not case sensitive, but various NDBC filenames use both lower and uppercase station IDs. "
    ]
   },
@@ -1259,7 +1259,7 @@
     "\n",
     "* [NDBC](https://pypi.org/project/NDBC/) A pacakge to simplify to retrieval and parsing of NOAA NDBC data.\n",
     "\n",
-    "* [seebuoy](https://www/seebuoy.com) Easily access real time and historical data from the National Data Buoy Center.\n",
+    "* [seebuoy](https://www.seebuoy.com) Easily access real time and historical data from the National Data Buoy Center.\n",
     "     - [GitHub](https://github.com/nickc1/seebuoy)\n",
     "  "
    ]