1 (日)	05:58	11:40	17:30	-
	146cm	70cm	150cm	-
中潮 出 05:33 入 17:23 出 19:48 入 08:40

日立（茨城）2034年10月1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
10/1 00:00	30.9	↑0.9
10/1 00:10	32.2	↑1.3
10/1 00:20	33.9	↑1.7
10/1 00:30	35.9	↑2.0
10/1 00:40	38.4	↑2.5
10/1 00:50	41.1	↑2.7
10/1 01:00	44.2	↑3.1
10/1 01:10	47.6	↑3.4
10/1 01:20	51.3	↑3.7
10/1 01:30	55.2	↑3.9
10/1 01:40	59.4	↑4.2
10/1 01:50	63.8	↑4.4
10/1 02:00	68.3	↑4.5
10/1 02:10	73.0	↑4.7
10/1 02:20	77.8	↑4.8
10/1 02:30	82.6	↑4.8
10/1 02:40	87.5	↑4.9	最大潮位差
10/1 02:50	92.3	↑4.8
10/1 03:00	97.1	↑4.8
10/1 03:10	101.8	↑4.7
10/1 03:20	106.4	↑4.6
10/1 03:30	110.9	↑4.5
10/1 03:40	115.1	↑4.2
10/1 03:50	119.2	↑4.1
10/1 04:00	123.0	↑3.8
10/1 04:10	126.6	↑3.6
10/1 04:20	129.9	↑3.3
10/1 04:30	132.9	↑3.0
10/1 04:40	135.6	↑2.7
10/1 04:50	138.0	↑2.4
10/1 05:00	140.1	↑2.1
10/1 05:10	141.8	↑1.7
10/1 05:20	143.2	↑1.4
10/1 05:30	144.3	↑1.1
10/1 05:40	145.1	↑0.8
10/1 05:50	145.5	↑0.4	満潮
10/1 06:00	145.5	0
10/1 06:10	145.2	↓-0.3
10/1 06:20	144.6	↓-0.6
10/1 06:30	143.7	↓-0.9
10/1 06:40	142.4	↓-1.3
10/1 06:50	140.8	↓-1.6
10/1 07:00	139.0	↓-1.8
10/1 07:10	136.8	↓-2.2
10/1 07:20	134.4	↓-2.4
10/1 07:30	131.8	↓-2.6
10/1 07:40	128.9	↓-2.9
10/1 07:50	125.9	↓-3.0
10/1 08:00	122.6	↓-3.3
10/1 08:10	119.3	↓-3.3
10/1 08:20	115.9	↓-3.4
10/1 08:30	112.3	↓-3.6
10/1 08:40	108.8	↓-3.5
10/1 08:50	105.2	↓-3.6
10/1 09:00	101.7	↓-3.5
10/1 09:10	98.3	↓-3.4
10/1 09:20	94.9	↓-3.4
10/1 09:30	91.7	↓-3.2
10/1 09:40	88.6	↓-3.1
10/1 09:50	85.6	↓-3.0
10/1 10:00	82.9	↓-2.7
10/1 10:10	80.4	↓-2.5
10/1 10:20	78.1	↓-2.3
10/1 10:30	76.0	↓-2.1
10/1 10:40	74.2	↓-1.8
10/1 10:50	72.7	↓-1.5
10/1 11:00	71.4	↓-1.3
10/1 11:10	70.5	↓-0.9
10/1 11:20	69.8	↓-0.7
10/1 11:30	69.4	↓-0.4	干潮
10/1 11:40	69.3	↓-0.1	干潮
10/1 11:50	69.4	↑0.1
10/1 12:00	69.9	↑0.5
10/1 12:10	70.7	↑0.8
10/1 12:20	71.8	↑1.1
10/1 12:30	73.1	↑1.3
10/1 12:40	74.8	↑1.7
10/1 12:50	76.7	↑1.9
10/1 13:00	78.9	↑2.2
10/1 13:10	81.3	↑2.4
10/1 13:20	83.9	↑2.6
10/1 13:30	86.8	↑2.9
10/1 13:40	89.9	↑3.1
10/1 13:50	93.1	↑3.2
10/1 14:00	96.5	↑3.4
10/1 14:10	100.0	↑3.5
10/1 14:20	103.6	↑3.6
10/1 14:30	107.3	↑3.7
10/1 14:40	111.0	↑3.7
10/1 14:50	114.6	↑3.6
10/1 15:00	118.3	↑3.7
10/1 15:10	121.9	↑3.6
10/1 15:20	125.3	↑3.4
10/1 15:30	128.6	↑3.3
10/1 15:40	131.8	↑3.2
10/1 15:50	134.8	↑3.0
10/1 16:00	137.5	↑2.7
10/1 16:10	140.1	↑2.6
10/1 16:20	142.3	↑2.2
10/1 16:30	144.3	↑2.0
10/1 16:40	146.0	↑1.7
10/1 16:50	147.4	↑1.4
10/1 17:00	148.5	↑1.1
10/1 17:10	149.3	↑0.8
10/1 17:20	149.8	↑0.5	満潮
10/1 17:30	149.9	↑0.1	満潮
10/1 17:40	149.7	↓-0.2
10/1 17:50	149.1	↓-0.6
10/1 18:00	148.3	↓-0.8
10/1 18:10	147.0	↓-1.3
10/1 18:20	145.5	↓-1.5
10/1 18:30	143.6	↓-1.9
10/1 18:40	141.4	↓-2.2
10/1 18:50	138.9	↓-2.5
10/1 19:00	136.1	↓-2.8
10/1 19:10	132.9	↓-3.2
10/1 19:20	129.5	↓-3.4
10/1 19:30	125.9	↓-3.6
10/1 19:40	122.0	↓-3.9
10/1 19:50	117.9	↓-4.1
10/1 20:00	113.5	↓-4.4
10/1 20:10	109.1	↓-4.4
10/1 20:20	104.4	↓-4.7
10/1 20:30	99.7	↓-4.7
10/1 20:40	94.9	↓-4.8
10/1 20:50	90.0	↓-4.9	最大潮位差
10/1 21:00	85.2	↓-4.8
10/1 21:10	80.3	↓-4.9	最大潮位差
10/1 21:20	75.6	↓-4.7
10/1 21:30	70.9	↓-4.7
10/1 21:40	66.3	↓-4.6
10/1 21:50	61.9	↓-4.4
10/1 22:00	57.7	↓-4.2
10/1 22:10	53.7	↓-4.0
10/1 22:20	49.9	↓-3.8
10/1 22:30	46.3	↓-3.6
10/1 22:40	43.1	↓-3.2
10/1 22:50	40.1	↓-3.0
10/1 23:00	37.4	↓-2.7
10/1 23:10	35.1	↓-2.3
10/1 23:20	33.0	↓-2.1
10/1 23:30	31.3	↓-1.7
10/1 23:40	30.0	↓-1.3
10/1 23:50	29.0	↓-1.0