7 (金)	07:01	11:35	16:43	-
	131cm	99cm	146cm	-
中潮 出 06:36 入 16:24 出 09:39 入 19:15

日立（茨城）2040年12月7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
12/7 00:00	-6.0	↑0.8
12/7 00:10	-4.8	↑1.2
12/7 00:20	-3.3	↑1.5
12/7 00:30	-1.4	↑1.9
12/7 00:40	0.9	↑2.3
12/7 00:50	3.5	↑2.6
12/7 01:00	6.4	↑2.9
12/7 01:10	9.7	↑3.3
12/7 01:20	13.2	↑3.5
12/7 01:30	17.0	↑3.8
12/7 01:40	21.0	↑4.0
12/7 01:50	25.3	↑4.3
12/7 02:00	29.7	↑4.4
12/7 02:10	34.4	↑4.7
12/7 02:20	39.1	↑4.7
12/7 02:30	44.0	↑4.9
12/7 02:40	48.9	↑4.9
12/7 02:50	53.9	↑5.0
12/7 03:00	58.9	↑5.0
12/7 03:10	63.9	↑5.0
12/7 03:20	68.8	↑4.9
12/7 03:30	73.6	↑4.8
12/7 03:40	78.4	↑4.8
12/7 03:50	83.1	↑4.7
12/7 04:00	87.6	↑4.5
12/7 04:10	91.9	↑4.3
12/7 04:20	96.1	↑4.2
12/7 04:30	100.1	↑4.0
12/7 04:40	103.9	↑3.8
12/7 04:50	107.5	↑3.6
12/7 05:00	110.8	↑3.3
12/7 05:10	113.9	↑3.1
12/7 05:20	116.8	↑2.9
12/7 05:30	119.4	↑2.6
12/7 05:40	121.7	↑2.3
12/7 05:50	123.8	↑2.1
12/7 06:00	125.6	↑1.8
12/7 06:10	127.1	↑1.5
12/7 06:20	128.4	↑1.3
12/7 06:30	129.4	↑1.0
12/7 06:40	130.0	↑0.6
12/7 06:50	130.5	↑0.5
12/7 07:00	130.6	↑0.1	満潮
12/7 07:10	130.5	↓-0.1
12/7 07:20	130.1	↓-0.4
12/7 07:30	129.5	↓-0.6
12/7 07:40	128.7	↓-0.8
12/7 07:50	127.6	↓-1.1
12/7 08:00	126.4	↓-1.2
12/7 08:10	125.0	↓-1.4
12/7 08:20	123.5	↓-1.5
12/7 08:30	121.9	↓-1.6
12/7 08:40	120.1	↓-1.8
12/7 08:50	118.3	↓-1.8
12/7 09:00	116.5	↓-1.8
12/7 09:10	114.6	↓-1.9
12/7 09:20	112.8	↓-1.8
12/7 09:30	111.0	↓-1.8
12/7 09:40	109.3	↓-1.7
12/7 09:50	107.6	↓-1.7
12/7 10:00	106.0	↓-1.6
12/7 10:10	104.5	↓-1.5
12/7 10:20	103.2	↓-1.3
12/7 10:30	102.0	↓-1.2
12/7 10:40	100.9	↓-1.1
12/7 10:50	100.0	↓-0.9
12/7 11:00	99.3	↓-0.7
12/7 11:10	98.8	↓-0.5
12/7 11:20	98.4	↓-0.4
12/7 11:30	98.2	↓-0.2	干潮
12/7 11:40	98.3	↑0.1
12/7 11:50	98.5	↑0.2
12/7 12:00	98.9	↑0.4
12/7 12:10	99.5	↑0.6
12/7 12:20	100.4	↑0.9
12/7 12:30	101.4	↑1.0
12/7 12:40	102.6	↑1.2
12/7 12:50	104.0	↑1.4
12/7 13:00	105.6	↑1.6
12/7 13:10	107.4	↑1.8
12/7 13:20	109.3	↑1.9
12/7 13:30	111.3	↑2.0
12/7 13:40	113.5	↑2.2
12/7 13:50	115.8	↑2.3
12/7 14:00	118.1	↑2.3
12/7 14:10	120.6	↑2.5
12/7 14:20	123.0	↑2.4
12/7 14:30	125.5	↑2.5
12/7 14:40	127.9	↑2.4
12/7 14:50	130.3	↑2.4
12/7 15:00	132.6	↑2.3
12/7 15:10	134.8	↑2.2
12/7 15:20	136.8	↑2.0
12/7 15:30	138.7	↑1.9
12/7 15:40	140.4	↑1.7
12/7 15:50	141.9	↑1.5
12/7 16:00	143.2	↑1.3
12/7 16:10	144.2	↑1.0
12/7 16:20	144.9	↑0.7
12/7 16:30	145.4	↑0.5
12/7 16:40	145.6	↑0.2	満潮
12/7 16:50	145.5	↓-0.1
12/7 17:00	145.1	↓-0.4
12/7 17:10	144.4	↓-0.7
12/7 17:20	143.4	↓-1.0
12/7 17:30	142.1	↓-1.3
12/7 17:40	140.4	↓-1.7
12/7 17:50	138.5	↓-1.9
12/7 18:00	136.3	↓-2.2
12/7 18:10	133.7	↓-2.6
12/7 18:20	130.9	↓-2.8
12/7 18:30	127.8	↓-3.1
12/7 18:40	124.4	↓-3.4
12/7 18:50	120.8	↓-3.6
12/7 19:00	116.8	↓-4.0
12/7 19:10	112.7	↓-4.1
12/7 19:20	108.4	↓-4.3
12/7 19:30	103.8	↓-4.6
12/7 19:40	99.1	↓-4.7
12/7 19:50	94.2	↓-4.9
12/7 20:00	89.1	↓-5.1
12/7 20:10	84.0	↓-5.1
12/7 20:20	78.8	↓-5.2
12/7 20:30	73.5	↓-5.3	最大潮位差
12/7 20:40	68.2	↓-5.3	最大潮位差
12/7 20:50	63.0	↓-5.2
12/7 21:00	57.8	↓-5.2
12/7 21:10	52.6	↓-5.2
12/7 21:20	47.6	↓-5.0
12/7 21:30	42.6	↓-5.0
12/7 21:40	37.9	↓-4.7
12/7 21:50	33.3	↓-4.6
12/7 22:00	28.9	↓-4.4
12/7 22:10	24.8	↓-4.1
12/7 22:20	20.9	↓-3.9
12/7 22:30	17.3	↓-3.6
12/7 22:40	13.9	↓-3.4
12/7 22:50	10.9	↓-3.0
12/7 23:00	8.1	↓-2.8
12/7 23:10	5.7	↓-2.4
12/7 23:20	3.6	↓-2.1
12/7 23:30	1.8	↓-1.8
12/7 23:40	0.3	↓-1.5
12/7 23:50	-0.8	↓-1.1