3 (水)	01:50	08:30	15:17	21:00
	125cm	45cm	134cm	79cm
中潮 出 05:35 入 17:19 出 02:16 入 16:09

日立（茨城）2040年10月3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
10/3 00:00	115.0	↑1.6
10/3 00:10	116.5	↑1.5
10/3 00:20	117.9	↑1.4
10/3 00:30	119.1	↑1.2
10/3 00:40	120.3	↑1.2
10/3 00:50	121.3	↑1.0
10/3 01:00	122.2	↑0.9
10/3 01:10	123.0	↑0.8
10/3 01:20	123.6	↑0.6
10/3 01:30	124.0	↑0.4
10/3 01:40	124.3	↑0.3	満潮
10/3 01:50	124.4	↑0.1	満潮
10/3 02:00	124.3	↓-0.1
10/3 02:10	124.0	↓-0.3
10/3 02:20	123.5	↓-0.5
10/3 02:30	122.7	↓-0.8
10/3 02:40	121.8	↓-0.9
10/3 02:50	120.7	↓-1.1
10/3 03:00	119.3	↓-1.4
10/3 03:10	117.7	↓-1.6
10/3 03:20	115.9	↓-1.8
10/3 03:30	113.9	↓-2.0
10/3 03:40	111.7	↓-2.2
10/3 03:50	109.3	↓-2.4
10/3 04:00	106.7	↓-2.6
10/3 04:10	104.0	↓-2.7
10/3 04:20	101.1	↓-2.9
10/3 04:30	98.1	↓-3.0
10/3 04:40	95.0	↓-3.1
10/3 04:50	91.8	↓-3.2
10/3 05:00	88.6	↓-3.2
10/3 05:10	85.3	↓-3.3
10/3 05:20	82.1	↓-3.2
10/3 05:30	78.8	↓-3.3
10/3 05:40	75.6	↓-3.2
10/3 05:50	72.5	↓-3.1
10/3 06:00	69.4	↓-3.1
10/3 06:10	66.5	↓-2.9
10/3 06:20	63.6	↓-2.9
10/3 06:30	60.9	↓-2.7
10/3 06:40	58.4	↓-2.5
10/3 06:50	56.0	↓-2.4
10/3 07:00	53.8	↓-2.2
10/3 07:10	51.8	↓-2.0
10/3 07:20	50.0	↓-1.8
10/3 07:30	48.5	↓-1.5
10/3 07:40	47.1	↓-1.4
10/3 07:50	46.0	↓-1.1
10/3 08:00	45.1	↓-0.9
10/3 08:10	44.5	↓-0.6
10/3 08:20	44.1	↓-0.4	干潮
10/3 08:30	44.0	↓-0.1	干潮
10/3 08:40	44.2	↑0.2
10/3 08:50	44.6	↑0.4
10/3 09:00	45.3	↑0.7
10/3 09:10	46.3	↑1.0
10/3 09:20	47.5	↑1.2
10/3 09:30	49.0	↑1.5
10/3 09:40	50.8	↑1.8
10/3 09:50	52.7	↑1.9
10/3 10:00	55.0	↑2.3
10/3 10:10	57.4	↑2.4
10/3 10:20	60.0	↑2.6
10/3 10:30	62.9	↑2.9
10/3 10:40	65.8	↑2.9
10/3 10:50	69.0	↑3.2
10/3 11:00	72.2	↑3.2
10/3 11:10	75.5	↑3.3
10/3 11:20	78.9	↑3.4
10/3 11:30	82.4	↑3.5	最大潮位差
10/3 11:40	85.8	↑3.4
10/3 11:50	89.3	↑3.5	最大潮位差
10/3 12:00	92.7	↑3.4
10/3 12:10	96.1	↑3.4
10/3 12:20	99.5	↑3.4
10/3 12:30	102.7	↑3.2
10/3 12:40	105.9	↑3.2
10/3 12:50	108.9	↑3.0
10/3 13:00	111.9	↑3.0
10/3 13:10	114.7	↑2.8
10/3 13:20	117.3	↑2.6
10/3 13:30	119.8	↑2.5
10/3 13:40	122.0	↑2.2
10/3 13:50	124.2	↑2.2
10/3 14:00	126.1	↑1.9
10/3 14:10	127.8	↑1.7
10/3 14:20	129.3	↑1.5
10/3 14:30	130.5	↑1.2
10/3 14:40	131.5	↑1.0
10/3 14:50	132.3	↑0.8
10/3 15:00	132.9	↑0.6
10/3 15:10	133.1	↑0.2	満潮
10/3 15:20	133.2	↑0.1
10/3 15:30	133.0	↓-0.2
10/3 15:40	132.5	↓-0.5
10/3 15:50	131.8	↓-0.7
10/3 16:00	130.8	↓-1.0
10/3 16:10	129.6	↓-1.2
10/3 16:20	128.2	↓-1.4
10/3 16:30	126.6	↓-1.6
10/3 16:40	124.8	↓-1.8
10/3 16:50	122.9	↓-1.9
10/3 17:00	120.8	↓-2.1
10/3 17:10	118.6	↓-2.2
10/3 17:20	116.3	↓-2.3
10/3 17:30	113.9	↓-2.4
10/3 17:40	111.4	↓-2.5
10/3 17:50	109.0	↓-2.4
10/3 18:00	106.5	↓-2.5
10/3 18:10	104.0	↓-2.5
10/3 18:20	101.6	↓-2.4
10/3 18:30	99.2	↓-2.4
10/3 18:40	96.8	↓-2.4
10/3 18:50	94.6	↓-2.2
10/3 19:00	92.5	↓-2.1
10/3 19:10	90.5	↓-2.0
10/3 19:20	88.6	↓-1.9
10/3 19:30	86.8	↓-1.8
10/3 19:40	85.2	↓-1.6
10/3 19:50	83.7	↓-1.5
10/3 20:00	82.4	↓-1.3
10/3 20:10	81.3	↓-1.1
10/3 20:20	80.4	↓-0.9
10/3 20:30	79.7	↓-0.7
10/3 20:40	79.2	↓-0.5
10/3 20:50	78.9	↓-0.3	干潮
10/3 21:00	78.8	↓-0.1	干潮
10/3 21:10	78.9	↑0.1
10/3 21:20	79.3	↑0.4
10/3 21:30	79.9	↑0.6
10/3 21:40	80.7	↑0.8
10/3 21:50	81.7	↑1.0
10/3 22:00	82.9	↑1.2
10/3 22:10	84.4	↑1.5
10/3 22:20	86.0	↑1.6
10/3 22:30	87.9	↑1.9
10/3 22:40	89.8	↑1.9
10/3 22:50	92.0	↑2.2
10/3 23:00	94.2	↑2.2
10/3 23:10	96.6	↑2.4
10/3 23:20	99.0	↑2.4
10/3 23:30	101.5	↑2.5
10/3 23:40	104.1	↑2.6
10/3 23:50	106.6	↑2.5