6 (金)	13:28	04:18	21:02	15:30
	115cm	48cm	131cm	114cm
小潮 出 05:13 入 18:00 出 13:50 入 23:55

日立（茨城）2030年09月6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
9/6 00:00	93.0	↓-2.9	最大潮位差
9/6 00:10	90.2	↓-2.8
9/6 00:20	87.4	↓-2.8
9/6 00:30	84.6	↓-2.8
9/6 00:40	81.8	↓-2.8
9/6 00:50	79.1	↓-2.7
9/6 01:00	76.5	↓-2.6
9/6 01:10	73.9	↓-2.6
9/6 01:20	71.4	↓-2.5
9/6 01:30	69.0	↓-2.4
9/6 01:40	66.7	↓-2.3
9/6 01:50	64.4	↓-2.3
9/6 02:00	62.3	↓-2.1
9/6 02:10	60.3	↓-2.0
9/6 02:20	58.4	↓-1.9
9/6 02:30	56.6	↓-1.8
9/6 02:40	55.0	↓-1.6
9/6 02:50	53.5	↓-1.5
9/6 03:00	52.1	↓-1.4
9/6 03:10	50.9	↓-1.2
9/6 03:20	49.9	↓-1.0
9/6 03:30	49.0	↓-0.9
9/6 03:40	48.3	↓-0.7
9/6 03:50	47.8	↓-0.5
9/6 04:00	47.4	↓-0.4
9/6 04:10	47.2	↓-0.2	干潮
9/6 04:20	47.2	0
9/6 04:30	47.3	↑0.1
9/6 04:40	47.6	↑0.3
9/6 04:50	48.0	↑0.4
9/6 05:00	48.6	↑0.6
9/6 05:10	49.4	↑0.8
9/6 05:20	50.2	↑0.8
9/6 05:30	51.2	↑1.0
9/6 05:40	52.4	↑1.2
9/6 05:50	53.6	↑1.2
9/6 06:00	54.9	↑1.3
9/6 06:10	56.4	↑1.5
9/6 06:20	57.9	↑1.5
9/6 06:30	59.5	↑1.6
9/6 06:40	61.2	↑1.7
9/6 06:50	63.0	↑1.8
9/6 07:00	64.8	↑1.8
9/6 07:10	66.7	↑1.9
9/6 07:20	68.7	↑2.0
9/6 07:30	70.6	↑1.9
9/6 07:40	72.7	↑2.1
9/6 07:50	74.7	↑2.0
9/6 08:00	76.8	↑2.1
9/6 08:10	78.8	↑2.0
9/6 08:20	80.9	↑2.1
9/6 08:30	82.9	↑2.0
9/6 08:40	85.0	↑2.1
9/6 08:50	87.0	↑2.0
9/6 09:00	89.0	↑2.0
9/6 09:10	90.9	↑1.9
9/6 09:20	92.8	↑1.9
9/6 09:30	94.6	↑1.8
9/6 09:40	96.4	↑1.8
9/6 09:50	98.0	↑1.6
9/6 10:00	99.7	↑1.7
9/6 10:10	101.2	↑1.5
9/6 10:20	102.6	↑1.4
9/6 10:30	104.0	↑1.4
9/6 10:40	105.2	↑1.2
9/6 10:50	106.4	↑1.2
9/6 11:00	107.5	↑1.1
9/6 11:10	108.5	↑1.0
9/6 11:20	109.4	↑0.9
9/6 11:30	110.3	↑0.9
9/6 11:40	111.0	↑0.7
9/6 11:50	111.7	↑0.7
9/6 12:00	112.3	↑0.6
9/6 12:10	112.8	↑0.5
9/6 12:20	113.2	↑0.4
9/6 12:30	113.6	↑0.4
9/6 12:40	113.9	↑0.3
9/6 12:50	114.1	↑0.2
9/6 13:00	114.3	↑0.2
9/6 13:10	114.4	↑0.1
9/6 13:20	114.5	↑0.1	満潮
9/6 13:30	114.5	0
9/6 13:40	114.5	0
9/6 13:50	114.4	↓-0.1
9/6 14:00	114.3	↓-0.1
9/6 14:10	114.2	↓-0.1
9/6 14:20	114.0	↓-0.2
9/6 14:30	113.9	↓-0.1
9/6 14:40	113.7	↓-0.2
9/6 14:50	113.5	↓-0.2
9/6 15:00	113.4	↓-0.1
9/6 15:10	113.3	↓-0.1
9/6 15:20	113.3	0	干潮
9/6 15:30	113.2	↓-0.1	干潮
9/6 15:40	113.3	↑0.1
9/6 15:50	113.4	↑0.1
9/6 16:00	113.5	↑0.1
9/6 16:10	113.7	↑0.2
9/6 16:20	114.0	↑0.3
9/6 16:30	114.3	↑0.3
9/6 16:40	114.7	↑0.4
9/6 16:50	115.2	↑0.5
9/6 17:00	115.8	↑0.6
9/6 17:10	116.3	↑0.5
9/6 17:20	117.0	↑0.7
9/6 17:30	117.7	↑0.7
9/6 17:40	118.4	↑0.7
9/6 17:50	119.2	↑0.8
9/6 18:00	120.0	↑0.8
9/6 18:10	120.8	↑0.8
9/6 18:20	121.6	↑0.8
9/6 18:30	122.4	↑0.8
9/6 18:40	123.2	↑0.8
9/6 18:50	124.0	↑0.8
9/6 19:00	124.8	↑0.8
9/6 19:10	125.6	↑0.8
9/6 19:20	126.3	↑0.7
9/6 19:30	127.1	↑0.8
9/6 19:40	127.7	↑0.6
9/6 19:50	128.3	↑0.6
9/6 20:00	128.9	↑0.6
9/6 20:10	129.4	↑0.5
9/6 20:20	129.8	↑0.4
9/6 20:30	130.2	↑0.4
9/6 20:40	130.4	↑0.2
9/6 20:50	130.6	↑0.2
9/6 21:00	130.6	0	満潮
9/6 21:10	130.6	0
9/6 21:20	130.4	↓-0.2
9/6 21:30	130.2	↓-0.2
9/6 21:40	129.8	↓-0.4
9/6 21:50	129.2	↓-0.6
9/6 22:00	128.6	↓-0.6
9/6 22:10	127.8	↓-0.8
9/6 22:20	126.9	↓-0.9
9/6 22:30	125.9	↓-1.0
9/6 22:40	124.7	↓-1.2
9/6 22:50	123.5	↓-1.2
9/6 23:00	122.1	↓-1.4
9/6 23:10	120.6	↓-1.5
9/6 23:20	119.0	↓-1.6
9/6 23:30	117.3	↓-1.7
9/6 23:40	115.5	↓-1.8
9/6 23:50	113.6	↓-1.9