14 (土)	07:08	00:06	17:29	12:17
	127cm	15cm	129cm	86cm
中潮 出 06:41 入 16:25 出 20:21 入 09:19

日立（茨城）2030年12月14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
12/14 00:00	14.7	↓-0.3	干潮
12/14 00:10	14.7	0
12/14 00:20	15.0	↑0.3
12/14 00:30	15.6	↑0.6
12/14 00:40	16.6	↑1.0
12/14 00:50	17.9	↑1.3
12/14 01:00	19.5	↑1.6
12/14 01:10	21.4	↑1.9
12/14 01:20	23.6	↑2.2
12/14 01:30	26.1	↑2.5
12/14 01:40	28.8	↑2.7
12/14 01:50	31.9	↑3.1
12/14 02:00	35.1	↑3.2
12/14 02:10	38.6	↑3.5
12/14 02:20	42.3	↑3.7
12/14 02:30	46.2	↑3.9
12/14 02:40	50.2	↑4.0
12/14 02:50	54.3	↑4.1
12/14 03:00	58.5	↑4.2
12/14 03:10	62.8	↑4.3	最大潮位差
12/14 03:20	67.1	↑4.3	最大潮位差
12/14 03:30	71.4	↑4.3	最大潮位差
12/14 03:40	75.6	↑4.2
12/14 03:50	79.8	↑4.2
12/14 04:00	84.0	↑4.2
12/14 04:10	88.0	↑4.0
12/14 04:20	91.9	↑3.9
12/14 04:30	95.7	↑3.8
12/14 04:40	99.3	↑3.6
12/14 04:50	102.7	↑3.4
12/14 05:00	105.9	↑3.2
12/14 05:10	108.9	↑3.0
12/14 05:20	111.7	↑2.8
12/14 05:30	114.3	↑2.6
12/14 05:40	116.6	↑2.3
12/14 05:50	118.7	↑2.1
12/14 06:00	120.6	↑1.9
12/14 06:10	122.2	↑1.6
12/14 06:20	123.5	↑1.3
12/14 06:30	124.6	↑1.1
12/14 06:40	125.4	↑0.8
12/14 06:50	126.0	↑0.6
12/14 07:00	126.3	↑0.3	満潮
12/14 07:10	126.4	↑0.1
12/14 07:20	126.2	↓-0.2
12/14 07:30	125.7	↓-0.5
12/14 07:40	125.0	↓-0.7
12/14 07:50	124.1	↓-0.9
12/14 08:00	123.0	↓-1.1
12/14 08:10	121.7	↓-1.3
12/14 08:20	120.3	↓-1.4
12/14 08:30	118.6	↓-1.7
12/14 08:40	116.8	↓-1.8
12/14 08:50	115.0	↓-1.8
12/14 09:00	113.0	↓-2.0
12/14 09:10	111.0	↓-2.0
12/14 09:20	108.9	↓-2.1
12/14 09:30	106.8	↓-2.1
12/14 09:40	104.7	↓-2.1
12/14 09:50	102.6	↓-2.1
12/14 10:00	100.6	↓-2.0
12/14 10:10	98.6	↓-2.0
12/14 10:20	96.8	↓-1.8
12/14 10:30	95.0	↓-1.8
12/14 10:40	93.3	↓-1.7
12/14 10:50	91.8	↓-1.5
12/14 11:00	90.4	↓-1.4
12/14 11:10	89.2	↓-1.2
12/14 11:20	88.1	↓-1.1
12/14 11:30	87.2	↓-0.9
12/14 11:40	86.5	↓-0.7
12/14 11:50	85.9	↓-0.6
12/14 12:00	85.6	↓-0.3
12/14 12:10	85.4	↓-0.2	干潮
12/14 12:20	85.4	0
12/14 12:30	85.5	↑0.1
12/14 12:40	85.9	↑0.4
12/14 12:50	86.4	↑0.5
12/14 13:00	87.2	↑0.8
12/14 13:10	88.1	↑0.9
12/14 13:20	89.2	↑1.1
12/14 13:30	90.4	↑1.2
12/14 13:40	91.9	↑1.5
12/14 13:50	93.4	↑1.5
12/14 14:00	95.2	↑1.8
12/14 14:10	97.0	↑1.8
12/14 14:20	99.0	↑2.0
12/14 14:30	101.0	↑2.0
12/14 14:40	103.1	↑2.1
12/14 14:50	105.3	↑2.2
12/14 15:00	107.5	↑2.2
12/14 15:10	109.6	↑2.1
12/14 15:20	111.8	↑2.2
12/14 15:30	113.9	↑2.1
12/14 15:40	116.0	↑2.1
12/14 15:50	117.9	↑1.9
12/14 16:00	119.7	↑1.8
12/14 16:10	121.4	↑1.7
12/14 16:20	123.0	↑1.6
12/14 16:30	124.3	↑1.3
12/14 16:40	125.5	↑1.2
12/14 16:50	126.5	↑1.0
12/14 17:00	127.3	↑0.8
12/14 17:10	127.8	↑0.5
12/14 17:20	128.1	↑0.3	満潮
12/14 17:30	128.2	↑0.1
12/14 17:40	128.0	↓-0.2
12/14 17:50	127.6	↓-0.4
12/14 18:00	126.9	↓-0.7
12/14 18:10	126.0	↓-0.9
12/14 18:20	124.9	↓-1.1
12/14 18:30	123.5	↓-1.4
12/14 18:40	121.9	↓-1.6
12/14 18:50	120.0	↓-1.9
12/14 19:00	117.9	↓-2.1
12/14 19:10	115.5	↓-2.4
12/14 19:20	113.0	↓-2.5
12/14 19:30	110.2	↓-2.8
12/14 19:40	107.2	↓-3.0
12/14 19:50	104.1	↓-3.1
12/14 20:00	100.7	↓-3.4
12/14 20:10	97.2	↓-3.5
12/14 20:20	93.6	↓-3.6
12/14 20:30	89.8	↓-3.8
12/14 20:40	86.0	↓-3.8
12/14 20:50	82.0	↓-4.0
12/14 21:00	78.0	↓-4.0
12/14 21:10	74.0	↓-4.0
12/14 21:20	70.0	↓-4.0
12/14 21:30	66.0	↓-4.0
12/14 21:40	62.0	↓-4.0
12/14 21:50	58.1	↓-3.9
12/14 22:00	54.3	↓-3.8
12/14 22:10	50.7	↓-3.6
12/14 22:20	47.1	↓-3.6
12/14 22:30	43.8	↓-3.3
12/14 22:40	40.6	↓-3.2
12/14 22:50	37.6	↓-3.0
12/14 23:00	34.8	↓-2.8
12/14 23:10	32.3	↓-2.5
12/14 23:20	30.0	↓-2.3
12/14 23:30	27.9	↓-2.1
12/14 23:40	26.2	↓-1.7
12/14 23:50	24.7	↓-1.5