Tidal level Dorset Coast at Portland

Check for flood warnings in this area

Latest recorded level -0.35m at 4:00pm Monday 25 March 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
-0.348 false
-0.347 false
-0.369 false
-0.426 false
-0.525 false
-0.624 false
-0.691 false
-0.701 false
-0.628 false
-0.524 false
-0.379 false
-0.236 false
-0.078 false
0.079 false
0.252 false
0.414 false
0.553 false
0.694 false
0.798 false
0.888 false
0.968 false
1.027 false
1.073 false
1.107 false
1.125 false
1.123 false
1.113 false
1.081 false
1.071 false
0.999 false
0.904 false
0.755 false
0.614 false
0.437 false
0.239 false
0.048 false
-0.132 false
-0.327 false
-0.512 false
-0.662 false
-0.762 false
-0.792 false
-0.786 false
-0.742 false
-0.704 false
-0.68 false
-0.665 false
-0.644 false
-0.624 false
-0.627 false
-0.609 false
-0.606 false
-0.649 false
-0.765 false
-0.88 false
-0.946 false
-0.94 false
-0.849 false
-0.731 false
-0.574 false
-0.402 false
-0.212 false
-0.026 false
0.148 false
0.322 false
0.479 false
0.621 false
0.74 false
0.84 false
0.928 false
0.974 false
0.999 false
1.031 false
1.039 false
1.039 false
1.005 false
0.985 false
0.963 false
0.887 false
0.807 false
0.698 false
0.547 false
0.361 false
0.152 false
-0.047 false
-0.249 false
-0.465 false
-0.667 false
-0.855 false
-0.971 false
-0.997 false
-0.998 false
-0.969 false
-0.939 false
-0.904 false
-0.893 false
-0.853 false
-0.835 false
-0.807 false
-0.787 false
-0.765 false
-0.808 false
-0.917 false
-1 false
-1 false
-1.001 false
-0.963 false
-0.812 false
-0.632 false
-0.43 false
-0.214 false
-0.007 false
0.197 false
0.386 false
0.569 false
0.729 false
0.874 false
1 false
1.104 false
1.164 false
1.189 false
1.223 false
1.247 false
1.269 false
1.25 false
1.222 false
1.191 false
1.137 false
1.08 false
0.952 false
0.79 false
0.599 false
0.376 false
0.148 false
-0.07 false
-0.296 false
-0.521 false
-0.714 false
-0.858 false
-0.92 false
-0.932 false
-0.897 false
-0.844 false
-0.805 false
-0.781 false
-0.754 false
-0.717 false
-0.683 false
-0.658 false
-0.646 false
-0.682 false
-0.749 false
-0.86 false
-0.963 false
-0.979 false
-0.932 false
-0.792 false
-0.617 false
-0.405 false
-0.193 false
0.015 false
0.227 false
0.422 false
0.617 false
0.778 false
0.924 false
1.051 false
1.152 false
1.224 false
1.267 false
1.281 false
1.319 false
1.336 false
1.314 false
1.28 false
1.242 false
1.196 false
1.105 false
0.999 false
0.829 false
0.613 false
0.384 false
0.137 false
-0.107 false
-0.35 false
-0.596 false
-0.808 false
-0.987 false
-1.001 false
-1.001 false
-1 false
-1.001 false
-0.992 false
-0.928 false
-0.89 false
-0.846 false
-0.799 false
-0.766 false
-0.724 false
-0.689 false
-0.737 false
-0.835 false
-0.947 false
-1.001 false
-0.977 false
-0.855 false
-0.687 false
-0.478 false
-0.261 false
-0.032 false
0.198 false
0.417 false
0.628 false
0.809 false
0.967 false
1.112 false
1.235 false
1.326 false
1.387 false
1.412 false
1.429 false
1.45 false
1.453 false
1.437 false
1.396 false
1.36 false
1.296 false
1.194 false
1.056 false
0.881 false
0.653 false
0.403 false
0.15 false
-0.106 false
-0.344 false
-0.598 false
-0.814 false
-0.971 false
-1 false
-1.001 false
-1.001 false
-0.965 false
-0.928 false
-0.887 false
-0.837 false
-0.834 false
-0.818 false
-0.777 false
-0.735 false
-0.78 false
-0.888 false
-0.993 false
-1.001 false
-1.001 false
-0.973 false
-0.818 false
-0.623 false
-0.377 false
-0.15 false
0.085 false
0.315 false
0.513 false
0.675 false
0.837 false
0.987 false
1.11 false
1.189 false
1.236 false
1.258 false
1.276 false
1.286 false
1.288 false
1.258 false
1.217 false
1.176 false
1.118 false
1.016 false
0.889 false
0.698 false
0.488 false
0.261 false
0.003 false
-0.272 false
-0.536 false
-0.793 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1 false
-1.001 false
-0.962 false
-0.917 false
-0.891 false
-0.941 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-0.894 false
-0.691 false
-0.468 false
-0.224 false
0.015 false
0.243 false
0.475 false
0.675 false
0.854 false
1.015 false
1.158 false
1.269 false
1.354 false
1.396 false
1.428 false
1.436 false
1.439 false
1.442 false
1.419 false
1.369 false
1.317 false
1.251 false
1.141 false
1.005 false
0.805 false
0.564 false
0.33 false
0.078 false
-0.179 false
-0.427 false
-0.666 false
-0.88 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-0.956 false
-0.911 false
-0.889 false
-0.854 false
-0.827 false
-0.802 false
-0.758 false
-0.731 false
-0.768 false
-0.875 false
-0.984 false
-1.001 false
-1 false
-0.904 false
-0.754 false
-0.553 false
-0.315 false
-0.077 false
0.142 false
0.348 false
0.539 false
0.711 false
0.86 false
1.004 false
1.119 false
1.193 false
1.246 false
1.264 false
1.261 false
1.28 false
1.281 false
1.245 false
1.202 false
1.149 false
1.081 false
0.982 false
0.822 false
0.644 false
0.439 false
0.189 false
-0.071 false
-0.335 false
-0.615 false
-0.856 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-1 false
-1.001 false
-1.001 false
-0.995 false
-0.943 false
-0.921 false
-0.971 false
-1.001 false
-1.001 false
-1.001 false
-1.001 false
-0.94 false
-0.754 false
-0.531 false
-0.305 false
-0.095 false
0.126 false
0.348 false
0.539 false
0.7 false
0.861 false
0.991 false
1.107 false
1.18 false
1.236 false
1.252 false
1.258 false
1.272 false
1.273 false
1.243 false
1.208 false
1.158 false
1.095 false
0.983 false
0.841 false
0.678 false
0.474 false
0.243 false
0.009 false
-0.227 false
-0.459 false
-0.673 false
-0.866 false
-0.986 false
-1 false
-1.001 false
-0.996 false
-0.951 false
-0.923 false
-0.885 false
-0.854 false
-0.828 false
-0.812 false
-0.787 false
-0.76 false
-0.789 false
-0.878 false
-0.951 false
-0.99 false
-0.975 false
-0.872 false
-0.715 false
-0.528 false
-0.311 false
-0.111 false
0.081 false
0.278 false
0.458 false
0.617 false
0.759 false
0.889 false
0.982 false
1.069 false
1.114 false
1.154 false
1.176 false
1.186 false
1.191 false
1.18 false
1.139 false
1.091 false
1.023 false
0.941 false
0.808 false
0.634 false
0.429 false
0.206 false
-0.024 false

Forecast data




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