7 (月)	06:37	11:56	17:24	-
	125cm	66cm	132cm	-
中潮 出 06:50 入 16:39 出 08:39 入 20:09

日立（茨城）2030年01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
1/7 00:00	0.6	↑0.4
1/7 00:10	1.3	↑0.7
1/7 00:20	2.5	↑1.2
1/7 00:30	4.0	↑1.5
1/7 00:40	5.9	↑1.9
1/7 00:50	8.1	↑2.2
1/7 01:00	10.7	↑2.6
1/7 01:10	13.7	↑3.0
1/7 01:20	16.9	↑3.2
1/7 01:30	20.4	↑3.5
1/7 01:40	24.2	↑3.8
1/7 01:50	28.2	↑4.0
1/7 02:00	32.4	↑4.2
1/7 02:10	36.8	↑4.4
1/7 02:20	41.3	↑4.5
1/7 02:30	46.0	↑4.7
1/7 02:40	50.7	↑4.7
1/7 02:50	55.5	↑4.8	最大潮位差
1/7 03:00	60.3	↑4.8	最大潮位差
1/7 03:10	65.1	↑4.8	最大潮位差
1/7 03:20	69.8	↑4.7
1/7 03:30	74.5	↑4.7
1/7 03:40	79.1	↑4.6
1/7 03:50	83.5	↑4.4
1/7 04:00	87.9	↑4.4
1/7 04:10	92.0	↑4.1
1/7 04:20	96.0	↑4.0
1/7 04:30	99.8	↑3.8
1/7 04:40	103.4	↑3.6
1/7 04:50	106.8	↑3.4
1/7 05:00	109.9	↑3.1
1/7 05:10	112.7	↑2.8
1/7 05:20	115.3	↑2.6
1/7 05:30	117.6	↑2.3
1/7 05:40	119.6	↑2.0
1/7 05:50	121.2	↑1.6
1/7 06:00	122.6	↑1.4
1/7 06:10	123.6	↑1.0
1/7 06:20	124.3	↑0.7
1/7 06:30	124.7	↑0.4	満潮
1/7 06:40	124.7	0
1/7 06:50	124.4	↓-0.3
1/7 07:00	123.8	↓-0.6
1/7 07:10	122.9	↓-0.9
1/7 07:20	121.7	↓-1.2
1/7 07:30	120.2	↓-1.5
1/7 07:40	118.5	↓-1.7
1/7 07:50	116.5	↓-2.0
1/7 08:00	114.3	↓-2.2
1/7 08:10	112.0	↓-2.3
1/7 08:20	109.4	↓-2.6
1/7 08:30	106.8	↓-2.6
1/7 08:40	104.0	↓-2.8
1/7 08:50	101.2	↓-2.8
1/7 09:00	98.3	↓-2.9
1/7 09:10	95.4	↓-2.9
1/7 09:20	92.6	↓-2.8
1/7 09:30	89.7	↓-2.9
1/7 09:40	87.0	↓-2.7
1/7 09:50	84.3	↓-2.7
1/7 10:00	81.7	↓-2.6
1/7 10:10	79.3	↓-2.4
1/7 10:20	77.0	↓-2.3
1/7 10:30	74.9	↓-2.1
1/7 10:40	73.0	↓-1.9
1/7 10:50	71.3	↓-1.7
1/7 11:00	69.8	↓-1.5
1/7 11:10	68.5	↓-1.3
1/7 11:20	67.4	↓-1.1
1/7 11:30	66.6	↓-0.8
1/7 11:40	66.1	↓-0.5
1/7 11:50	65.8	↓-0.3	干潮
1/7 12:00	65.8	0
1/7 12:10	66.1	↑0.3
1/7 12:20	66.6	↑0.5
1/7 12:30	67.5	↑0.9
1/7 12:40	68.6	↑1.1
1/7 12:50	70.0	↑1.4
1/7 13:00	71.6	↑1.6
1/7 13:10	73.5	↑1.9
1/7 13:20	75.6	↑2.1
1/7 13:30	78.0	↑2.4
1/7 13:40	80.6	↑2.6
1/7 13:50	83.3	↑2.7
1/7 14:00	86.2	↑2.9
1/7 14:10	89.2	↑3.0
1/7 14:20	92.3	↑3.1
1/7 14:30	95.4	↑3.1
1/7 14:40	98.6	↑3.2
1/7 14:50	101.8	↑3.2
1/7 15:00	104.9	↑3.1
1/7 15:10	108.0	↑3.1
1/7 15:20	111.0	↑3.0
1/7 15:30	113.9	↑2.9
1/7 15:40	116.6	↑2.7
1/7 15:50	119.2	↑2.6
1/7 16:00	121.5	↑2.3
1/7 16:10	123.7	↑2.2
1/7 16:20	125.6	↑1.9
1/7 16:30	127.3	↑1.7
1/7 16:40	128.7	↑1.4
1/7 16:50	129.8	↑1.1
1/7 17:00	130.6	↑0.8
1/7 17:10	131.2	↑0.6
1/7 17:20	131.5	↑0.3	満潮
1/7 17:30	131.4	↓-0.1
1/7 17:40	131.1	↓-0.3
1/7 17:50	130.4	↓-0.7
1/7 18:00	129.4	↓-1.0
1/7 18:10	128.1	↓-1.3
1/7 18:20	126.4	↓-1.7
1/7 18:30	124.5	↓-1.9
1/7 18:40	122.2	↓-2.3
1/7 18:50	119.7	↓-2.5
1/7 19:00	116.8	↓-2.9
1/7 19:10	113.7	↓-3.1
1/7 19:20	110.3	↓-3.4
1/7 19:30	106.6	↓-3.7
1/7 19:40	102.8	↓-3.8
1/7 19:50	98.7	↓-4.1
1/7 20:00	94.5	↓-4.2
1/7 20:10	90.1	↓-4.4
1/7 20:20	85.6	↓-4.5
1/7 20:30	81.0	↓-4.6
1/7 20:40	76.3	↓-4.7
1/7 20:50	71.7	↓-4.6
1/7 21:00	67.0	↓-4.7
1/7 21:10	62.3	↓-4.7
1/7 21:20	57.8	↓-4.5
1/7 21:30	53.3	↓-4.5
1/7 21:40	48.9	↓-4.4
1/7 21:50	44.7	↓-4.2
1/7 22:00	40.7	↓-4.0
1/7 22:10	36.8	↓-3.9
1/7 22:20	33.2	↓-3.6
1/7 22:30	29.8	↓-3.4
1/7 22:40	26.6	↓-3.2
1/7 22:50	23.7	↓-2.9
1/7 23:00	21.1	↓-2.6
1/7 23:10	18.8	↓-2.3
1/7 23:20	16.7	↓-2.1
1/7 23:30	15.0	↓-1.7
1/7 23:40	13.6	↓-1.4
1/7 23:50	12.5	↓-1.1