Tidal level Dorset Coast at Portland

Check for flood warnings in this area

Latest recorded level 1.37m at 9:45am Wednesday 23 January 2019.

Tidal levels at this location in the last 5 days

Now
  • Measured level
  • Highest astronomical tide prediction 2.01m

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Observed data

DateTime Value Error
1.369 false
1.423 false
1.474 false
1.504 false
1.533 false
1.55 false
1.531 false
1.519 false
1.48 false
1.432 false
1.366 false
1.265 false
1.156 false
0.963 false
0.72 false
0.487 false
0.277 false
0.073 false
-0.136 false
-0.311 false
-0.491 false
-0.597 false
-0.645 false
-0.638 false
-0.604 false
-0.507 false
-0.481 false
-0.454 false
-0.397 false
-0.378 false
-0.366 false
-0.323 false
-0.319 false
-0.352 false
-0.42 false
-0.516 false
-0.595 false
-0.581 false
-0.506 false
-0.341 false
-0.142 false
0.049 false
0.224 false
0.428 false
0.597 false
0.773 false
0.923 false
1.037 false
1.151 false
1.239 false
1.29 false
1.336 false
1.345 false
1.343 false
1.364 false
1.361 false
1.33 false
1.281 false
1.237 false
1.191 false
1.09 false
0.976 false
0.802 false
0.578 false
0.359 false
0.123 false
-0.099 false
-0.336 false
-0.56 false
-0.724 false
-0.88 false
-0.963 false
-0.981 false
-0.961 false
-0.908 false
-0.835 false
-0.791 false
-0.723 false
-0.667 false
-0.644 false
-0.639 false
-0.596 false
-0.57 false
-0.607 false
-0.689 false
-0.728 false
-0.754 false
-0.7 false
-0.591 false
-0.424 false
-0.245 false
-0.042 false
0.157 false
0.355 false
0.542 false
0.7 false
0.866 false
1.011 false
1.142 false
1.233 false
1.327 false
1.354 false
1.38 false
1.402 false
1.406 false
1.423 false
1.397 false
1.363 false
1.323 false
1.263 false
1.162 false
1.067 false
0.877 false
0.681 false
0.477 false
0.299 false
0.05 false
-0.138 false
-0.31 false
-0.5 false
-0.606 false
-0.685 false
-0.688 false
-0.653 false
-0.583 false
-0.552 false
-0.509 false
-0.5 false
-0.529 false
-0.55 false
-0.506 false
-0.442 false
-0.463 false
-0.58 false
-0.662 false
-0.701 false
-0.67 false
-0.59 false
-0.449 false
-0.271 false
-0.101 false
0.078 false
0.263 false
0.428 false
0.567 false
0.719 false
0.847 false
0.976 false
1.051 false
1.102 false
1.154 false
1.191 false
1.207 false
1.229 false
1.217 false
1.192 false
1.15 false
1.127 false
1.071 false
0.982 false
0.863 false
0.725 false
0.534 false
0.313 false
0.115 false
-0.095 false
-0.307 false
-0.501 false
-0.665 false
-0.786 false
-0.872 false
-0.873 false
-0.859 false
-0.804 false
-0.736 false
-0.68 false
-0.627 false
-0.573 false
-0.531 false
-0.513 false
-0.492 false
-0.457 false
-0.465 false
-0.511 false
-0.587 false
-0.661 false
-0.63 false
-0.555 false
-0.435 false
-0.282 false
-0.114 false
0.073 false
0.232 false
0.4 false
0.573 false
0.718 false
0.849 false
0.965 false
1.07 false
1.146 false
1.199 false
1.244 false
1.268 false
1.294 false
1.296 false
1.267 false
1.242 false
1.215 false
1.142 false
1.056 false
0.941 false
0.786 false
0.619 false
0.434 false
0.246 false
0.048 false
-0.146 false
-0.325 false
-0.473 false
-0.587 false
-0.65 false
-0.677 false
-0.663 false
-0.629 false
-0.603 false
-0.582 false
-0.56 false
-0.547 false
-0.54 false
-0.535 false
-0.509 false
-0.522 false
-0.562 false
-0.644 false
-0.698 false
-0.695 false
-0.653 false
-0.568 false
-0.438 false
-0.291 false
-0.123 false
0.031 false
0.174 false
0.308 false
0.457 false
0.581 false
0.698 false
0.788 false
0.865 false
0.92 false
0.963 false
0.999 false
1.034 false
1.04 false
1.035 false
1.009 false
0.992 false
0.948 false
0.898 false
0.809 false
0.691 false
0.535 false
0.363 false
0.192 false
0.04 false
-0.132 false
-0.301 false
-0.444 false
-0.559 false
-0.637 false
-0.665 false
-0.656 false
-0.631 false
-0.584 false
-0.537 false
-0.484 false
-0.438 false
-0.4 false
-0.385 false
-0.372 false
-0.349 false
-0.334 false
-0.365 false
-0.42 false
-0.466 false
-0.477 false
-0.43 false
-0.349 false
-0.256 false
-0.108 false
0.03 false
0.164 false
0.303 false
0.438 false
0.569 false
0.686 false
0.803 false
0.904 false
0.969 false
1.029 false
1.073 false
1.113 false
1.152 false
1.167 false
1.168 false
1.164 false
1.144 false
1.104 false
1.049 false
0.992 false
0.874 false
0.73 false
0.581 false
0.422 false
0.264 false
0.11 false
-0.032 false
-0.169 false
-0.274 false
-0.34 false
-0.383 false
-0.385 false
-0.366 false
-0.325 false
-0.31 false
-0.276 false
-0.248 false
-0.242 false
-0.241 false
-0.226 false
-0.235 false
-0.25 false
-0.308 false
-0.347 false
-0.362 false
-0.354 false
-0.313 false
-0.247 false
-0.153 false
-0.029 false
0.086 false
0.202 false
0.317 false
0.425 false
0.529 false
0.633 false
0.712 false
0.786 false
0.842 false
0.892 false
0.933 false
0.963 false
0.996 false
1.006 false
1.007 false
0.996 false
0.971 false
0.941 false
0.899 false
0.825 false
0.717 false
0.594 false
0.457 false
0.323 false
0.181 false
0.05 false
-0.067 false
-0.179 false
-0.274 false
-0.324 false
-0.343 false
-0.334 false
-0.312 false
-0.276 false
-0.231 false
-0.194 false
-0.158 false
-0.15 false
-0.138 false
-0.13 false
-0.133 false
-0.127 false
-0.16 false
-0.208 false
-0.232 false
-0.228 false
-0.193 false
-0.117 false
-0.038 false
0.043 false
0.149 false
0.244 false
0.354 false
0.451 false
0.544 false
0.634 false
0.715 false
0.787 false
0.846 false
0.882 false
0.939 false
0.97 false
0.991 false
1.008 false
1.008 false
1 false
0.985 false
0.964 false
0.897 false
0.828 false
0.752 false
0.644 false
0.519 false
0.395 false
0.273 false
0.16 false
0.063 false
-0.045 false
-0.123 false
-0.187 false
-0.2 false
-0.207 false
-0.181 false
-0.167 false
-0.159 false
-0.12 false
-0.1 false
-0.13 false
-0.122 false
-0.137 false
-0.138 false
-0.16 false
-0.213 false
-0.256 false
-0.273 false
-0.258 false
-0.226 false
-0.167 false
-0.093 false
-0.019 false
0.073 false
0.154 false
0.248 false
0.332 false
0.435 false
0.506 false
0.58 false
0.637 false
0.687 false
0.736 false
0.794 false
0.83 false
0.844 false
0.853 false
0.855 false
0.849 false
0.835 false
0.807 false
0.755 false
0.682 false
0.602 false
0.5 false
0.388 false
0.278 false
0.174 false
0.088 false
0.009 false
-0.059 false
-0.113 false
-0.133 false
-0.115 false
-0.111 false
-0.098 false
-0.05 false
-0.035 false
-0.032 false
-0.025 false
-0.029 false
-0.05 false
-0.051 false
-0.089 false
-0.119 false
-0.146 false
-0.185 false
-0.234 false
-0.237 false
-0.197 false
-0.154 false
-0.073 false
0.017 false
0.063 false
0.132 false
0.217 false
0.3 false
0.392 false

Forecast data




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