13 (土)	08:32	01:09	18:15	12:46
	121cm	25cm	143cm	102cm
中潮 出 05:43 入 17:06 出 11:39 入 21:35

日立（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	30.7	↓-2.0
10/13 00:10	28.9	↓-1.8
10/13 00:20	27.4	↓-1.5
10/13 00:30	26.2	↓-1.2
10/13 00:40	25.3	↓-0.9
10/13 00:50	24.6	↓-0.7
10/13 01:00	24.2	↓-0.4	干潮
10/13 01:10	24.2	0
10/13 01:20	24.4	↑0.2
10/13 01:30	24.8	↑0.4
10/13 01:40	25.6	↑0.8
10/13 01:50	26.7	↑1.1
10/13 02:00	28.0	↑1.3
10/13 02:10	29.6	↑1.6
10/13 02:20	31.4	↑1.8
10/13 02:30	33.4	↑2.0
10/13 02:40	35.7	↑2.3
10/13 02:50	38.2	↑2.5
10/13 03:00	40.9	↑2.7
10/13 03:10	43.8	↑2.9
10/13 03:20	46.9	↑3.1
10/13 03:30	50.0	↑3.1
10/13 03:40	53.3	↑3.3
10/13 03:50	56.6	↑3.3
10/13 04:00	60.1	↑3.5
10/13 04:10	63.6	↑3.5
10/13 04:20	67.0	↑3.4
10/13 04:30	70.5	↑3.5
10/13 04:40	74.0	↑3.5
10/13 04:50	77.5	↑3.5
10/13 05:00	80.9	↑3.4
10/13 05:10	84.2	↑3.3
10/13 05:20	87.4	↑3.2
10/13 05:30	90.5	↑3.1
10/13 05:40	93.6	↑3.1
10/13 05:50	96.4	↑2.8
10/13 06:00	99.2	↑2.8
10/13 06:10	101.8	↑2.6
10/13 06:20	104.3	↑2.5
10/13 06:30	106.6	↑2.3
10/13 06:40	108.8	↑2.2
10/13 06:50	110.7	↑1.9
10/13 07:00	112.5	↑1.8
10/13 07:10	114.1	↑1.6
10/13 07:20	115.6	↑1.5
10/13 07:30	116.8	↑1.2
10/13 07:40	117.8	↑1.0
10/13 07:50	118.7	↑0.9
10/13 08:00	119.4	↑0.7
10/13 08:10	119.8	↑0.4
10/13 08:20	120.1	↑0.3
10/13 08:30	120.2	↑0.1	満潮
10/13 08:40	120.1	↓-0.1
10/13 08:50	119.9	↓-0.2
10/13 09:00	119.5	↓-0.4
10/13 09:10	119.0	↓-0.5
10/13 09:20	118.3	↓-0.7
10/13 09:30	117.5	↓-0.8
10/13 09:40	116.7	↓-0.8
10/13 09:50	115.7	↓-1.0
10/13 10:00	114.7	↓-1.0
10/13 10:10	113.6	↓-1.1
10/13 10:20	112.5	↓-1.1
10/13 10:30	111.4	↓-1.1
10/13 10:40	110.3	↓-1.1
10/13 10:50	109.2	↓-1.1
10/13 11:00	108.2	↓-1.0
10/13 11:10	107.2	↓-1.0
10/13 11:20	106.2	↓-1.0
10/13 11:30	105.3	↓-0.9
10/13 11:40	104.5	↓-0.8
10/13 11:50	103.8	↓-0.7
10/13 12:00	103.2	↓-0.6
10/13 12:10	102.7	↓-0.5
10/13 12:20	102.4	↓-0.3
10/13 12:30	102.1	↓-0.3
10/13 12:40	102.0	↓-0.1	干潮
10/13 12:50	102.0	0
10/13 13:00	102.1	↑0.1
10/13 13:10	102.4	↑0.3
10/13 13:20	102.8	↑0.4
10/13 13:30	103.4	↑0.6
10/13 13:40	104.1	↑0.7
10/13 13:50	105.0	↑0.9
10/13 14:00	106.0	↑1.0
10/13 14:10	107.1	↑1.1
10/13 14:20	108.4	↑1.3
10/13 14:30	109.9	↑1.5
10/13 14:40	111.4	↑1.5
10/13 14:50	113.1	↑1.7
10/13 15:00	114.8	↑1.7
10/13 15:10	116.6	↑1.8
10/13 15:20	118.5	↑1.9
10/13 15:30	120.5	↑2.0
10/13 15:40	122.4	↑1.9
10/13 15:50	124.4	↑2.0
10/13 16:00	126.4	↑2.0
10/13 16:10	128.3	↑1.9
10/13 16:20	130.2	↑1.9
10/13 16:30	132.0	↑1.8
10/13 16:40	133.7	↑1.7
10/13 16:50	135.3	↑1.6
10/13 17:00	136.8	↑1.5
10/13 17:10	138.1	↑1.3
10/13 17:20	139.3	↑1.2
10/13 17:30	140.2	↑0.9
10/13 17:40	141.0	↑0.8
10/13 17:50	141.6	↑0.6
10/13 18:00	142.0	↑0.4
10/13 18:10	142.2	↑0.2	満潮
10/13 18:20	142.2	0
10/13 18:30	141.9	↓-0.3
10/13 18:40	141.5	↓-0.4
10/13 18:50	140.8	↓-0.7
10/13 19:00	139.8	↓-1.0
10/13 19:10	138.7	↓-1.1
10/13 19:20	137.3	↓-1.4
10/13 19:30	135.7	↓-1.6
10/13 19:40	133.9	↓-1.8
10/13 19:50	131.9	↓-2.0
10/13 20:00	129.7	↓-2.2
10/13 20:10	127.3	↓-2.4
10/13 20:20	124.7	↓-2.6
10/13 20:30	121.9	↓-2.8
10/13 20:40	119.0	↓-2.9
10/13 20:50	115.9	↓-3.1
10/13 21:00	112.7	↓-3.2
10/13 21:10	109.3	↓-3.4
10/13 21:20	105.9	↓-3.4
10/13 21:30	102.3	↓-3.6
10/13 21:40	98.7	↓-3.6
10/13 21:50	95.1	↓-3.6
10/13 22:00	91.4	↓-3.7	最大潮位差
10/13 22:10	87.7	↓-3.7	最大潮位差
10/13 22:20	84.0	↓-3.7	最大潮位差
10/13 22:30	80.4	↓-3.6
10/13 22:40	76.8	↓-3.6
10/13 22:50	73.2	↓-3.6
10/13 23:00	69.8	↓-3.4
10/13 23:10	66.5	↓-3.3
10/13 23:20	63.3	↓-3.2
10/13 23:30	60.2	↓-3.1
10/13 23:40	57.2	↓-3.0
10/13 23:50	54.4	↓-2.8