14 (金)	07:28	01:17	21:08	14:35
	126cm	56cm	88cm	32cm
小潮 出 06:28 入 17:18 出 - 入 09:49 潮干狩り ○ 13:54～15:16

日立（茨城）2031年02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
2/14 00:00	61.3	↓-1.5
2/14 00:10	60.0	↓-1.3
2/14 00:20	58.9	↓-1.1
2/14 00:30	57.9	↓-1.0
2/14 00:40	57.1	↓-0.8
2/14 00:50	56.5	↓-0.6
2/14 01:00	56.1	↓-0.4
2/14 01:10	55.8	↓-0.3	干潮
2/14 01:20	55.8	0
2/14 01:30	56.0	↑0.2
2/14 01:40	56.4	↑0.4
2/14 01:50	57.0	↑0.6
2/14 02:00	57.9	↑0.9
2/14 02:10	58.9	↑1.0
2/14 02:20	60.2	↑1.3
2/14 02:30	61.6	↑1.4
2/14 02:40	63.3	↑1.7
2/14 02:50	65.1	↑1.8
2/14 03:00	67.2	↑2.1
2/14 03:10	69.4	↑2.2
2/14 03:20	71.8	↑2.4
2/14 03:30	74.3	↑2.5
2/14 03:40	77.0	↑2.7
2/14 03:50	79.8	↑2.8
2/14 04:00	82.6	↑2.8
2/14 04:10	85.5	↑2.9
2/14 04:20	88.5	↑3.0
2/14 04:30	91.5	↑3.0
2/14 04:40	94.5	↑3.0
2/14 04:50	97.5	↑3.0
2/14 05:00	100.4	↑2.9
2/14 05:10	103.3	↑2.9
2/14 05:20	106.1	↑2.8
2/14 05:30	108.7	↑2.6
2/14 05:40	111.2	↑2.5
2/14 05:50	113.6	↑2.4
2/14 06:00	115.7	↑2.1
2/14 06:10	117.7	↑2.0
2/14 06:20	119.5	↑1.8
2/14 06:30	121.1	↑1.6
2/14 06:40	122.4	↑1.3
2/14 06:50	123.5	↑1.1
2/14 07:00	124.3	↑0.8
2/14 07:10	124.9	↑0.6
2/14 07:20	125.2	↑0.3	満潮
2/14 07:30	125.3	↑0.1
2/14 07:40	125.1	↓-0.2
2/14 07:50	124.6	↓-0.5
2/14 08:00	123.9	↓-0.7
2/14 08:10	122.9	↓-1.0
2/14 08:20	121.6	↓-1.3
2/14 08:30	120.1	↓-1.5
2/14 08:40	118.4	↓-1.7
2/14 08:50	116.4	↓-2.0
2/14 09:00	114.2	↓-2.2
2/14 09:10	111.8	↓-2.4
2/14 09:20	109.1	↓-2.7
2/14 09:30	106.3	↓-2.8
2/14 09:40	103.4	↓-2.9
2/14 09:50	100.3	↓-3.1
2/14 10:00	97.0	↓-3.3
2/14 10:10	93.7	↓-3.3
2/14 10:20	90.3	↓-3.4
2/14 10:30	86.8	↓-3.5
2/14 10:40	83.3	↓-3.5
2/14 10:50	79.7	↓-3.6	最大潮位差
2/14 11:00	76.2	↓-3.5
2/14 11:10	72.7	↓-3.5
2/14 11:20	69.2	↓-3.5
2/14 11:30	65.9	↓-3.3
2/14 11:40	62.5	↓-3.4
2/14 11:50	59.3	↓-3.2
2/14 12:00	56.2	↓-3.1
2/14 12:10	53.3	↓-2.9
2/14 12:20	50.5	↓-2.8
2/14 12:30	47.8	↓-2.7
2/14 12:40	45.3	↓-2.5
2/14 12:50	43.0	↓-2.3
2/14 13:00	40.9	↓-2.1
2/14 13:10	39.0	↓-1.9
2/14 13:20	37.2	↓-1.8
2/14 13:30	35.7	↓-1.5
2/14 13:40	34.4	↓-1.3
2/14 13:50	33.3	↓-1.1
2/14 14:00	32.5	↓-0.8
2/14 14:10	31.8	↓-0.7
2/14 14:20	31.4	↓-0.4
2/14 14:30	31.2	↓-0.2	干潮
2/14 14:40	31.2	0
2/14 14:50	31.4	↑0.2
2/14 15:00	31.9	↑0.5
2/14 15:10	32.5	↑0.6
2/14 15:20	33.4	↑0.9
2/14 15:30	34.5	↑1.1
2/14 15:40	35.7	↑1.2
2/14 15:50	37.1	↑1.4
2/14 16:00	38.7	↑1.6
2/14 16:10	40.4	↑1.7
2/14 16:20	42.2	↑1.8
2/14 16:30	44.2	↑2.0
2/14 16:40	46.3	↑2.1
2/14 16:50	48.4	↑2.1
2/14 17:00	50.6	↑2.2
2/14 17:10	52.9	↑2.3
2/14 17:20	55.1	↑2.2
2/14 17:30	57.4	↑2.3
2/14 17:40	59.7	↑2.3
2/14 17:50	62.0	↑2.3
2/14 18:00	64.2	↑2.2
2/14 18:10	66.4	↑2.2
2/14 18:20	68.5	↑2.1
2/14 18:30	70.6	↑2.1
2/14 18:40	72.5	↑1.9
2/14 18:50	74.4	↑1.9
2/14 19:00	76.2	↑1.8
2/14 19:10	77.9	↑1.7
2/14 19:20	79.4	↑1.5
2/14 19:30	80.9	↑1.5
2/14 19:40	82.2	↑1.3
2/14 19:50	83.4	↑1.2
2/14 20:00	84.4	↑1.0
2/14 20:10	85.3	↑0.9
2/14 20:20	86.1	↑0.8
2/14 20:30	86.7	↑0.6
2/14 20:40	87.1	↑0.4
2/14 20:50	87.4	↑0.3
2/14 21:00	87.6	↑0.2	満潮
2/14 21:10	87.6	0
2/14 21:20	87.5	↓-0.1
2/14 21:30	87.3	↓-0.2
2/14 21:40	86.9	↓-0.4
2/14 21:50	86.4	↓-0.5
2/14 22:00	85.8	↓-0.6
2/14 22:10	85.1	↓-0.7
2/14 22:20	84.3	↓-0.8
2/14 22:30	83.5	↓-0.8
2/14 22:40	82.5	↓-1.0
2/14 22:50	81.5	↓-1.0
2/14 23:00	80.5	↓-1.0
2/14 23:10	79.4	↓-1.1
2/14 23:20	78.4	↓-1.0
2/14 23:30	77.3	↓-1.1
2/14 23:40	76.3	↓-1.0
2/14 23:50	75.2	↓-1.1