11 (火)	01:33	07:05	13:15	20:00
	114cm	73cm	128cm	53cm
中潮 出 06:10 入 16:34 出 02:09 入 14:07

日立（茨城）2031年11月11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
11/11 00:00	107.4	↑1.4
11/11 00:10	108.6	↑1.2
11/11 00:20	109.8	↑1.2
11/11 00:30	110.8	↑1.0
11/11 00:40	111.7	↑0.9
11/11 00:50	112.4	↑0.7
11/11 01:00	113.0	↑0.6
11/11 01:10	113.4	↑0.4
11/11 01:20	113.7	↑0.3
11/11 01:30	113.8	↑0.1	満潮
11/11 01:40	113.8	0
11/11 01:50	113.6	↓-0.2
11/11 02:00	113.2	↓-0.4
11/11 02:10	112.6	↓-0.6
11/11 02:20	111.9	↓-0.7
11/11 02:30	111.0	↓-0.9
11/11 02:40	110.0	↓-1.0
11/11 02:50	108.8	↓-1.2
11/11 03:00	107.5	↓-1.3
11/11 03:10	106.0	↓-1.5
11/11 03:20	104.4	↓-1.6
11/11 03:30	102.7	↓-1.7
11/11 03:40	100.9	↓-1.8
11/11 03:50	99.0	↓-1.9
11/11 04:00	97.1	↓-1.9
11/11 04:10	95.1	↓-2.0
11/11 04:20	93.1	↓-2.0
11/11 04:30	91.1	↓-2.0
11/11 04:40	89.1	↓-2.0
11/11 04:50	87.2	↓-1.9
11/11 05:00	85.3	↓-1.9
11/11 05:10	83.5	↓-1.8
11/11 05:20	81.8	↓-1.7
11/11 05:30	80.2	↓-1.6
11/11 05:40	78.8	↓-1.4
11/11 05:50	77.5	↓-1.3
11/11 06:00	76.3	↓-1.2
11/11 06:10	75.3	↓-1.0
11/11 06:20	74.4	↓-0.9
11/11 06:30	73.7	↓-0.7
11/11 06:40	73.2	↓-0.5
11/11 06:50	72.9	↓-0.3
11/11 07:00	72.7	↓-0.2	干潮
11/11 07:10	72.7	0
11/11 07:20	72.9	↑0.2
11/11 07:30	73.3	↑0.4
11/11 07:40	73.8	↑0.5
11/11 07:50	74.5	↑0.7
11/11 08:00	75.4	↑0.9
11/11 08:10	76.5	↑1.1
11/11 08:20	77.7	↑1.2
11/11 08:30	79.1	↑1.4
11/11 08:40	80.6	↑1.5
11/11 08:50	82.3	↑1.7
11/11 09:00	84.1	↑1.8
11/11 09:10	86.1	↑2.0
11/11 09:20	88.1	↑2.0
11/11 09:30	90.3	↑2.2
11/11 09:40	92.5	↑2.2
11/11 09:50	94.8	↑2.3
11/11 10:00	97.2	↑2.4
11/11 10:10	99.6	↑2.4
11/11 10:20	102.0	↑2.4
11/11 10:30	104.3	↑2.3
11/11 10:40	106.7	↑2.4
11/11 10:50	108.9	↑2.2
11/11 11:00	111.2	↑2.3
11/11 11:10	113.3	↑2.1
11/11 11:20	115.3	↑2.0
11/11 11:30	117.2	↑1.9
11/11 11:40	118.9	↑1.7
11/11 11:50	120.5	↑1.6
11/11 12:00	122.0	↑1.5
11/11 12:10	123.2	↑1.2
11/11 12:20	124.3	↑1.1
11/11 12:30	125.3	↑1.0
11/11 12:40	126.0	↑0.7
11/11 12:50	126.5	↑0.5
11/11 13:00	126.9	↑0.4
11/11 13:10	127.1	↑0.2	満潮
11/11 13:20	127.0	↓-0.1
11/11 13:30	126.8	↓-0.2
11/11 13:40	126.4	↓-0.4
11/11 13:50	125.8	↓-0.6
11/11 14:00	124.9	↓-0.9
11/11 14:10	123.9	↓-1.0
11/11 14:20	122.7	↓-1.2
11/11 14:30	121.3	↓-1.4
11/11 14:40	119.7	↓-1.6
11/11 14:50	117.9	↓-1.8
11/11 15:00	116.0	↓-1.9
11/11 15:10	113.8	↓-2.2
11/11 15:20	111.5	↓-2.3
11/11 15:30	109.1	↓-2.4
11/11 15:40	106.5	↓-2.6
11/11 15:50	103.8	↓-2.7
11/11 16:00	101.0	↓-2.8
11/11 16:10	98.1	↓-2.9
11/11 16:20	95.1	↓-3.0	最大潮位差
11/11 16:30	92.1	↓-3.0	最大潮位差
11/11 16:40	89.1	↓-3.0	最大潮位差
11/11 16:50	86.1	↓-3.0	最大潮位差
11/11 17:00	83.1	↓-3.0	最大潮位差
11/11 17:10	80.2	↓-2.9
11/11 17:20	77.3	↓-2.9
11/11 17:30	74.5	↓-2.8
11/11 17:40	71.8	↓-2.7
11/11 17:50	69.3	↓-2.5
11/11 18:00	66.9	↓-2.4
11/11 18:10	64.6	↓-2.3
11/11 18:20	62.5	↓-2.1
11/11 18:30	60.6	↓-1.9
11/11 18:40	58.9	↓-1.7
11/11 18:50	57.3	↓-1.6
11/11 19:00	56.0	↓-1.3
11/11 19:10	54.8	↓-1.2
11/11 19:20	53.9	↓-0.9
11/11 19:30	53.1	↓-0.8
11/11 19:40	52.6	↓-0.5
11/11 19:50	52.3	↓-0.3	干潮
11/11 20:00	52.2	↓-0.1	干潮
11/11 20:10	52.4	↑0.2
11/11 20:20	52.8	↑0.4
11/11 20:30	53.3	↑0.5
11/11 20:40	54.2	↑0.9
11/11 20:50	55.2	↑1.0
11/11 21:00	56.5	↑1.3
11/11 21:10	57.9	↑1.4
11/11 21:20	59.6	↑1.7
11/11 21:30	61.5	↑1.9
11/11 21:40	63.6	↑2.1
11/11 21:50	65.8	↑2.2
11/11 22:00	68.2	↑2.4
11/11 22:10	70.7	↑2.5
11/11 22:20	73.4	↑2.7
11/11 22:30	76.1	↑2.7
11/11 22:40	79.0	↑2.9
11/11 22:50	81.9	↑2.9
11/11 23:00	84.8	↑2.9
11/11 23:10	87.7	↑2.9
11/11 23:20	90.6	↑2.9
11/11 23:30	93.5	↑2.9
11/11 23:40	96.3	↑2.8
11/11 23:50	99.1	↑2.8