13 (土)	08:45	01:11	18:24	12:57
	118cm	20cm	127cm	100cm
中潮 出 05:43 入 17:06 出 11:38 入 21:36

那珂湊（茨城）2029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	26.7	↓-2.0
10/13 00:10	24.9	↓-1.8
10/13 00:20	23.4	↓-1.5
10/13 00:30	22.2	↓-1.2
10/13 00:40	21.2	↓-1.0
10/13 00:50	20.5	↓-0.7
10/13 01:00	20.1	↓-0.4
10/13 01:10	20.0	↓-0.1	干潮
10/13 01:20	20.1	↑0.1
10/13 01:30	20.5	↑0.4
10/13 01:40	21.2	↑0.7
10/13 01:50	22.1	↑0.9
10/13 02:00	23.2	↑1.1
10/13 02:10	24.6	↑1.4
10/13 02:20	26.3	↑1.7
10/13 02:30	28.1	↑1.8
10/13 02:40	30.1	↑2.0
10/13 02:50	32.4	↑2.3
10/13 03:00	34.8	↑2.4
10/13 03:10	37.3	↑2.5
10/13 03:20	40.1	↑2.8
10/13 03:30	42.9	↑2.8
10/13 03:40	45.9	↑3.0
10/13 03:50	49.0	↑3.1
10/13 04:00	52.2	↑3.2
10/13 04:10	55.4	↑3.2
10/13 04:20	58.7	↑3.3
10/13 04:30	62.1	↑3.4
10/13 04:40	65.5	↑3.4
10/13 04:50	68.9	↑3.4
10/13 05:00	72.3	↑3.4
10/13 05:10	75.7	↑3.4
10/13 05:20	79.0	↑3.3
10/13 05:30	82.3	↑3.3
10/13 05:40	85.5	↑3.2
10/13 05:50	88.6	↑3.1
10/13 06:00	91.6	↑3.0
10/13 06:10	94.5	↑2.9
10/13 06:20	97.3	↑2.8
10/13 06:30	100.0	↑2.7
10/13 06:40	102.4	↑2.4
10/13 06:50	104.8	↑2.4
10/13 07:00	106.9	↑2.1
10/13 07:10	108.9	↑2.0
10/13 07:20	110.6	↑1.7
10/13 07:30	112.2	↑1.6
10/13 07:40	113.5	↑1.3
10/13 07:50	114.7	↑1.2
10/13 08:00	115.6	↑0.9
10/13 08:10	116.4	↑0.8
10/13 08:20	116.9	↑0.5
10/13 08:30	117.3	↑0.4
10/13 08:40	117.4	↑0.1	満潮
10/13 08:50	117.4	0
10/13 09:00	117.2	↓-0.2
10/13 09:10	116.8	↓-0.4
10/13 09:20	116.3	↓-0.5
10/13 09:30	115.7	↓-0.6
10/13 09:40	115.0	↓-0.7
10/13 09:50	114.1	↓-0.9
10/13 10:00	113.2	↓-0.9
10/13 10:10	112.2	↓-1.0
10/13 10:20	111.1	↓-1.1
10/13 10:30	110.0	↓-1.1
10/13 10:40	108.9	↓-1.1
10/13 10:50	107.8	↓-1.1
10/13 11:00	106.7	↓-1.1
10/13 11:10	105.7	↓-1.0
10/13 11:20	104.7	↓-1.0
10/13 11:30	103.7	↓-1.0
10/13 11:40	102.8	↓-0.9
10/13 11:50	102.1	↓-0.7
10/13 12:00	101.4	↓-0.7
10/13 12:10	100.8	↓-0.6
10/13 12:20	100.3	↓-0.5
10/13 12:30	99.9	↓-0.4
10/13 12:40	99.6	↓-0.3
10/13 12:50	99.5	↓-0.1	干潮
10/13 13:00	99.5	0
10/13 13:10	99.6	↑0.1
10/13 13:20	99.8	↑0.2
10/13 13:30	100.2	↑0.4
10/13 13:40	100.6	↑0.4
10/13 13:50	101.2	↑0.6
10/13 14:00	101.8	↑0.6
10/13 14:10	102.6	↑0.8
10/13 14:20	103.5	↑0.9
10/13 14:30	104.4	↑0.9
10/13 14:40	105.4	↑1.0
10/13 14:50	106.5	↑1.1
10/13 15:00	107.6	↑1.1
10/13 15:10	108.7	↑1.1
10/13 15:20	109.9	↑1.2
10/13 15:30	111.2	↑1.3
10/13 15:40	112.4	↑1.2
10/13 15:50	113.7	↑1.3
10/13 16:00	115.0	↑1.3
10/13 16:10	116.2	↑1.2
10/13 16:20	117.4	↑1.2
10/13 16:30	118.6	↑1.2
10/13 16:40	119.8	↑1.2
10/13 16:50	120.9	↑1.1
10/13 17:00	121.9	↑1.0
10/13 17:10	122.8	↑0.9
10/13 17:20	123.7	↑0.9
10/13 17:30	124.5	↑0.8
10/13 17:40	125.1	↑0.6
10/13 17:50	125.7	↑0.6
10/13 18:00	126.1	↑0.4
10/13 18:10	126.4	↑0.3
10/13 18:20	126.5	↑0.1	満潮
10/13 18:30	126.4	↓-0.1
10/13 18:40	126.2	↓-0.2
10/13 18:50	125.9	↓-0.3
10/13 19:00	125.3	↓-0.6
10/13 19:10	124.5	↓-0.8
10/13 19:20	123.6	↓-0.9
10/13 19:30	122.4	↓-1.2
10/13 19:40	121.1	↓-1.3
10/13 19:50	119.6	↓-1.5
10/13 20:00	117.8	↓-1.8
10/13 20:10	115.9	↓-1.9
10/13 20:20	113.8	↓-2.1
10/13 20:30	111.4	↓-2.4
10/13 20:40	108.9	↓-2.5
10/13 20:50	106.3	↓-2.6
10/13 21:00	103.5	↓-2.8
10/13 21:10	100.5	↓-3.0
10/13 21:20	97.4	↓-3.1
10/13 21:30	94.2	↓-3.2
10/13 21:40	90.8	↓-3.4
10/13 21:50	87.4	↓-3.4
10/13 22:00	84.0	↓-3.4
10/13 22:10	80.4	↓-3.6	最大潮位差
10/13 22:20	76.9	↓-3.5
10/13 22:30	73.3	↓-3.6	最大潮位差
10/13 22:40	69.8	↓-3.5
10/13 22:50	66.3	↓-3.5
10/13 23:00	62.9	↓-3.4
10/13 23:10	59.5	↓-3.4
10/13 23:20	56.2	↓-3.3
10/13 23:30	53.0	↓-3.2
10/13 23:40	50.0	↓-3.0
10/13 23:50	47.1	↓-2.9