diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0dd5ffa..20bf3d8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -6,62 +6,19 @@ on:
       - published
 
 jobs:
-  build_wheels:
-    name: build wheel
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ ubuntu-latest ]
-        python-version: [ '3.x' ]
-    steps:
-      - name: checkout repository
-        uses: actions/checkout@v2
-      - name: install Python
-        uses: actions/setup-python@v2
-        with:
-          python-version: ${{ matrix.python-version }}
-      - name: load cached Python installation
-        id: cache
-        uses: actions/cache@v2
-        with:
-          path: ${{ env.pythonLocation }}
-          key: lint-${{ runner.os }}-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml', 'setup.*') }}
-      - name: build wheel
-        run: pip wheel . -w dist --no-deps
-      - name: save wheel
-        uses: actions/upload-artifact@v2
-        with:
-          name: build
-          path: ./dist/*.whl
-  build_sdist:
-    name: package source
+  publish:
+    name: publish package to PyPI
     runs-on: ubuntu-latest
     steps:
       - name: checkout repository
         uses: actions/checkout@v2
-      - name: install Python
-        uses: actions/setup-python@v2
-      - name: install dependencies
+      - name: install Poetry
+        uses: abatilo/actions-poetry@v2.1.3
+      - name: install Dunamai
         run: pip install dunamai
-      - name: package source
-        run: python setup.py sdist
-      - name: save source package
-        uses: actions/upload-artifact@v2
-        with:
-          name: build
-          path: ./dist/*.tar.gz
-  upload_pypi:
-    name: publish to PyPI
-    needs: [ build_wheels, build_sdist ]
-    runs-on: ubuntu-latest
-    steps:
-      - name: retrieve wheel(s) and source
-        uses: actions/download-artifact@v2
-        with:
-          name: build
-          path: dist
-      - name: upload wheel(s) and source
-        uses: pypa/gh-action-pypi-publish@v1.5.0
-        with:
-          user: __token__
-          password: ${{ secrets.PYPI_TOKEN }}
+      - name: extract version from VCS
+        run: poetry version $(dunamai from any)
+      - name: build wheel and source
+        run: poetry build
+      - name: upload wheel and source
+        run: poetry publish --username __token__ --password ${{ secrets.PYPI_TOKEN }}
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 9562091..eeeb85c 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -1,6 +1,15 @@
 name: tests
 
-on: [ push ]
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - '**.py'
+      - '.github/workflows/tests.yml'
+  pull_request:
+    branches:
+      - main
 
 jobs:
   lint:
@@ -11,22 +20,34 @@ jobs:
         uses: actions/checkout@v2
       - name: install Python
         uses: actions/setup-python@v2
-      - name: install flake8
-        run: pip install flake8
+      - name: load cached Python installation
+        id: cache
+        uses: actions/cache@v2
+        with:
+          path: ${{ env.pythonLocation }}
+          key: lint-${{ runner.os }}-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml') }}
+      - name: install linters
+        run: pip install flake8 oitnb
       - name: lint with flake8
         run: |
           # stop the build if there are Python syntax errors or undefined names
           flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
           # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
           flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+      - name: lint with oitnb
+        run: oitnb . --check
   test:
     needs: lint
     name: test
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
-        os: [ ubuntu-latest ]
-        python-version: [ '3.6', '3.x' ]
+        os: [ ubuntu-latest, macos-latest ]
+        python-version: [ '3.6', '3.7', '3.8', '3.9', '3.x' ]
+        exclude:
+          - os: macos-latest
+            python-version: '3.x'
     steps:
       - name: clone repository
         uses: actions/checkout@v2
@@ -39,18 +60,33 @@ jobs:
         uses: actions/cache@v2
         with:
           path: ${{ env.pythonLocation }}
-          key: test-${{ runner.os }}-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml', 'setup.*') }}
+          key: test-${{ runner.os }}-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml') }}
       - name: install dependencies
-        if: steps.cache.outputs.cache-hit != 'true'
         run: pip install ".[testing]"
       - name: run tests
-        if: matrix.python-version != '3.x' || matrix.os != 'ubuntu-latest'
         run: pytest --numprocesses auto
+  test_with_coverage:
+    needs: [ lint, test ]
+    name: test with coverage
+    runs-on: ubuntu-latest
+    steps:
+      - name: clone repository
+        uses: actions/checkout@v2
+      - name: install Python
+        uses: actions/setup-python@v2
+      - name: load cached Python installation
+        id: cache
+        uses: actions/cache@v2
+        with:
+          path: ${{ env.pythonLocation }}
+          key: test-${{ runner.os }}-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml') }}
+      - name: install dependencies
+        run: pip install ".[testing]"
       - name: run tests with coverage
-        if: matrix.python-version == '3.x' && matrix.os == 'ubuntu-latest'
         run: pytest --numprocesses auto --cov . --cov-report xml:coverage.xml
+      - name: show coverage report
+        run: coverage report
       - name: upload coverage to Codecov
-        if: matrix.python-version == '3.x' && matrix.os == 'ubuntu-latest'
         uses: codecov/codecov-action@v2.1.0
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.github/workflows/tests_simple.yml b/.github/workflows/tests_simple.yml
new file mode 100644
index 0000000..249f67d
--- /dev/null
+++ b/.github/workflows/tests_simple.yml
@@ -0,0 +1,54 @@
+name: tests
+
+on:
+  push:
+    branches-ignore:
+      - main
+    paths:
+      - '**.py'
+      - '.github/workflows/tests_simple.yml'
+
+jobs:
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: clone repository
+        uses: actions/checkout@v2
+      - name: install Python
+        uses: actions/setup-python@v2
+      - name: load cached Python installation
+        id: cache
+        uses: actions/cache@v2
+        with:
+          path: ${{ env.pythonLocation }}
+          key: lint-${{ runner.os }}-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml') }}
+      - name: install linters
+        run: pip install flake8 oitnb
+      - name: lint with flake8
+        run: |
+          # stop the build if there are Python syntax errors or undefined names
+          flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+          # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+          flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+      - name: lint with oitnb
+        run: oitnb . --check
+  test:
+    needs: lint
+    name: test
+    runs-on: ubuntu-latest
+    steps:
+      - name: clone repository
+        uses: actions/checkout@v2
+      - name: install Python
+        uses: actions/setup-python@v2
+      - name: load cached Python installation
+        id: cache
+        uses: actions/cache@v2
+        with:
+          path: ${{ env.pythonLocation }}
+          key: test-${{ runner.os }}-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml') }}
+      - name: install dependencies
+        run: pip install ".[testing]"
+      - name: run tests
+        run: pytest --numprocesses auto
diff --git a/pyproject.toml b/pyproject.toml
index a054380..625037f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,47 @@
+[tool.poetry]
+name = 'stormevents'
+version = '0.0.0'
+description = 'Python interfaces for observational data surrounding named storm events'
+authors = ['Zach Burnett <zachary.r.burnett@gmail.com>']
+license = 'GPL-3.0-or-later'
+readme = 'README.md'
+repository = 'https://github.com/oceanmodeling/StormEvents.git'
+documentation = 'https://stormevents.readthedocs.io'
+
 [build-system]
 requires = [
-    "dunamai",
-    "setuptools",
+    'poetry-core>=1.0.0',
+    'poetry-dynamic-versioning',
 ]
-build-backend = "setuptools.build_meta"
+build-backend = 'poetry.core.masonry.api'
+
+[tool.poetry-dynamic-versioning]
+enable = true
+
+[tool.poetry.dependencies]
+python = '^3.6'
+beautifulsoup4 = '*'
+geopandas = '*'
+netcdf4 = '*'
+numpy = '*'
+python-dateutil = '*'
+pandas = '*'
+pyproj = '>=2.6'
+requests = '*'
+shapely = '*'
+typepigeon = '>=1.0.5'
+xarray = '*'
+isort = { version = '*', optional = true }
+oitnb = { version = '*', optional = true }
+pytest = { version = '*', optional = true }
+pytest-cov = { version = '*', optional = true }
+pytest-socket = { version = '*', optional = true }
+pytest-xdist = { version = '*', optional = true }
+m2r2 = { version = '*', optional = true }
+sphinx = { version = '*', optional = true }
+sphinx-rtd-theme = { version = '*', optional = true }
+
+[tool.poetry.extras]
+testing = ['pytest', 'pytest-cov', 'pytest-socket', 'pytest-xdist']
+development = ['isort', 'oitnb']
+documentation = ['m2r2', 'sphinx', 'sphinx-rtd-theme']
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index be4e868..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,42 +0,0 @@
-[metadata]
-name = stormevents
-author = Zach Burnett <zachary.burnett@noaa.gov>, William Pringle <wpringle@anl.gov>, Jaime R Calzada <jreniel@gmail.com>
-description = Python interfaces for observational data surrounding named storm events
-long_description = file:README.md
-long_description_content_type = text/markdown
-license = GPL
-python_requires = >=3.6
-url = https://github.com/noaa-ocs-modeling/StormEvents.git
-
-[options]
-install_requires =
-    beautifulsoup4
-    geopandas
-    netcdf4
-    numpy
-    python-dateutil
-    pandas
-    pyproj >= 2.6
-    requests
-    shapely
-    typepigeon >= 1.0.5
-    xarray
-
-[options.extras_require]
-testing =
-    pytest
-    pytest-cov
-    pytest-socket
-    pytest-xdist
-development =
-    flake8
-    isort
-    oitnb
-documentation =
-    dunamai
-    m2r2
-    sphinx
-    sphinx-rtd-theme
-
-[options.package_data]
-* = *.json
diff --git a/setup.py b/setup.py
deleted file mode 100644
index ae64250..0000000
--- a/setup.py
+++ /dev/null
@@ -1,17 +0,0 @@
-import os
-import warnings
-
-from setuptools import find_packages, setup
-
-if '__version__' in os.environ:
-    __version__ = os.environ['__version__']
-else:
-    from dunamai import Version
-
-    try:
-        __version__ = Version.from_any_vcs().serialize()
-    except RuntimeError as error:
-        warnings.warn(f'{error.__class__.__name__} - {error}')
-        __version__ = '0.0.0'
-
-setup(version=__version__, packages=find_packages(exclude=('tests',)), test_suite='tests')
diff --git a/tests/test_nhc.py b/tests/test_nhc.py
index db9537e..6036fa1 100644
--- a/tests/test_nhc.py
+++ b/tests/test_nhc.py
@@ -1,6 +1,8 @@
 from copy import copy
 from datetime import timedelta
+import sys
 
+import numpy
 import pytest
 from pytest_socket import SocketBlockedError
 
@@ -110,7 +112,7 @@ def test_vortex_track_tracks():
 
     assert len(tracks) == 4
     assert len(tracks['OFCL']) == 77
-    assert len(tracks['OFCL']['20180831T000000']) == 2
+    assert len(tracks['OFCL']['20180831T000000']) == 13
 
 
 @pytest.mark.disable_socket
@@ -160,13 +162,12 @@ def test_vortex_track_to_file():
     check_reference_directory(output_directory, reference_directory)
 
 
-@pytest.mark.skip
 def test_vortex_track_distances():
     track_1 = VortexTrack.from_storm_name('florence', 2018)
     track_2 = VortexTrack.from_storm_name('florence', 2018, file_deck='a', advisories=['OFCL'])
 
-    assert track_1.distances['BEST']['20180830T060000'] == 8725961.838567913
-    assert track_2.distances['OFCL']['20180831T000000'] == 15490.033837939689
+    assert numpy.isclose(track_1.distances['BEST']['20180830T060000'], 8725961.838567913)
+    assert numpy.isclose(track_2.distances['OFCL']['20180831T000000'], 8882602.389540724)
 
 
 def test_vortex_track_recompute_velocity():
diff --git a/tests/test_stormevent.py b/tests/test_stormevent.py
index 732ecbe..16082d1 100644
--- a/tests/test_stormevent.py
+++ b/tests/test_stormevent.py
@@ -2,6 +2,7 @@
 import os
 
 import pytest
+import shapely
 from shapely.geometry import box
 
 from stormevents.stormevent import StormEvent
@@ -181,29 +182,24 @@ def test_storm_event_coops_product_within_isotach(florence2018):
 
 
 def test_storm_event_coops_product_within_region(florence2018):
-    null_track = florence2018.track(end_date=florence2018.start_date + timedelta(hours=12))
-    null_data = florence2018.coops_product_within_region(
+    null_tidal_data = florence2018.coops_product_within_region(
         'water_level',
-        region=box(*null_track.linestrings['BEST']['20180830T060000'].bounds),
-        end_date=null_track.end_date,
+        region=shapely.geometry.box(0, 0, 1, 1),
+        start_date=florence2018.start_date,
+        end_date=florence2018.start_date + timedelta(minutes=1),
     )
 
-    track = florence2018.track(
-        start_date=datetime(2018, 9, 13, 23, 59),
-        end_date=datetime(2018, 9, 14),
-        file_deck='a',
-        advisories='OFCL',
-    )
+    east_coast = shapely.geometry.box(-85, 25, -65, 45)
 
-    tidal_data_1 = florence2018.coops_product_within_region(
+    east_coast_tidal_data = florence2018.coops_product_within_region(
         'water_level',
-        region=box(*track.linestrings['OFCL']['20180914T000000'].bounds),
-        start_date=track.start_date,
-        end_date=track.end_date,
+        region=east_coast,
+        start_date=datetime(2018, 9, 13, 23, 59),
+        end_date=datetime(2018, 9, 14),
     )
 
-    assert len(null_data.data_vars) == 0
-    assert list(tidal_data_1.data_vars) == ['v', 's', 'f', 'q']
+    assert len(null_tidal_data.data_vars) == 0
+    assert list(east_coast_tidal_data.data_vars) == ['v', 's', 'f', 'q']
 
-    assert null_data['t'].sizes == {}
-    assert tidal_data_1.sizes == {'nos_id': 8, 't': 1}
+    assert null_tidal_data['t'].sizes == {}
+    assert east_coast_tidal_data.sizes == {'nos_id': 111, 't': 1}