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Tidal level Dorset Coast at Portland

Check for flood warnings in this area

Latest recorded level -0.73m at 5:00pm Friday 18 September 2020.

Tidal levels at this location in the last 5 days

Now
  • Measured level
  • Highest level on record 2.02m

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Observed data

DateTime Value Error
-0.734 false
-0.81 false
-0.822 false
-0.835 false
-0.802 false
-0.756 false
-0.733 false
-0.719 false
-0.684 false
-0.712 false
-0.668 false
-0.635 false
-0.626 false
-0.704 false
-0.794 false
-0.891 false
-0.869 false
-0.813 false
-0.701 false
-0.549 false
-0.344 false
-0.121 false
0.091 false
0.287 false
0.483 false
0.647 false
0.816 false
0.951 false
1.059 false
1.167 false
1.227 false
1.279 false
1.283 false
1.34 false
1.319 false
1.286 false
1.247 false
1.172 false
1.13 false
1.04 false
0.93 false
0.765 false
0.556 false
0.332 false
0.069 false
-0.17 false
-0.397 false
-0.612 false
-0.846 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-0.972 false
-0.917 false
-0.887 false
-0.847 false
-0.817 false
-0.774 false
-0.78 false
-0.846 false
-0.923 false
-0.982 false
-0.964 false
-0.843 false
-0.688 false
-0.488 false
-0.302 false
-0.086 false
0.108 false
0.324 false
0.542 false
0.706 false
0.865 false
1.013 false
1.119 false
1.211 false
1.257 false
1.306 false
1.318 false
1.322 false
1.353 false
1.326 false
1.291 false
1.256 false
1.202 false
1.103 false
0.978 false
0.826 false
0.642 false
0.422 false
0.214 false
-0.006 false
-0.216 false
-0.425 false
-0.603 false
-0.735 false
-0.799 false
-0.843 false
-0.815 false
-0.792 false
-0.753 false
-0.746 false
-0.737 false
-0.736 false
-0.715 false
-0.721 false
-0.678 false
-0.701 false
-0.779 false
-0.837 false
-0.895 false
-0.882 false
-0.818 false
-0.693 false
-0.555 false
-0.36 false
-0.156 false
0.014 false
0.174 false
0.354 false
0.517 false
0.659 false
0.782 false
0.909 false
1 false
1.052 false
1.093 false
1.118 false
1.151 false
1.162 false
1.143 false
1.125 false
1.09 false
1.033 false
0.95 false
0.857 false
0.713 false
0.538 false
0.358 false
0.137 false
-0.064 false
-0.273 false
-0.477 false
-0.641 false
-0.76 false
-0.854 false
-0.88 false
-0.886 false
-0.827 false
-0.76 false
-0.722 false
-0.671 false
-0.617 false
-0.567 false
-0.527 false
-0.498 false
-0.472 false
-0.458 false
-0.492 false
-0.54 false
-0.566 false
-0.577 false
-0.501 false
-0.377 false
-0.258 false
-0.094 false
0.072 false
0.239 false
0.396 false
0.575 false
0.729 false
0.853 false
0.975 false
1.073 false
1.153 false
1.226 false
1.271 false
1.306 false
1.334 false
1.34 false
1.329 false
1.318 false
1.283 false
1.229 false
1.164 false
1.077 false
0.94 false
0.765 false
0.589 false
0.402 false
0.228 false
0.07 false
-0.091 false
-0.24 false
-0.34 false
-0.39 false
-0.407 false
-0.398 false
-0.372 false
-0.352 false
-0.324 false
-0.311 false
-0.306 false
-0.311 false
-0.307 false
-0.306 false
-0.314 false
-0.359 false
-0.425 false
-0.492 false
-0.515 false
-0.491 false
-0.405 false
-0.3 false
-0.163 false
-0.039 false
0.098 false
0.235 false
0.371 false
0.5 false
0.604 false
0.704 false
0.791 false
0.866 false
0.927 false
0.963 false
1 false
1.019 false
1.035 false
1.026 false
1.007 false
0.988 false
0.946 false
0.881 false
0.79 false
0.669 false
0.531 false
0.379 false
0.239 false
0.06 false
-0.116 false
-0.262 false
-0.388 false
-0.505 false
-0.571 false
-0.612 false
-0.617 false
-0.596 false
-0.554 false
-0.525 false
-0.489 false
-0.456 false
-0.437 false
-0.419 false
-0.401 false
-0.392 false
-0.399 false
-0.433 false
-0.478 false
-0.505 false
-0.496 false
-0.464 false
-0.381 false
-0.27 false
-0.154 false
-0.046 false
0.073 false
0.211 false
0.331 false
0.458 false
0.57 false
0.663 false
0.761 false
0.846 false
0.905 false
0.955 false
1.004 false
1.033 false
1.046 false
1.063 false
1.042 false
1.022 false
1.002 false
0.969 false
0.891 false
0.802 false
0.673 false
0.552 false
0.411 false
0.274 false
0.149 false
0.045 false
-0.056 false
-0.129 false
-0.179 false
-0.191 false
-0.195 false
-0.184 false
-0.174 false
-0.171 false
-0.143 false
-0.146 false
-0.159 false
-0.176 false
-0.177 false
-0.183 false
-0.234 false
-0.281 false
-0.315 false
-0.34 false
-0.323 false
-0.271 false
-0.216 false
-0.124 false
-0.003 false
0.093 false
0.191 false
0.297 false
0.381 false
0.478 false
0.561 false
0.637 false
0.714 false
0.767 false
0.8 false
0.85 false
0.869 false
0.892 false
0.899 false
0.893 false
0.876 false
0.85 false
0.817 false
0.749 false
0.671 false
0.578 false
0.472 false
0.342 false
0.219 false
0.102 false
-0.006 false
-0.088 false
-0.154 false
-0.216 false
-0.248 false
-0.254 false
-0.24 false
-0.227 false
-0.193 false
-0.166 false
-0.137 false
-0.114 false
-0.126 false
-0.134 false
-0.135 false
-0.143 false
-0.163 false
-0.194 false
-0.222 false
-0.245 false
-0.234 false
-0.198 false
-0.149 false
-0.085 false
-0.002 false
0.07 false
0.156 false
0.24 false
0.324 false
0.404 false
0.485 false
0.547 false
0.621 false
0.685 false
0.723 false
0.768 false
0.81 false
0.837 false
0.849 false
0.854 false
0.848 false
0.841 false
0.824 false
0.777 false
0.712 false
0.632 false
0.557 false
0.465 false
0.363 false
0.289 false
0.21 false
0.148 false
0.089 false
0.031 false
0.009 false
0.013 false
0.008 false
0.019 false
0.031 false
0.037 false
0.024 false
0.037 false
0.015 false
-0.003 false
-0.017 false
-0.037 false
-0.069 false
-0.106 false
-0.138 false
-0.151 false
-0.143 false
-0.111 false
-0.07 false
-0.019 false
0.031 false
0.076 false
0.14 false
0.204 false
0.269 false
0.326 false
0.364 false
0.425 false
0.454 false
0.5 false
0.521 false
0.557 false
0.581 false
0.609 false
0.623 false
0.617 false
0.623 false
0.599 false
0.569 false
0.536 false
0.488 false
0.42 false
0.35 false
0.271 false
0.189 false
0.123 false
0.06 false
0.003 false
-0.049 false
-0.084 false
-0.085 false
-0.11 false
-0.114 false
-0.116 false
-0.095 false
-0.072 false
-0.067 false
-0.08 false
-0.097 false
-0.101 false
-0.124 false
-0.125 false
-0.143 false
-0.173 false
-0.18 false
-0.199 false
-0.211 false
-0.194 false
-0.161 false
-0.141 false
-0.11 false
-0.065 false
-0.017 false
0.016 false
0.066 false
0.103 false
0.15 false
0.19 false
0.237 false
0.258 false
0.296 false
0.341 false

Forecast data




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