13 (木)	07:47	00:40	18:22	12:47
	124cm	24cm	127cm	87cm
中潮 出 05:43 入 17:06 出 21:13 入 10:38

那珂湊（茨城）2033年10月13日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
10/13 00:00	25.5	↓-1.3
10/13 00:10	24.4	↓-1.1
10/13 00:20	23.7	↓-0.7
10/13 00:30	23.2	↓-0.5	干潮
10/13 00:40	23.1	↓-0.1	干潮
10/13 00:50	23.3	↑0.2
10/13 01:00	23.7	↑0.4
10/13 01:10	24.5	↑0.8
10/13 01:20	25.5	↑1.0
10/13 01:30	26.8	↑1.3
10/13 01:40	28.4	↑1.6
10/13 01:50	30.2	↑1.8
10/13 02:00	32.2	↑2.0
10/13 02:10	34.5	↑2.3
10/13 02:20	37.0	↑2.5
10/13 02:30	39.7	↑2.7
10/13 02:40	42.6	↑2.9
10/13 02:50	45.6	↑3.0
10/13 03:00	48.8	↑3.2
10/13 03:10	52.1	↑3.3
10/13 03:20	55.5	↑3.4
10/13 03:30	59.0	↑3.5
10/13 03:40	62.6	↑3.6
10/13 03:50	66.2	↑3.6
10/13 04:00	69.9	↑3.7
10/13 04:10	73.5	↑3.6
10/13 04:20	77.2	↑3.7
10/13 04:30	80.9	↑3.7
10/13 04:40	84.5	↑3.6
10/13 04:50	88.0	↑3.5
10/13 05:00	91.5	↑3.5
10/13 05:10	94.9	↑3.4
10/13 05:20	98.2	↑3.3
10/13 05:30	101.3	↑3.1
10/13 05:40	104.2	↑2.9
10/13 05:50	107.0	↑2.8
10/13 06:00	109.7	↑2.7
10/13 06:10	112.1	↑2.4
10/13 06:20	114.3	↑2.2
10/13 06:30	116.3	↑2.0
10/13 06:40	118.0	↑1.7
10/13 06:50	119.6	↑1.6
10/13 07:00	120.8	↑1.2
10/13 07:10	121.9	↑1.1
10/13 07:20	122.6	↑0.7
10/13 07:30	123.2	↑0.6
10/13 07:40	123.4	↑0.2	満潮
10/13 07:50	123.5	↑0.1
10/13 08:00	123.3	↓-0.2
10/13 08:10	122.8	↓-0.5
10/13 08:20	122.2	↓-0.6
10/13 08:30	121.3	↓-0.9
10/13 08:40	120.2	↓-1.1
10/13 08:50	119.0	↓-1.2
10/13 09:00	117.6	↓-1.4
10/13 09:10	116.1	↓-1.5
10/13 09:20	114.4	↓-1.7
10/13 09:30	112.7	↓-1.7
10/13 09:40	110.9	↓-1.8
10/13 09:50	109.0	↓-1.9
10/13 10:00	107.0	↓-2.0
10/13 10:10	105.1	↓-1.9
10/13 10:20	103.2	↓-1.9
10/13 10:30	101.3	↓-1.9
10/13 10:40	99.4	↓-1.9
10/13 10:50	97.7	↓-1.7
10/13 11:00	96.0	↓-1.7
10/13 11:10	94.4	↓-1.6
10/13 11:20	92.9	↓-1.5
10/13 11:30	91.5	↓-1.4
10/13 11:40	90.3	↓-1.2
10/13 11:50	89.3	↓-1.0
10/13 12:00	88.4	↓-0.9
10/13 12:10	87.7	↓-0.7
10/13 12:20	87.1	↓-0.6
10/13 12:30	86.8	↓-0.3
10/13 12:40	86.6	↓-0.2	干潮
10/13 12:50	86.5	↓-0.1
10/13 13:00	86.7	↑0.2
10/13 13:10	87.0	↑0.3
10/13 13:20	87.5	↑0.5
10/13 13:30	88.1	↑0.6
10/13 13:40	88.9	↑0.8
10/13 13:50	89.9	↑1.0
10/13 14:00	91.0	↑1.1
10/13 14:10	92.2	↑1.2
10/13 14:20	93.5	↑1.3
10/13 14:30	94.9	↑1.4
10/13 14:40	96.4	↑1.5
10/13 14:50	98.1	↑1.7
10/13 15:00	99.7	↑1.6
10/13 15:10	101.4	↑1.7
10/13 15:20	103.2	↑1.8
10/13 15:30	105.0	↑1.8
10/13 15:40	106.8	↑1.8
10/13 15:50	108.6	↑1.8
10/13 16:00	110.4	↑1.8
10/13 16:10	112.2	↑1.8
10/13 16:20	113.9	↑1.7
10/13 16:30	115.6	↑1.7
10/13 16:40	117.2	↑1.6
10/13 16:50	118.7	↑1.5
10/13 17:00	120.1	↑1.4
10/13 17:10	121.4	↑1.3
10/13 17:20	122.5	↑1.1
10/13 17:30	123.6	↑1.1
10/13 17:40	124.4	↑0.8
10/13 17:50	125.1	↑0.7
10/13 18:00	125.7	↑0.6
10/13 18:10	126.0	↑0.3
10/13 18:20	126.1	↑0.1	満潮
10/13 18:30	126.0	↓-0.1
10/13 18:40	125.7	↓-0.3
10/13 18:50	125.2	↓-0.5
10/13 19:00	124.4	↓-0.8
10/13 19:10	123.4	↓-1.0
10/13 19:20	122.2	↓-1.2
10/13 19:30	120.7	↓-1.5
10/13 19:40	119.0	↓-1.7
10/13 19:50	117.0	↓-2.0
10/13 20:00	114.9	↓-2.1
10/13 20:10	112.5	↓-2.4
10/13 20:20	109.9	↓-2.6
10/13 20:30	107.1	↓-2.8
10/13 20:40	104.1	↓-3.0
10/13 20:50	101.0	↓-3.1
10/13 21:00	97.7	↓-3.3
10/13 21:10	94.3	↓-3.4
10/13 21:20	90.8	↓-3.5
10/13 21:30	87.2	↓-3.6
10/13 21:40	83.5	↓-3.7
10/13 21:50	79.8	↓-3.7
10/13 22:00	76.0	↓-3.8	最大潮位差
10/13 22:10	72.3	↓-3.7
10/13 22:20	68.6	↓-3.7
10/13 22:30	64.9	↓-3.7
10/13 22:40	61.3	↓-3.6
10/13 22:50	57.8	↓-3.5
10/13 23:00	54.5	↓-3.3
10/13 23:10	51.2	↓-3.3
10/13 23:20	48.1	↓-3.1
10/13 23:30	45.2	↓-2.9
10/13 23:40	42.5	↓-2.7
10/13 23:50	40.0	↓-2.5