Tidal level Dorset Coast at Portland

Check for flood warnings in this area

Latest recorded level 0.82m at 7:00am Monday 20 May 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
0.818 false
0.649 false
0.452 false
0.25 false
0.055 false
-0.128 false
-0.308 false
-0.464 false
-0.589 false
-0.648 false
-0.65 false
-0.623 false
-0.571 false
-0.529 false
-0.494 false
-0.45 false
-0.424 false
-0.403 false
-0.382 false
-0.36 false
-0.371 false
-0.429 false
-0.515 false
-0.594 false
-0.607 false
-0.56 false
-0.448 false
-0.3 false
-0.137 false
0.048 false
0.233 false
0.408 false
0.59 false
0.757 false
0.902 false
1.037 false
1.149 false
1.239 false
1.305 false
1.361 false
1.389 false
1.415 false
1.431 false
1.425 false
1.402 false
1.379 false
1.334 false
1.255 false
1.157 false
1.025 false
0.85 false
0.652 false
0.445 false
0.242 false
0.052 false
-0.137 false
-0.315 false
-0.472 false
-0.562 false
-0.594 false
-0.577 false
-0.546 false
-0.513 false
-0.492 false
-0.466 false
-0.441 false
-0.411 false
-0.418 false
-0.407 false
-0.392 false
-0.452 false
-0.541 false
-0.617 false
-0.656 false
-0.62 false
-0.529 false
-0.392 false
-0.236 false
-0.063 false
0.134 false
0.309 false
0.48 false
0.636 false
0.775 false
0.907 false
1.032 false
1.13 false
1.192 false
1.245 false
1.276 false
1.294 false
1.327 false
1.321 false
1.307 false
1.288 false
1.25 false
1.181 false
1.106 false
0.993 false
0.841 false
0.659 false
0.463 false
0.268 false
0.077 false
-0.106 false
-0.29 false
-0.455 false
-0.559 false
-0.599 false
-0.597 false
-0.566 false
-0.522 false
-0.484 false
-0.45 false
-0.424 false
-0.399 false
-0.377 false
-0.367 false
-0.338 false
-0.363 false
-0.442 false
-0.525 false
-0.59 false
-0.583 false
-0.502 false
-0.397 false
-0.242 false
-0.07 false
0.114 false
0.299 false
0.478 false
0.648 false
0.804 false
0.951 false
1.075 false
1.178 false
1.263 false
1.313 false
1.354 false
1.391 false
1.398 false
1.402 false
1.381 false
1.354 false
1.314 false
1.251 false
1.167 false
1.058 false
0.923 false
0.733 false
0.529 false
0.327 false
0.119 false
-0.075 false
-0.261 false
-0.427 false
-0.567 false
-0.643 false
-0.66 false
-0.647 false
-0.614 false
-0.583 false
-0.554 false
-0.515 false
-0.49 false
-0.493 false
-0.474 false
-0.455 false
-0.451 false
-0.495 false
-0.58 false
-0.653 false
-0.67 false
-0.619 false
-0.503 false
-0.362 false
-0.211 false
-0.032 false
0.135 false
0.312 false
0.475 false
0.634 false
0.775 false
0.904 false
1.004 false
1.089 false
1.163 false
1.217 false
1.248 false
1.272 false
1.282 false
1.281 false
1.268 false
1.252 false
1.217 false
1.156 false
1.066 false
0.948 false
0.786 false
0.605 false
0.414 false
0.212 false
0.032 false
-0.14 false
-0.311 false
-0.444 false
-0.531 false
-0.562 false
-0.56 false
-0.522 false
-0.476 false
-0.432 false
-0.409 false
-0.39 false
-0.375 false
-0.357 false
-0.332 false
-0.321 false
-0.347 false
-0.412 false
-0.503 false
-0.554 false
-0.541 false
-0.473 false
-0.353 false
-0.205 false
-0.048 false
0.115 false
0.277 false
0.446 false
0.614 false
0.756 false
0.882 false
0.987 false
1.096 false
1.172 false
1.224 false
1.256 false
1.289 false
1.308 false
1.31 false
1.299 false
1.267 false
1.229 false
1.173 false
1.087 false
0.966 false
0.817 false
0.653 false
0.463 false
0.269 false
0.073 false
-0.119 false
-0.284 false
-0.432 false
-0.555 false
-0.62 false
-0.642 false
-0.623 false
-0.576 false
-0.552 false
-0.53 false
-0.504 false
-0.467 false
-0.457 false
-0.444 false
-0.436 false
-0.427 false
-0.468 false
-0.532 false
-0.614 false
-0.645 false
-0.594 false
-0.51 false
-0.381 false
-0.241 false
-0.1 false
0.054 false
0.215 false
0.382 false
0.513 false
0.648 false
0.775 false
0.875 false
0.957 false
1.03 false
1.074 false
1.11 false
1.144 false
1.15 false
1.155 false
1.131 false
1.128 false
1.092 false
1.037 false
0.961 false
0.842 false
0.716 false
0.552 false
0.385 false
0.209 false
0.049 false
-0.106 false
-0.234 false
-0.362 false
-0.439 false
-0.475 false
-0.471 false
-0.435 false
-0.395 false
-0.379 false
-0.35 false
-0.326 false
-0.306 false
-0.317 false
-0.302 false
-0.292 false
-0.305 false
-0.359 false
-0.435 false
-0.488 false
-0.479 false
-0.434 false
-0.337 false
-0.205 false
-0.052 false
0.076 false
0.233 false
0.365 false
0.508 false
0.629 false
0.752 false
0.854 false
0.942 false
1.007 false
1.05 false
1.093 false
1.125 false
1.138 false
1.126 false
1.118 false
1.095 false
1.049 false
1.002 false
0.921 false
0.826 false
0.688 false
0.534 false
0.377 false
0.193 false
0.007 false
-0.158 false
-0.299 false
-0.435 false
-0.55 false
-0.622 false
-0.653 false
-0.654 false
-0.626 false
-0.598 false
-0.568 false
-0.534 false
-0.505 false
-0.492 false
-0.483 false
-0.479 false
-0.47 false
-0.49 false
-0.531 false
-0.567 false
-0.609 false
-0.591 false
-0.528 false
-0.461 false
-0.348 false
-0.207 false
-0.08 false
0.032 false
0.164 false
0.297 false
0.401 false
0.53 false
0.63 false
0.711 false
0.764 false
0.827 false
0.863 false
0.902 false
0.944 false
0.942 false
0.931 false
0.927 false
0.909 false
0.877 false
0.833 false
0.742 false
0.635 false
0.494 false
0.368 false
0.235 false
0.087 false
-0.047 false
-0.155 false
-0.262 false
-0.324 false
-0.375 false
-0.391 false
-0.369 false
-0.349 false
-0.322 false
-0.29 false
-0.279 false
-0.273 false
-0.266 false
-0.263 false
-0.279 false
-0.272 false
-0.306 false
-0.37 false
-0.428 false
-0.427 false
-0.416 false
-0.371 false
-0.293 false
-0.182 false
-0.087 false
0.033 false
0.145 false
0.253 false
0.351 false
0.451 false
0.554 false
0.622 false
0.699 false
0.746 false
0.781 false
0.811 false
0.844 false
0.862 false
0.855 false
0.836 false
0.817 false
0.78 false
0.729 false
0.655 false
0.56 false
0.439 false
0.304 false
0.176 false
0.033 false
-0.11 false
-0.237 false
-0.358 false
-0.456 false
-0.529 false
-0.581 false
-0.584 false
-0.58 false
-0.552 false
-0.532 false
-0.497 false
-0.481 false
-0.461 false
-0.46 false
-0.469 false
-0.46 false
-0.456 false
-0.481 false
-0.544 false
-0.572 false
-0.589 false
-0.574 false
-0.531 false
-0.462 false
-0.383 false
-0.292 false
-0.186 false
-0.091 false
-0.012 false
0.096 false

Forecast data




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